diff options
97 files changed, 531 insertions, 280 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 790ef6fbe49..28bfea75bcf 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -171,6 +171,7 @@ prototypes: int (*releasepage) (struct page *, int); int (*direct_IO)(int, struct kiocb *, const struct iovec *iov, loff_t offset, unsigned long nr_segs); + int (*launder_page) (struct page *); locking rules: All except set_page_dirty may block @@ -188,6 +189,7 @@ bmap: yes invalidatepage: no yes releasepage: no yes direct_IO: no +launder_page: no yes ->prepare_write(), ->commit_write(), ->sync_page() and ->readpage() may be called from the request handler (/dev/loop). @@ -281,6 +283,12 @@ buffers from the page in preparation for freeing it. It returns zero to indicate that the buffers are (or may be) freeable. If ->releasepage is zero, the kernel assumes that the fs has no private interest in the buffers. + ->launder_page() may be called prior to releasing a page if +it is still found to be dirty. It returns zero if the page was successfully +cleaned, or an error value if not. Note that in order to prevent the page +getting mapped back in and redirtied, it needs to be kept locked +across the entire operation. + Note: currently almost all instances of address_space methods are using BKL for internal serialization and that's one of the worst sources of contention. Normally they are calling library functions (in fs/buffer.c) diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt index 99f2d4d4bf7..5af6676a88f 100644 --- a/Documentation/kdump/kdump.txt +++ b/Documentation/kdump/kdump.txt @@ -17,7 +17,7 @@ You can use common Linux commands, such as cp and scp, to copy the memory image to a dump file on the local disk, or across the network to a remote system. -Kdump and kexec are currently supported on the x86, x86_64, and ppc64 +Kdump and kexec are currently supported on the x86, x86_64, ppc64 and IA64 architectures. When the system kernel boots, it reserves a small section of memory for @@ -54,59 +54,64 @@ memory," in two ways: Setup and Installation ====================== -Install kexec-tools and the Kdump patch ---------------------------------------- +Install kexec-tools +------------------- 1) Login as the root user. 2) Download the kexec-tools user-space package from the following URL: - http://www.xmission.com/~ebiederm/files/kexec/kexec-tools-1.101.tar.gz +http://www.kernel.org/pub/linux/kernel/people/horms/kexec-tools/kexec-tools-testing-20061214.tar.gz -3) Unpack the tarball with the tar command, as follows: - - tar xvpzf kexec-tools-1.101.tar.gz - -4) Download the latest consolidated Kdump patch from the following URL: - - http://lse.sourceforge.net/kdump/ +Note: Latest kexec-tools-testing git tree is available at - (This location is being used until all the user-space Kdump patches - are integrated with the kexec-tools package.) +git://git.kernel.org/pub/scm/linux/kernel/git/horms/kexec-tools-testing.git +or +http://www.kernel.org/git/?p=linux/kernel/git/horms/kexec-tools-testing.git;a=summary -5) Change to the kexec-tools-1.101 directory, as follows: +3) Unpack the tarball with the tar command, as follows: - cd kexec-tools-1.101 + tar xvpzf kexec-tools-testing-20061214.tar.gz -6) Apply the consolidated patch to the kexec-tools-1.101 source tree - with the patch command, as follows. (Modify the path to the downloaded - patch as necessary.) +4) Change to the kexec-tools-1.101 directory, as follows: - patch -p1 < /path-to-kdump-patch/kexec-tools-1.101-kdump.patch + cd kexec-tools-testing-20061214 -7) Configure the package, as follows: +5) Configure the package, as follows: ./configure -8) Compile the package, as follows: +6) Compile the package, as follows: make -9) Install the package, as follows: +7) Install the package, as follows: make install -Download and build the system and dump-capture kernels ------------------------------------------------------- +Build the system and dump-capture kernels +----------------------------------------- +There are two possible methods of using Kdump. + +1) Build a separate custom dump-capture kernel for capturing the + kernel core dump. + +2) Or use the system kernel binary itself as dump-capture kernel and there is + no need to build a separate dump-capture kernel. This is possible + only with the architecutres which support a relocatable kernel. As + of today i386 and ia64 architectures support relocatable kernel. + +Building a relocatable kernel is advantageous from the point of view that +one does not have to build a second kernel for capturing the dump. But +at the same time one might want to build a custom dump capture kernel +suitable to his needs. -Download the mainline (vanilla) kernel source code (2.6.13-rc1 or newer) -from http://www.kernel.org. Two kernels must be built: a system kernel -and a dump-capture kernel. Use the following steps to configure these -kernels with the necessary kexec and Kdump features: +Following are the configuration setting required for system and +dump-capture kernels for enabling kdump support. -System kernel -------------- +System kernel config options +---------------------------- 1) Enable "kexec system call" in "Processor type and features." @@ -132,88 +137,160 @@ System kernel analysis tools require a vmlinux with debug symbols in order to read and analyze a dump file. -4) Make and install the kernel and its modules. Update the boot loader - (such as grub, yaboot, or lilo) configuration files as necessary. - -5) Boot the system kernel with the boot parameter "crashkernel=Y@X", - where Y specifies how much memory to reserve for the dump-capture kernel - and X specifies the beginning of this reserved memory. For example, - "crashkernel=64M@16M" tells the system kernel to reserve 64 MB of memory - starting at physical address 0x01000000 for the dump-capture kernel. - - On x86 and x86_64, use "crashkernel=64M@16M". +Dump-capture kernel config options (Arch Independent) +----------------------------------------------------- - On ppc64, use "crashkernel=128M@32M". +1) Enable "kernel crash dumps" support under "Processor type and + features": + CONFIG_CRASH_DUMP=y -The dump-capture kernel ------------------------ +2) Enable "/proc/vmcore support" under "Filesystems" -> "Pseudo filesystems". -1) Under "General setup," append "-kdump" to the current string in - "Local version." + CONFIG_PROC_VMCORE=y + (CONFIG_PROC_VMCORE is set by default when CONFIG_CRASH_DUMP is selected.) -2) On x86, enable high memory support under "Processor type and +Dump-capture kernel config options (Arch Dependent, i386) +-------------------------------------------------------- +1) On x86, enable high memory support under "Processor type and features": CONFIG_HIGHMEM64G=y or CONFIG_HIGHMEM4G -3) On x86 and x86_64, disable symmetric multi-processing support +2) On x86 and x86_64, disable symmetric multi-processing support under "Processor type and features": CONFIG_SMP=n + (If CONFIG_SMP=y, then specify maxcpus=1 on the kernel command line when loading the dump-capture kernel, see section "Load the Dump-capture Kernel".) -4) On ppc64, disable NUMA support and enable EMBEDDED support: +3) If one wants to build and use a relocatable kernel, + Enable "Build a relocatable kernel" support under "Processor type and + features" - CONFIG_NUMA=n - CONFIG_EMBEDDED=y - CONFIG_EEH=N for the dump-capture kernel + CONFIG_RELOCATABLE=y -5) Enable "kernel crash dumps" support under "Processor type and - features": +4) Use a suitable value for "Physical address where the kernel is + loaded" (under "Processor type and features"). This only appears when + "kernel crash dumps" is enabled. A suitable value depends upon + whether kernel is relocatable or not. + + If you are using a relocatable kernel use CONFIG_PHYSICAL_START=0x100000 + This will compile the kernel for physical address 1MB, but given the fact + kernel is relocatable, it can be run from any physical address hence + kexec boot loader will load it in memory region reserved for dump-capture + kernel. + + Otherwise it should be the start of memory region reserved for + second kernel using boot parameter "crashkernel=Y@X". Here X is + start of memory region reserved for dump-capture kernel. + Generally X is 16MB (0x1000000). So you can set + CONFIG_PHYSICAL_START=0x1000000 + +5) Make and install the kernel and its modules. DO NOT add this kernel + to the boot loader configuration files. - CONFIG_CRASH_DUMP=y +Dump-capture kernel config options (Arch Dependent, x86_64) +---------------------------------------------------------- +1) On x86 and x86_64, disable symmetric multi-processing support + under "Processor type and features": + + CONFIG_SMP=n + + (If CONFIG_SMP=y, then specify maxcpus=1 on the kernel command line + when loading the dump-capture kernel, see section "Load the Dump-capture + Kernel".) -6) Use a suitable value for "Physical address where the kernel is +2) Use a suitable value for "Physical address where the kernel is loaded" (under "Processor type and features"). This only appears when "kernel crash dumps" is enabled. By default this value is 0x1000000 (16MB). It should be the same as X in the "crashkernel=Y@X" boot - parameter discussed above. + parameter. - On x86 and x86_64, use "CONFIG_PHYSICAL_START=0x1000000". + For x86_64, normally "CONFIG_PHYSICAL_START=0x1000000". - On ppc64 the value is automatically set at 32MB when - CONFIG_CRASH_DUMP is set. - -6) Optionally enable "/proc/vmcore support" under "Filesystems" -> - "Pseudo filesystems". +3) Make and install the kernel and its modules. DO NOT add this kernel + to the boot loader configuration files. - CONFIG_PROC_VMCORE=y - (CONFIG_PROC_VMCORE is set by default when CONFIG_CRASH_DUMP is selected.) +Dump-capture kernel config options (Arch Dependent, ppc64) +---------------------------------------------------------- -7) Make and install the kernel and its modules. DO NOT add this kernel +- Make and install the kernel and its modules. DO NOT add this kernel to the boot loader configuration files. +Dump-capture kernel config options (Arch Dependent, ia64) +---------------------------------------------------------- +(To be filled) + + +Boot into System Kernel +======================= + +1) Make and install the kernel and its modules. Update the boot loader + (such as grub, yaboot, or lilo) configuration files as necessary. + +2) Boot the system kernel with the boot parameter "crashkernel=Y@X", + where Y specifies how much memory to reserve for the dump-capture kernel + and X specifies the beginning of this reserved memory. For example, + "crashkernel=64M@16M" tells the system kernel to reserve 64 MB of memory + starting at physical address 0x01000000 (16MB) for the dump-capture kernel. + + On x86 and x86_64, use "crashkernel=64M@16M". + + On ppc64, use "crashkernel=128M@32M". Load the Dump-capture Kernel ============================ -After booting to the system kernel, load the dump-capture kernel using -the following command: +After booting to the system kernel, dump-capture kernel needs to be +loaded. + +Based on the architecture and type of image (relocatable or not), one +can choose to load the uncompressed vmlinux or compressed bzImage/vmlinuz +of dump-capture kernel. Following is the summary. + +For i386: + - Use vmlinux if kernel is not relocatable. + - Use bzImage/vmlinuz if kernel is relocatable. +For x86_64: + - Use vmlinux +For ppc64: + - Use vmlinux +For ia64: + (To be filled) + +If you are using a uncompressed vmlinux image then use following command +to load dump-capture kernel. - kexec -p <dump-capture-kernel> \ + kexec -p <dump-capture-kernel-vmlinux-image> \ --initrd=<initrd-for-dump-capture-kernel> --args-linux \ - --append="root=<root-dev> init 1 irqpoll" + --append="root=<root-dev> <arch-specific-options>" +If you are using a compressed bzImage/vmlinuz, then use following command +to load dump-capture kernel. -Notes on loading the dump-capture kernel: + kexec -p <dump-capture-kernel-bzImage> \ + --initrd=<initrd-for-dump-capture-kernel> \ + --append="root=<root-dev> <arch-specific-options>" + +Following are the arch specific command line options to be used while +loading dump-capture kernel. + +For i386 and x86_64: + "init 1 irqpoll maxcpus=1" + +For ppc64: + "init 1 maxcpus=1 noirqdistrib" -* <dump-capture-kernel> must be a vmlinux image (that is, an - uncompressed ELF image). bzImage does not work at this time. +For IA64 + (To be filled) + + +Notes on loading the dump-capture kernel: * By default, the ELF headers are stored in ELF64 format to support systems with more than 4GB memory. The --elf32-core-headers option can @@ -231,6 +308,9 @@ Notes on loading the dump-capture kernel: * "init 1" boots the dump-capture kernel into single-user mode without networking. If you want networking, use "init 3." +* We generally don' have to bring up a SMP kernel just to capture the + dump. Hence generally it is useful either to build a UP dump-capture + kernel or specify maxcpus=1 option while loading dump-capture kernel. Kernel Panic ============ diff --git a/MAINTAINERS b/MAINTAINERS index 8e1d7da07ce..1b1491d64ca 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2665,6 +2665,12 @@ M: promise@pnd-pc.demon.co.uk W: http://www.pnd-pc.demon.co.uk/promise/ S: Maintained +PROMISE SATA TX2/TX4 CONTROLLER LIBATA DRIVER +P: Mikael Pettersson +M: mikpe@it.uu.se +L: linux-ide@vger.kernel.org +S: Maintained + PS3 PLATFORM SUPPORT P: Geoff Levand M: geoffrey.levand@am.sony.com @@ -368,14 +368,10 @@ endif # Detect when mixed targets is specified, and make a second invocation # of make so .config is not included in this case either (for *config). -PHONY += generated_headers - -generated_headers: include/linux/version.h include/linux/compile.h \ - include/linux/utsrelease.h - -no-dot-config-targets := generated_headers clean mrproper distclean \ +no-dot-config-targets := clean mrproper distclean \ cscope TAGS tags help %docs check% \ - headers_% kernelrelease kernelversion + include/linux/version.h headers_% \ + kernelrelease kernelversion config-targets := 0 mixed-targets := 0 @@ -738,16 +734,6 @@ debug_kallsyms: .tmp_map$(last_kallsyms) endif # ifdef CONFIG_KALLSYMS -# compile.h changes depending on hostname, generation number, etc, -# so we regenerate it always. -# mkcompile_h will make sure to only update the -# actual file if its content has changed. - -include/linux/compile.h: FORCE - @echo ' CHK $@' - $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ - "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(CFLAGS)" - # vmlinux image - including updated kernel symbols vmlinux: $(vmlinux-lds) $(vmlinux-init) $(vmlinux-main) $(kallsyms.o) FORCE ifdef CONFIG_HEADERS_CHECK @@ -866,8 +852,8 @@ endif # prepare2 creates a makefile if using a separate output directory prepare2: prepare3 outputmakefile -prepare1: prepare2 generated_headers include/asm include/config/auto.conf - +prepare1: prepare2 include/linux/version.h include/linux/utsrelease.h \ + include/asm include/config/auto.conf ifneq ($(KBUILD_MODULES),) $(Q)mkdir -p $(MODVERDIR) $(Q)rm -f $(MODVERDIR)/* @@ -936,14 +922,14 @@ export INSTALL_HDR_PATH HDRARCHES=$(filter-out generic,$(patsubst $(srctree)/include/asm-%/Kbuild,%,$(wildcard $(srctree)/include/asm-*/Kbuild))) PHONY += headers_install_all -headers_install_all: generated_headers scripts_basic FORCE +headers_install_all: include/linux/version.h scripts_basic FORCE $(Q)$(MAKE) $(build)=scripts scripts/unifdef $(Q)for arch in $(HDRARCHES); do \ $(MAKE) ARCH=$$arch -f $(srctree)/scripts/Makefile.headersinst obj=include BIASMDIR=-bi-$$arch ;\ done PHONY += headers_install -headers_install: generated_headers scripts_basic FORCE +headers_install: include/linux/version.h scripts_basic FORCE @if [ ! -r $(srctree)/include/asm-$(ARCH)/Kbuild ]; then \ echo '*** Error: Headers not exportable for this architecture ($(ARCH))'; \ exit 1 ; fi @@ -1040,7 +1026,8 @@ CLEAN_FILES += vmlinux System.map \ # Directories & files removed with 'make mrproper' MRPROPER_DIRS += include/config include2 usr/include MRPROPER_FILES += .config .config.old include/asm .version .old_version \ - include/linux/autoconf.h include/linux/utsrelease.h include/linux/version.h \ + include/linux/autoconf.h include/linux/version.h \ + include/linux/utsrelease.h \ Module.symvers tags TAGS cscope* # clean - Delete most, but leave enough to build external modules diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c index 2d0023f2d49..77e655f2656 100644 --- a/arch/cris/arch-v32/kernel/smp.c +++ b/arch/cris/arch-v32/kernel/smp.c @@ -195,7 +195,7 @@ int setup_profiling_timer(unsigned int multiplier) */ unsigned long cache_decay_ticks = 1; -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { smp_boot_one_cpu(cpu); return cpu_online(cpu) ? 0 : -ENOSYS; diff --git a/arch/i386/defconfig b/arch/i386/defconfig index 88b7c1cf65a..5d80edfc61b 100644 --- a/arch/i386/defconfig +++ b/arch/i386/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-git14 -# Sat Dec 9 21:23:14 2006 +# Linux kernel version: 2.6.20-rc3 +# Fri Jan 5 11:54:46 2007 # CONFIG_X86_32=y CONFIG_GENERIC_TIME=y @@ -1287,6 +1287,11 @@ CONFIG_USB_MON=y # # +# Virtualization +# +# CONFIG_KVM is not set + +# # File systems # CONFIG_EXT2_FS=y @@ -1471,6 +1476,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_UNUSED_SYMBOLS=y +# CONFIG_DEBUG_FS is not set +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y @@ -1489,12 +1496,10 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_HIGHMEM is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -# CONFIG_DEBUG_FS is not set # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_FORCED_INLINING is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set CONFIG_EARLY_PRINTK=y @@ -1527,6 +1532,7 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y diff --git a/arch/i386/kernel/cpu/cyrix.c b/arch/i386/kernel/cpu/cyrix.c index c0c3b59de32..abcff92f994 100644 --- a/arch/i386/kernel/cpu/cyrix.c +++ b/arch/i386/kernel/cpu/cyrix.c @@ -173,7 +173,7 @@ static void __cpuinit geode_configure(void) ccr4 = getCx86(CX86_CCR4); ccr4 |= 0x38; /* FPU fast, DTE cache, Mem bypass */ - setCx86(CX86_CCR3, ccr3); + setCx86(CX86_CCR4, ccr4); set_cx86_memwb(); set_cx86_reorder(); diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index 2ce67228dff..49bff3596bf 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -36,7 +36,7 @@ /* Have we found an MP table */ int smp_found_config; -unsigned int __initdata maxcpus = NR_CPUS; +unsigned int __cpuinitdata maxcpus = NR_CPUS; /* * Various Linux-internal data structures created from the @@ -102,9 +102,9 @@ static int __init mpf_checksum(unsigned char *mp, int len) */ static int mpc_record; -static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __initdata; +static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __cpuinitdata; -static void __devinit MP_processor_info (struct mpc_config_processor *m) +static void __cpuinit MP_processor_info (struct mpc_config_processor *m) { int ver, apicid; physid_mask_t phys_cpu; @@ -822,7 +822,7 @@ void __init mp_register_lapic_address(u64 address) Dprintk("Boot CPU = %d\n", boot_cpu_physical_apicid); } -void __devinit mp_register_lapic (u8 id, u8 enabled) +void __cpuinit mp_register_lapic (u8 id, u8 enabled) { struct mpc_config_processor processor; int boot_cpu = 0; diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index 6f6cb7b31d1..4b31ad70c1a 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -77,7 +77,7 @@ extern struct resource code_resource; extern struct resource data_resource; /* cpu data as detected by the assembly code in head.S */ -struct cpuinfo_x86 new_cpu_data __initdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; +struct cpuinfo_x86 new_cpu_data __cpuinitdata = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; /* common cpu data for all cpus */ struct cpuinfo_x86 boot_cpu_data __read_mostly = { 0, 0, 0, 0, -1, 1, 0, 0, -1 }; EXPORT_SYMBOL(boot_cpu_data); @@ -495,7 +495,7 @@ static void set_mca_bus(int x) { } #endif /* Overridden in paravirt.c if CONFIG_PARAVIRT */ -char * __attribute__((weak)) memory_setup(void) +char * __init __attribute__((weak)) memory_setup(void) { return machine_specific_memory_setup(); } diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index 300d9b38d02..dea7ef9d3e8 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -159,7 +159,7 @@ void __init smp_alloc_memory(void) * a given CPU */ -static void __devinit smp_store_cpu_info(int id) +static void __cpuinit smp_store_cpu_info(int id) { struct cpuinfo_x86 *c = cpu_data + id; @@ -364,7 +364,7 @@ extern void calibrate_delay(void); static atomic_t init_deasserted; -static void __devinit smp_callin(void) +static void __cpuinit smp_callin(void) { int cpuid, phys_id; unsigned long timeout; @@ -538,7 +538,7 @@ set_cpu_sibling_map(int cpu) /* * Activate a secondary processor. */ -static void __devinit start_secondary(void *unused) +static void __cpuinit start_secondary(void *unused) { /* * Don't put *anything* before secondary_cpu_init(), SMP @@ -931,7 +931,7 @@ static inline struct task_struct * alloc_idle_task(int cpu) #define alloc_idle_task(cpu) fork_idle(cpu) #endif -static int __devinit do_boot_cpu(int apicid, int cpu) +static int __cpuinit do_boot_cpu(int apicid, int cpu) /* * NOTE - on most systems this is a PHYSICAL apic ID, but on multiquad * (ie clustered apic addressing mode), this is a LOGICAL apic ID. @@ -1432,7 +1432,7 @@ void __cpu_die(unsigned int cpu) } #endif /* CONFIG_HOTPLUG_CPU */ -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { #ifdef CONFIG_HOTPLUG_CPU int ret=0; diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c index 1bbe45dca7a..2cfc7b09b92 100644 --- a/arch/i386/kernel/tsc.c +++ b/arch/i386/kernel/tsc.c @@ -24,7 +24,7 @@ */ unsigned int tsc_khz; -int tsc_disable __cpuinitdata = 0; +int tsc_disable; #ifdef CONFIG_X86_TSC static int __init tsc_setup(char *str) diff --git a/arch/i386/mach-generic/bigsmp.c b/arch/i386/mach-generic/bigsmp.c index 33d9f93557b..8a210fa915b 100644 --- a/arch/i386/mach-generic/bigsmp.c +++ b/arch/i386/mach-generic/bigsmp.c @@ -45,7 +45,7 @@ static struct dmi_system_id __initdata bigsmp_dmi_table[] = { }; -static __init int probe_bigsmp(void) +static int probe_bigsmp(void) { if (def_to_bigsmp) dmi_bigsmp = 1; diff --git a/arch/i386/mach-generic/default.c b/arch/i386/mach-generic/default.c index 96c19821e47..8685208d851 100644 --- a/arch/i386/mach-generic/default.c +++ b/arch/i386/mach-generic/default.c @@ -18,7 +18,7 @@ #include <asm/mach-default/mach_mpparse.h> /* should be called last. */ -static __init int probe_default(void) +static int probe_default(void) { return 1; } diff --git a/arch/i386/mach-generic/es7000.c b/arch/i386/mach-generic/es7000.c index aa144d82334..b8963a5a3b2 100644 --- a/arch/i386/mach-generic/es7000.c +++ b/arch/i386/mach-generic/es7000.c @@ -19,7 +19,7 @@ #include <asm/mach-es7000/mach_mpparse.h> #include <asm/mach-es7000/mach_wakecpu.h> -static __init int probe_es7000(void) +static int probe_es7000(void) { /* probed later in mptable/ACPI hooks */ return 0; diff --git a/arch/i386/mach-generic/summit.c b/arch/i386/mach-generic/summit.c index f7e5d66648d..74883ccb8f7 100644 --- a/arch/i386/mach-generic/summit.c +++ b/arch/i386/mach-generic/summit.c @@ -18,7 +18,7 @@ #include <asm/mach-summit/mach_ipi.h> #include <asm/mach-summit/mach_mpparse.h> -static __init int probe_summit(void) +static int probe_summit(void) { /* probed later in mptable/ACPI hooks */ return 0; diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 60a7e57af19..c5c5ea700cc 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -283,7 +283,7 @@ void __init add_one_highpage_init(struct page *page, int pfn, int bad_ppro) SetPageReserved(page); } -static int add_one_highpage_hotplug(struct page *page, unsigned long pfn) +static int __meminit add_one_highpage_hotplug(struct page *page, unsigned long pfn) { free_new_highpage(page); totalram_pages++; @@ -300,7 +300,7 @@ static int add_one_highpage_hotplug(struct page *page, unsigned long pfn) * has been added dynamically that would be * onlined here is in HIGHMEM */ -void online_page(struct page *page) +void __meminit online_page(struct page *page) { ClearPageReserved(page); add_one_highpage_hotplug(page, page_to_pfn(page)); diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index 1a3d8a2feb9..1373fae7657 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -543,7 +543,8 @@ virtual_memmap_init (u64 start, u64 end, void *arg) if (map_start < map_end) memmap_init_zone((unsigned long)(map_end - map_start), - args->nid, args->zone, page_to_pfn(map_start)); + args->nid, args->zone, page_to_pfn(map_start), + MEMMAP_EARLY); return 0; } @@ -552,7 +553,7 @@ memmap_init (unsigned long size, int nid, unsigned long zone, unsigned long start_pfn) { if (!vmem_map) - memmap_init_zone(size, nid, zone, start_pfn); + memmap_init_zone(size, nid, zone, start_pfn, MEMMAP_EARLY); else { struct page *start; struct memmap_init_callback_data args; diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c index fa786560949..48d376f47e1 100644 --- a/arch/m32r/kernel/smpboot.c +++ b/arch/m32r/kernel/smpboot.c @@ -351,7 +351,7 @@ static void __init do_boot_cpu(int phys_id) } } -int __devinit __cpu_up(unsigned int cpu_id) +int __cpuinit __cpu_up(unsigned int cpu_id) { int timeout; diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c index da591f67489..9f8ce08e173 100644 --- a/arch/mips/au1000/common/pci.c +++ b/arch/mips/au1000/common/pci.c @@ -39,15 +39,15 @@ /* TBD */ static struct resource pci_io_resource = { - .start = PCI_IO_START, - .end = PCI_IO_END, + .start = (resource_size_t)PCI_IO_START, + .end = (resource_size_t)PCI_IO_END, .name = "PCI IO space", .flags = IORESOURCE_IO }; static struct resource pci_mem_resource = { - .start = PCI_MEM_START, - .end = PCI_MEM_END, + .start = (resource_size_t)PCI_MEM_START, + .end = (resource_size_t)PCI_MEM_END, .name = "PCI memory space", .flags = IORESOURCE_MEM }; diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index b061c9aa630..de3fae260ff 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -440,14 +440,26 @@ sys32_ipc (u32 call, int first, int second, int third, u32 ptr, u32 fifth) } #ifdef CONFIG_MIPS32_N32 -asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, union semun arg) +asmlinkage long sysn32_semctl(int semid, int semnum, int cmd, u32 arg) { /* compat_sys_semctl expects a pointer to union semun */ u32 __user *uptr = compat_alloc_user_space(sizeof(u32)); - if (put_user(ptr_to_compat(arg.__pad), uptr)) + if (put_user(arg, uptr)) return -EFAULT; return compat_sys_semctl(semid, semnum, cmd, uptr); } + +asmlinkage long sysn32_msgsnd(int msqid, u32 msgp, unsigned msgsz, int msgflg) +{ + return compat_sys_msgsnd(msqid, msgsz, msgflg, compat_ptr(msgp)); +} + +asmlinkage long sysn32_msgrcv(int msqid, u32 msgp, size_t msgsz, int msgtyp, + int msgflg) +{ + return compat_sys_msgrcv(msqid, msgsz, msgtyp, msgflg, IPC_64, + compat_ptr(msgp)); +} #endif struct sysctl_args32 diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 34567d81f94..a7bff2a5472 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -187,8 +187,8 @@ EXPORT(sysn32_call_table) PTR sysn32_semctl PTR sys_shmdt /* 6065 */ PTR sys_msgget - PTR compat_sys_msgsnd - PTR compat_sys_msgrcv + PTR sysn32_msgsnd + PTR sysn32_msgrcv PTR compat_sys_msgctl PTR compat_sys_fcntl /* 6070 */ PTR sys_flock diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index f2a8701e414..0555fc554f6 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -271,7 +271,7 @@ void __devinit smp_prepare_boot_cpu(void) * and keep control until "cpu_online(cpu)" is set. Note: cpu is * physical, not logical. */ -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { struct task_struct *idle; diff --git a/arch/mips/philips/pnx8550/common/time.c b/arch/mips/philips/pnx8550/common/time.c index f80acae07ce..68def3880a1 100644 --- a/arch/mips/philips/pnx8550/common/time.c +++ b/arch/mips/philips/pnx8550/common/time.c @@ -79,6 +79,7 @@ void pnx8550_time_init(void) */ mips_hpt_frequency = 27UL * ((1000000UL * n)/(m * pow2p)); cpj = (mips_hpt_frequency + HZ / 2) / HZ; + write_c0_count(0); timer_ack(); /* Setup Timer 2 */ diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 4a23a97b06c..12cc019307a 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -608,7 +608,7 @@ void smp_cpus_done(unsigned int cpu_max) } -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { if (cpu != 0 && cpu < parisc_max_cpus) smp_boot_one_cpu(cpu); diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 9b28c238b6c..0e8beca460a 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -468,7 +468,7 @@ static int __devinit cpu_enable(unsigned int cpu) return -ENOSYS; } -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { int c; diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 7f2944d3ec2..cd3d93e8c21 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -61,7 +61,8 @@ void memmap_init(unsigned long size, int nid, unsigned long zone, if (map_start < map_end) memmap_init_zone((unsigned long)(map_end - map_start), - nid, zone, page_to_pfn(map_start)); + nid, zone, page_to_pfn(map_start), + MEMMAP_EARLY); } } diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c index 0a4958536bc..fc99f7b8012 100644 --- a/arch/sparc64/kernel/smp.c +++ b/arch/sparc64/kernel/smp.c @@ -1388,7 +1388,7 @@ void __devinit smp_prepare_boot_cpu(void) { } -int __devinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu) { int ret = smp_boot_one_cpu(cpu); diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig index 9cc7c21547a..69584c29530 100644 --- a/arch/x86_64/defconfig +++ b/arch/x86_64/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.19-git14 -# Sat Dec 9 21:23:09 2006 +# Linux kernel version: 2.6.20-rc3 +# Fri Jan 5 11:54:41 2007 # CONFIG_X86_64=y CONFIG_64BIT=y @@ -1056,6 +1056,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_LM92 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_PC87360 is not set +# CONFIG_SENSORS_PC87427 is not set # CONFIG_SENSORS_SIS5595 is not set # CONFIG_SENSORS_SMSC47M1 is not set # CONFIG_SENSORS_SMSC47M192 is not set @@ -1066,6 +1067,7 @@ CONFIG_SENSORS_SMSC47B397=m # CONFIG_SENSORS_W83781D is not set # CONFIG_SENSORS_W83791D is not set # CONFIG_SENSORS_W83792D is not set +# CONFIG_SENSORS_W83793 is not set # CONFIG_SENSORS_W83L785TS is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set @@ -1311,6 +1313,11 @@ CONFIG_USB_MON=y # # +# Virtualization +# +# CONFIG_KVM is not set + +# # Firmware Drivers # # CONFIG_EDD is not set @@ -1502,6 +1509,8 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y # CONFIG_ENABLE_MUST_CHECK is not set CONFIG_MAGIC_SYSRQ=y CONFIG_UNUSED_SYMBOLS=y +CONFIG_DEBUG_FS=y +# CONFIG_HEADERS_CHECK is not set CONFIG_DEBUG_KERNEL=y CONFIG_LOG_BUF_SHIFT=18 CONFIG_DETECT_SOFTLOCKUP=y @@ -1519,12 +1528,10 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_INFO is not set -CONFIG_DEBUG_FS=y # CONFIG_DEBUG_VM is not set # CONFIG_DEBUG_LIST is not set # CONFIG_FRAME_POINTER is not set # CONFIG_FORCED_INLINING is not set -# CONFIG_HEADERS_CHECK is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_LKDTM is not set # CONFIG_DEBUG_RODATA is not set @@ -1553,3 +1560,4 @@ CONFIG_CRC32=y # CONFIG_LIBCRC32C is not set CONFIG_ZLIB_INFLATE=y CONFIG_PLIST=y +CONFIG_IOMAP_COPY=y diff --git a/arch/x86_64/ia32/ia32_aout.c b/arch/x86_64/ia32/ia32_aout.c index be87df506f3..fe83edb93c1 100644 --- a/arch/x86_64/ia32/ia32_aout.c +++ b/arch/x86_64/ia32/ia32_aout.c @@ -241,7 +241,7 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) get_user(c,p++); } while (c); } - put_user(NULL,argv); + put_user(0, argv); current->mm->arg_end = current->mm->env_start = (unsigned long) p; while (envc-->0) { char c; @@ -250,7 +250,7 @@ static u32 __user *create_aout_tables(char __user *p, struct linux_binprm *bprm) get_user(c,p++); } while (c); } - put_user(NULL,envp); + put_user(0, envp); current->mm->env_end = (unsigned long) p; return sp; } diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c index 87d90cb68a7..3d65b1d4c2b 100644 --- a/arch/x86_64/kernel/pci-calgary.c +++ b/arch/x86_64/kernel/pci-calgary.c @@ -1068,6 +1068,8 @@ void __init detect_calgary(void) if (!early_pci_allowed()) return; + printk(KERN_DEBUG "Calgary: detecting Calgary via BIOS EBDA area\n"); + ptr = (unsigned long)phys_to_virt(get_bios_ebda()); rio_table_hdr = NULL; @@ -1088,14 +1090,14 @@ void __init detect_calgary(void) offset = *((unsigned short *)(ptr + offset)); } if (!rio_table_hdr) { - printk(KERN_ERR "Calgary: Unable to locate " - "Rio Grande Table in EBDA - bailing!\n"); + printk(KERN_DEBUG "Calgary: Unable to locate Rio Grande table " + "in EBDA - bailing!\n"); return; } ret = build_detail_arrays(); if (ret) { - printk(KERN_ERR "Calgary: build_detail_arrays ret %d\n", ret); + printk(KERN_DEBUG "Calgary: build_detail_arrays ret %d\n", ret); return; } @@ -1128,6 +1130,9 @@ void __init detect_calgary(void) } } + printk(KERN_DEBUG "Calgary: finished detection, Calgary %s\n", + calgary_found ? "found" : "not found"); + if (calgary_found) { iommu_detected = 1; calgary_detected = 1; diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 9f05bc9b2da..5cc76d0d331 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -656,6 +656,25 @@ core_initcall(cpufreq_tsc); */ #define TICK_COUNT 100000000 +#define TICK_MIN 5000 + +/* + * Some platforms take periodic SMI interrupts with 5ms duration. Make sure none + * occurs between the reads of the hpet & TSC. + */ +static void __init read_hpet_tsc(int *hpet, int *tsc) +{ + int tsc1, tsc2, hpet1; + + do { + tsc1 = get_cycles_sync(); + hpet1 = hpet_readl(HPET_COUNTER); + tsc2 = get_cycles_sync(); + } while (tsc2 - tsc1 > TICK_MIN); + *hpet = hpet1; + *tsc = tsc2; +} + static unsigned int __init hpet_calibrate_tsc(void) { @@ -666,13 +685,11 @@ static unsigned int __init hpet_calibrate_tsc(void) local_irq_save(flags); local_irq_disable(); - hpet_start = hpet_readl(HPET_COUNTER); - rdtscl(tsc_start); + read_hpet_tsc(&hpet_start, &tsc_start); do { local_irq_disable(); - hpet_now = hpet_readl(HPET_COUNTER); - tsc_now = get_cycles_sync(); + read_hpet_tsc(&hpet_now, &tsc_now); local_irq_restore(flags); } while ((tsc_now - tsc_start) < TICK_COUNT && (hpet_now - hpet_start) < TICK_COUNT); diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index e2c4b3a41b1..78c1ae28f17 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -500,7 +500,7 @@ int i915_vblank_swap(DRM_IOCTL_ARGS) if (!drm_get_drawable_info(dev, swap.drawable)) { spin_unlock_irqrestore(&dev->drw_lock, irqflags); - DRM_ERROR("Invalid drawable ID %d\n", swap.drawable); + DRM_DEBUG("Invalid drawable ID %d\n", swap.drawable); return DRM_ERR(EINVAL); } diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index 71e4e0f3fd5..556fd81fa81 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -144,7 +144,7 @@ static void __exit mod_exit(void) hwrng_unregister(&amd_rng); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_AUTHOR("The Linux Kernel team"); diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c index d37ced0d132..8e8658dcd2e 100644 --- a/drivers/char/hw_random/geode-rng.c +++ b/drivers/char/hw_random/geode-rng.c @@ -125,7 +125,7 @@ static void __exit mod_exit(void) iounmap(mem); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_DESCRIPTION("H/W RNG driver for AMD Geode LX CPUs"); diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c index 8efbc9c0e54..f22e78e3c70 100644 --- a/drivers/char/hw_random/intel-rng.c +++ b/drivers/char/hw_random/intel-rng.c @@ -143,6 +143,11 @@ static const struct pci_device_id pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, pci_tbl); +static __initdata int no_fwh_detect; +module_param(no_fwh_detect, int, 0); +MODULE_PARM_DESC(no_fwh_detect, "Skip FWH detection:\n" + " positive value - skip if FWH space locked read-only\n" + " negative value - skip always"); static inline u8 hwstatus_get(void __iomem *mem) { @@ -240,6 +245,11 @@ static int __init mod_init(void) if (!dev) goto out; /* Device not found. */ + if (no_fwh_detect < 0) { + pci_dev_put(dev); + goto fwh_done; + } + /* Check for Intel 82802 */ if (dev->device < 0x2640) { fwh_dec_en1_off = FWH_DEC_EN1_REG_OLD; @@ -252,6 +262,23 @@ static int __init mod_init(void) pci_read_config_byte(dev, fwh_dec_en1_off, &fwh_dec_en1_val); pci_read_config_byte(dev, bios_cntl_off, &bios_cntl_val); + if ((bios_cntl_val & + (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK)) + == BIOS_CNTL_LOCK_ENABLE_MASK) { + static __initdata /*const*/ char warning[] = + KERN_WARNING PFX "Firmware space is locked read-only. If you can't or\n" + KERN_WARNING PFX "don't want to disable this in firmware setup, and if\n" + KERN_WARNING PFX "you are certain that your system has a functional\n" + KERN_WARNING PFX "RNG, try using the 'no_fwh_detect' option.\n"; + + pci_dev_put(dev); + if (no_fwh_detect) + goto fwh_done; + printk(warning); + err = -EBUSY; + goto out; + } + mem = ioremap_nocache(INTEL_FWH_ADDR, INTEL_FWH_ADDR_LEN); if (mem == NULL) { pci_dev_put(dev); @@ -280,8 +307,7 @@ static int __init mod_init(void) pci_write_config_byte(dev, fwh_dec_en1_off, fwh_dec_en1_val | FWH_F8_EN_MASK); - if (!(bios_cntl_val & - (BIOS_CNTL_LOCK_ENABLE_MASK|BIOS_CNTL_WRITE_ENABLE_MASK))) + if (!(bios_cntl_val & BIOS_CNTL_WRITE_ENABLE_MASK)) pci_write_config_byte(dev, bios_cntl_off, bios_cntl_val | BIOS_CNTL_WRITE_ENABLE_MASK); @@ -315,6 +341,8 @@ static int __init mod_init(void) goto out; } +fwh_done: + err = -ENOMEM; mem = ioremap(INTEL_RNG_ADDR, INTEL_RNG_ADDR_LEN); if (!mem) @@ -350,7 +378,7 @@ static void __exit mod_exit(void) iounmap(mem); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_DESCRIPTION("H/W RNG driver for Intel chipsets"); diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c index c9caff57db8..bab43ca32ac 100644 --- a/drivers/char/hw_random/ixp4xx-rng.c +++ b/drivers/char/hw_random/ixp4xx-rng.c @@ -64,7 +64,7 @@ static void __exit ixp4xx_rng_exit(void) iounmap(rng_base); } -subsys_initcall(ixp4xx_rng_init); +module_init(ixp4xx_rng_init); module_exit(ixp4xx_rng_exit); MODULE_AUTHOR("Deepak Saxena <dsaxena@plexity.net>"); diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index 0e786b617bb..9ebf84d1865 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c @@ -176,7 +176,7 @@ static void __exit mod_exit(void) hwrng_unregister(&via_rng); } -subsys_initcall(mod_init); +module_init(mod_init); module_exit(mod_exit); MODULE_DESCRIPTION("H/W RNG driver for VIA chipsets"); diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index 2b5d7ab3adf..4325aac7733 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -2020,6 +2020,8 @@ static int sbp2scsi_slave_configure(struct scsi_device *sdev) blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); sdev->use_10_for_rw = 1; + if (sdev->type == TYPE_ROM) + sdev->use_10_for_ms = 1; if (sdev->type == TYPE_DISK && lu->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) sdev->skip_ms_page_8 = 1; diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c index ccc06b1b91b..714f6a7841c 100644 --- a/drivers/kvm/svm.c +++ b/drivers/kvm/svm.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/highmem.h> +#include <linux/profile.h> #include <asm/desc.h> #include "kvm_svm.h" @@ -1558,6 +1559,13 @@ again: reload_tss(vcpu); + /* + * Profile KVM exit RIPs: + */ + if (unlikely(prof_on == KVM_PROFILING)) + profile_hit(KVM_PROFILING, + (void *)(unsigned long)vcpu->svm->vmcb->save.rip); + stgi(); kvm_reput_irq(vcpu); diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c index d4701cb4c65..ce219e3f557 100644 --- a/drivers/kvm/vmx.c +++ b/drivers/kvm/vmx.c @@ -21,6 +21,7 @@ #include <linux/module.h> #include <linux/mm.h> #include <linux/highmem.h> +#include <linux/profile.h> #include <asm/io.h> #include <asm/desc.h> @@ -1859,6 +1860,12 @@ again: asm ("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS)); #endif + /* + * Profile KVM exit RIPs: + */ + if (unlikely(prof_on == KVM_PROFILING)) + profile_hit(KVM_PROFILING, (void *)vmcs_readl(GUEST_RIP)); + kvm_run->exit_type = 0; if (fail) { kvm_run->exit_type = KVM_EXIT_TYPE_FAIL_ENTRY; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index b30f74be398..164b25dca10 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -775,6 +775,7 @@ static int make_request(request_queue_t *q, struct bio * bio) struct bio_list bl; struct page **behind_pages = NULL; const int rw = bio_data_dir(bio); + const int do_sync = bio_sync(bio); int do_barriers; /* @@ -835,7 +836,7 @@ static int make_request(request_queue_t *q, struct bio * bio) read_bio->bi_sector = r1_bio->sector + mirror->rdev->data_offset; read_bio->bi_bdev = mirror->rdev->bdev; read_bio->bi_end_io = raid1_end_read_request; - read_bio->bi_rw = READ; + read_bio->bi_rw = READ | do_sync; read_bio->bi_private = r1_bio; generic_make_request(read_bio); @@ -906,7 +907,7 @@ static int make_request(request_queue_t *q, struct bio * bio) mbio->bi_sector = r1_bio->sector + conf->mirrors[i].rdev->data_offset; mbio->bi_bdev = conf->mirrors[i].rdev->bdev; mbio->bi_end_io = raid1_end_write_request; - mbio->bi_rw = WRITE | do_barriers; + mbio->bi_rw = WRITE | do_barriers | do_sync; mbio->bi_private = r1_bio; if (behind_pages) { @@ -941,6 +942,8 @@ static int make_request(request_queue_t *q, struct bio * bio) blk_plug_device(mddev->queue); spin_unlock_irqrestore(&conf->device_lock, flags); + if (do_sync) + md_wakeup_thread(mddev->thread); #if 0 while ((bio = bio_list_pop(&bl)) != NULL) generic_make_request(bio); @@ -1541,6 +1544,7 @@ static void raid1d(mddev_t *mddev) * We already have a nr_pending reference on these rdevs. */ int i; + const int do_sync = bio_sync(r1_bio->master_bio); clear_bit(R1BIO_BarrierRetry, &r1_bio->state); clear_bit(R1BIO_Barrier, &r1_bio->state); for (i=0; i < conf->raid_disks; i++) @@ -1561,7 +1565,7 @@ static void raid1d(mddev_t *mddev) conf->mirrors[i].rdev->data_offset; bio->bi_bdev = conf->mirrors[i].rdev->bdev; bio->bi_end_io = raid1_end_write_request; - bio->bi_rw = WRITE; + bio->bi_rw = WRITE | do_sync; bio->bi_private = r1_bio; r1_bio->bios[i] = bio; generic_make_request(bio); @@ -1593,6 +1597,7 @@ static void raid1d(mddev_t *mddev) (unsigned long long)r1_bio->sector); raid_end_bio_io(r1_bio); } else { + const int do_sync = bio_sync(r1_bio->master_bio); r1_bio->bios[r1_bio->read_disk] = mddev->ro ? IO_BLOCKED : NULL; r1_bio->read_disk = disk; @@ -1608,7 +1613,7 @@ static void raid1d(mddev_t *mddev) bio->bi_sector = r1_bio->sector + rdev->data_offset; bio->bi_bdev = rdev->bdev; bio->bi_end_io = raid1_end_read_request; - bio->bi_rw = READ; + bio->bi_rw = READ | do_sync; bio->bi_private = r1_bio; unplug = 1; generic_make_request(bio); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index f0141910bb8..a9401c017e3 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -782,6 +782,7 @@ static int make_request(request_queue_t *q, struct bio * bio) int i; int chunk_sects = conf->chunk_mask + 1; const int rw = bio_data_dir(bio); + const int do_sync = bio_sync(bio); struct bio_list bl; unsigned long flags; @@ -863,7 +864,7 @@ static int make_request(request_queue_t *q, struct bio * bio) mirror->rdev->data_offset; read_bio->bi_bdev = mirror->rdev->bdev; read_bio->bi_end_io = raid10_end_read_request; - read_bio->bi_rw = READ; + read_bio->bi_rw = READ | do_sync; read_bio->bi_private = r10_bio; generic_make_request(read_bio); @@ -909,7 +910,7 @@ static int make_request(request_queue_t *q, struct bio * bio) conf->mirrors[d].rdev->data_offset; mbio->bi_bdev = conf->mirrors[d].rdev->bdev; mbio->bi_end_io = raid10_end_write_request; - mbio->bi_rw = WRITE; + mbio->bi_rw = WRITE | do_sync; mbio->bi_private = r10_bio; atomic_inc(&r10_bio->remaining); @@ -922,6 +923,9 @@ static int make_request(request_queue_t *q, struct bio * bio) blk_plug_device(mddev->queue); spin_unlock_irqrestore(&conf->device_lock, flags); + if (do_sync) + md_wakeup_thread(mddev->thread); + return 0; } @@ -1563,6 +1567,7 @@ static void raid10d(mddev_t *mddev) (unsigned long long)r10_bio->sector); raid_end_bio_io(r10_bio); } else { + const int do_sync = bio_sync(r10_bio->master_bio); rdev = conf->mirrors[mirror].rdev; if (printk_ratelimit()) printk(KERN_ERR "raid10: %s: redirecting sector %llu to" @@ -1574,7 +1579,7 @@ static void raid10d(mddev_t *mddev) bio->bi_sector = r10_bio->devs[r10_bio->read_slot].addr + rdev->data_offset; bio->bi_bdev = rdev->bdev; - bio->bi_rw = READ; + bio->bi_rw = READ | do_sync; bio->bi_private = r10_bio; bio->bi_end_io = raid10_end_read_request; unplug = 1; diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c index 08a33c33f6e..aa152f31851 100644 --- a/drivers/mmc/at91_mci.c +++ b/drivers/mmc/at91_mci.c @@ -768,7 +768,7 @@ static irqreturn_t at91_mmc_det_irq(int irq, void *_host) return IRQ_HANDLED; } -int at91_mci_get_ro(struct mmc_host *mmc) +static int at91_mci_get_ro(struct mmc_host *mmc) { int read_only = 0; struct at91mci_host *host = mmc_priv(mmc); @@ -794,7 +794,7 @@ static const struct mmc_host_ops at91_mci_ops = { /* * Probe for the device */ -static int at91_mci_probe(struct platform_device *pdev) +static int __init at91_mci_probe(struct platform_device *pdev) { struct mmc_host *mmc; struct at91mci_host *host; @@ -910,7 +910,7 @@ static int at91_mci_probe(struct platform_device *pdev) /* * Remove a device */ -static int at91_mci_remove(struct platform_device *pdev) +static int __exit at91_mci_remove(struct platform_device *pdev) { struct mmc_host *mmc = platform_get_drvdata(pdev); struct at91mci_host *host; @@ -972,8 +972,7 @@ static int at91_mci_resume(struct platform_device *pdev) #endif static struct platform_driver at91_mci_driver = { - .probe = at91_mci_probe, - .remove = at91_mci_remove, + .remove = __exit_p(at91_mci_remove), .suspend = at91_mci_suspend, .resume = at91_mci_resume, .driver = { @@ -984,7 +983,7 @@ static struct platform_driver at91_mci_driver = { static int __init at91_mci_init(void) { - return platform_driver_register(&at91_mci_driver); + return platform_driver_probe(&at91_mci_driver, at91_mci_probe); } static void __exit at91_mci_exit(void) diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 435d331e772..9488408308f 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -581,9 +581,9 @@ static void mmc_omap_switch_timer(unsigned long arg) schedule_work(&host->switch_work); } -static void mmc_omap_switch_handler(void *data) +static void mmc_omap_switch_handler(struct work_struct *work) { - struct mmc_omap_host *host = (struct mmc_omap_host *) data; + struct mmc_omap_host *host = container_of(work, struct mmc_omap_host, switch_work); struct mmc_card *card; static int complained = 0; int cards = 0, cover_open; @@ -1116,7 +1116,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev) platform_set_drvdata(pdev, host); if (host->switch_pin >= 0) { - INIT_WORK(&host->switch_work, mmc_omap_switch_handler, host); + INIT_WORK(&host->switch_work, mmc_omap_switch_handler); init_timer(&host->switch_timer); host->switch_timer.function = mmc_omap_switch_timer; host->switch_timer.data = (unsigned long) host; diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 794cc61819d..448bf4a7801 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -281,7 +281,6 @@ static int tc574_probe(struct pcmcia_device *link) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; /* The EL3-specific entries in the device structure. */ dev->hard_start_xmit = &el3_start_xmit; diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index 1e73ff7d5d8..342f4062de0 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -195,7 +195,6 @@ static int tc589_probe(struct pcmcia_device *link) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; /* The EL3-specific entries in the device structure. */ SET_MODULE_OWNER(dev); diff --git a/drivers/net/pcmcia/com20020_cs.c b/drivers/net/pcmcia/com20020_cs.c index 91f65e91cd5..0d1c7a41c9c 100644 --- a/drivers/net/pcmcia/com20020_cs.c +++ b/drivers/net/pcmcia/com20020_cs.c @@ -173,7 +173,6 @@ static int com20020_probe(struct pcmcia_device *p_dev) p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; p_dev->conf.Attributes = CONF_ENABLE_IRQ; p_dev->conf.IntType = INT_MEMORY_AND_IO; - p_dev->conf.Present = PRESENT_OPTION; p_dev->irq.Instance = info->dev = dev; p_dev->priv = info; diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index 8478dca3d8d..5879e7c3698 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -576,7 +576,6 @@ xirc2ps_probe(struct pcmcia_device *link) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; link->irq.Handler = xirc2ps_interrupt; link->irq.Instance = dev; diff --git a/drivers/net/wireless/netwave_cs.c b/drivers/net/wireless/netwave_cs.c index 644b4741ef7..a009ab51771 100644 --- a/drivers/net/wireless/netwave_cs.c +++ b/drivers/net/wireless/netwave_cs.c @@ -406,7 +406,6 @@ static int netwave_probe(struct pcmcia_device *link) link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; link->conf.ConfigIndex = 1; - link->conf.Present = PRESENT_OPTION; /* Netwave private struct init. link/dev/node already taken care of, * other stuff zero'd - Jean II */ diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c index 88e10c9bc4a..47b2ccb6a63 100644 --- a/drivers/net/wireless/ray_cs.c +++ b/drivers/net/wireless/ray_cs.c @@ -331,7 +331,6 @@ static int ray_probe(struct pcmcia_device *p_dev) p_dev->conf.Attributes = CONF_ENABLE_IRQ; p_dev->conf.IntType = INT_MEMORY_AND_IO; p_dev->conf.ConfigIndex = 1; - p_dev->conf.Present = PRESENT_OPTION; p_dev->priv = dev; p_dev->irq.Instance = dev; diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 583e0d655a9..c250f08c8dd 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -1928,7 +1928,6 @@ static int wl3501_probe(struct pcmcia_device *p_dev) p_dev->conf.Attributes = CONF_ENABLE_IRQ; p_dev->conf.IntType = INT_MEMORY_AND_IO; p_dev->conf.ConfigIndex = 1; - p_dev->conf.Present = PRESENT_OPTION; dev = alloc_etherdev(sizeof(struct wl3501_card)); if (!dev) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 6bfb942428e..206c834d263 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -254,7 +254,8 @@ static int __pci_find_next_ht_cap(struct pci_dev *dev, int pos, int ht_cap) if ((cap & mask) == ht_cap) return pos; - pos = __pci_find_next_cap_ttl(dev->bus, dev->devfn, pos, + pos = __pci_find_next_cap_ttl(dev->bus, dev->devfn, + pos + PCI_CAP_LIST_NEXT, PCI_CAP_ID_HT, &ttl); } diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0535efc4f18..0a70943f8bb 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -955,7 +955,7 @@ DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237, k8t_sound_ho * becomes necessary to do this tweak in two steps -- I've chosen the Host * bridge as trigger. */ -static int __initdata asus_hides_smbus; +static int asus_hides_smbus; static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev) { diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 72ba1a70f35..e9e0934380b 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -264,8 +264,6 @@ static int sh_rtc_proc(struct device *dev, struct seq_file *seq) unsigned int tmp; tmp = readb(rtc->regbase + RCR1); - seq_printf(seq, "alarm_IRQ\t: %s\n", - (tmp & RCR1_AIE) ? "yes" : "no"); seq_printf(seq, "carry_IRQ\t: %s\n", (tmp & RCR1_CIE) ? "yes" : "no"); @@ -428,6 +426,8 @@ static int sh_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *wkalrm) tm->tm_mon -= 1; /* RTC is 1-12, tm_mon is 0-11 */ tm->tm_year = 0xffff; + wkalrm->enabled = (readb(rtc->regbase + RCR1) & RCR1_AIE) ? 1 : 0; + spin_unlock_irq(&rtc->lock); return 0; diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index d72df5dae4e..e16fe361436 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1629,7 +1629,6 @@ static int nsp_cs_probe(struct pcmcia_device *link) /* General socket configuration */ link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.Present = PRESENT_OPTION; ret = nsp_cs_config(link); diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c index fb7acea6028..9fb0ea5c1fb 100644 --- a/drivers/scsi/pcmcia/sym53c500_cs.c +++ b/drivers/scsi/pcmcia/sym53c500_cs.c @@ -895,7 +895,6 @@ SYM53C500_probe(struct pcmcia_device *link) link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->conf.Attributes = CONF_ENABLE_IRQ; link->conf.IntType = INT_MEMORY_AND_IO; - link->conf.Present = PRESENT_OPTION; return SYM53C500_config(link); } /* SYM53C500_attach */ diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 51f3c739f7e..5261f0af8b1 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2296,7 +2296,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count) local_irq_restore(flags); } -static int serial8250_console_setup(struct console *co, char *options) +static int __init serial8250_console_setup(struct console *co, char *options) { struct uart_port *port; int baud = 9600; diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index c8999ae5865..2f4d303ee36 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -170,7 +170,7 @@ config USB_SERIAL_FTDI_SIO config USB_SERIAL_FUNSOFT tristate "USB Fundamental Software Dongle Driver" - depends on USB_SERIAL && !(SPARC || SPARC64) + depends on USB_SERIAL ---help--- Say Y here if you want to use the Fundamental Software dongle. diff --git a/drivers/usb/serial/funsoft.c b/drivers/usb/serial/funsoft.c index d3be9214c7c..31501c9361b 100644 --- a/drivers/usb/serial/funsoft.c +++ b/drivers/usb/serial/funsoft.c @@ -32,7 +32,7 @@ static int funsoft_ioctl(struct usb_serial_port *port, struct file *file, dbg("%s - port %d, cmd 0x%04x", __FUNCTION__, port->number, cmd); if (cmd == TCSETSF) { - if (user_termios_to_kernel_termios(&t, (void __user *)arg)) + if (user_termios_to_kernel_termios(&t, (struct termios __user *)arg)) return -EFAULT; dbg("%s - iflag:%x oflag:%x cflag:%x lflag:%x", __FUNCTION__, diff --git a/fs/block_dev.c b/fs/block_dev.c index 1715d6b5f41..8b18e43b82f 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -411,7 +411,7 @@ static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flag { memset(bdev, 0, sizeof(*bdev)); mutex_init(&bdev->bd_mutex); - mutex_init(&bdev->bd_mount_mutex); + sema_init(&bdev->bd_mount_sem, 1); INIT_LIST_HEAD(&bdev->bd_inodes); INIT_LIST_HEAD(&bdev->bd_list); #ifdef CONFIG_SYSFS diff --git a/fs/buffer.c b/fs/buffer.c index 263f88e4dff..3b116078b4c 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -180,7 +180,7 @@ int fsync_bdev(struct block_device *bdev) * freeze_bdev -- lock a filesystem and force it into a consistent state * @bdev: blockdevice to lock * - * This takes the block device bd_mount_mutex to make sure no new mounts + * This takes the block device bd_mount_sem to make sure no new mounts * happen on bdev until thaw_bdev() is called. * If a superblock is found on this device, we take the s_umount semaphore * on it to make sure nobody unmounts until the snapshot creation is done. @@ -189,7 +189,7 @@ struct super_block *freeze_bdev(struct block_device *bdev) { struct super_block *sb; - mutex_lock(&bdev->bd_mount_mutex); + down(&bdev->bd_mount_sem); sb = get_super(bdev); if (sb && !(sb->s_flags & MS_RDONLY)) { sb->s_frozen = SB_FREEZE_WRITE; @@ -231,7 +231,7 @@ void thaw_bdev(struct block_device *bdev, struct super_block *sb) drop_super(sb); } - mutex_unlock(&bdev->bd_mount_mutex); + up(&bdev->bd_mount_sem); } EXPORT_SYMBOL(thaw_bdev); diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index d14e139d267..ee80b8a5e7b 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -867,9 +867,9 @@ static int gfs2_get_sb_meta(struct file_system_type *fs_type, int flags, error = -EBUSY; goto error; } - mutex_lock(&sb->s_bdev->bd_mount_mutex); + down(&sb->s_bdev->bd_mount_sem); new = sget(fs_type, test_bdev_super, set_bdev_super, sb->s_bdev); - mutex_unlock(&sb->s_bdev->bd_mount_mutex); + up(&sb->s_bdev->bd_mount_sem); if (IS_ERR(new)) { error = PTR_ERR(new); goto error; diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 0dd6be346aa..fab20d06d93 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -315,14 +315,13 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset) static int nfs_release_page(struct page *page, gfp_t gfp) { - /* - * Avoid deadlock on nfs_wait_on_request(). - */ - if (!(gfp & __GFP_FS)) - return 0; - /* Hack... Force nfs_wb_page() to write out the page */ - SetPageDirty(page); - return !nfs_wb_page(page->mapping->host, page); + /* If PagePrivate() is set, then the page is not freeable */ + return 0; +} + +static int nfs_launder_page(struct page *page) +{ + return nfs_wb_page(page->mapping->host, page); } const struct address_space_operations nfs_file_aops = { @@ -338,6 +337,7 @@ const struct address_space_operations nfs_file_aops = { #ifdef CONFIG_NFS_DIRECTIO .direct_IO = nfs_direct_IO, #endif + .launder_page = nfs_launder_page, }; static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov, diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 92ea7743fe8..b37ce33f67e 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -47,7 +47,6 @@ #include <linux/vmalloc.h> #include <linux/crash_dump.h> #include <linux/pid_namespace.h> -#include <linux/compile.h> #include <asm/uaccess.h> #include <asm/pgtable.h> #include <asm/io.h> @@ -254,12 +253,7 @@ static int version_read_proc(char *page, char **start, off_t off, { int len; - /* FIXED STRING! Don't touch! */ - len = snprintf(page, PAGE_SIZE, - "%s version %s" - " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")" - " (" LINUX_COMPILER ")" - " %s\n", + len = snprintf(page, PAGE_SIZE, linux_proc_banner, utsname()->sysname, utsname()->release, utsname()->version); diff --git a/fs/super.c b/fs/super.c index f961e030799..3e7458c2bb7 100644 --- a/fs/super.c +++ b/fs/super.c @@ -753,9 +753,9 @@ int get_sb_bdev(struct file_system_type *fs_type, * will protect the lockfs code from trying to start a snapshot * while we are mounting */ - mutex_lock(&bdev->bd_mount_mutex); + down(&bdev->bd_mount_sem); s = sget(fs_type, test_bdev_super, set_bdev_super, bdev); - mutex_unlock(&bdev->bd_mount_mutex); + up(&bdev->bd_mount_sem); if (IS_ERR(s)) goto error_s; diff --git a/include/asm-alpha/posix_types.h b/include/asm-alpha/posix_types.h index c78c04a94f4..db167413300 100644 --- a/include/asm-alpha/posix_types.h +++ b/include/asm-alpha/posix_types.h @@ -49,7 +49,7 @@ typedef unsigned int __kernel_old_dev_t; #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) #define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0) #define __FD_ZERO(set) \ - ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) + ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) #else /* __GNUC__ */ diff --git a/include/asm-ia64/posix_types.h b/include/asm-ia64/posix_types.h index adb62272694..17885567b73 100644 --- a/include/asm-ia64/posix_types.h +++ b/include/asm-ia64/posix_types.h @@ -54,7 +54,7 @@ typedef unsigned int __kernel_old_dev_t; #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) #define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0) #define __FD_ZERO(set) \ - ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) + ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) # else /* !__GNUC__ */ diff --git a/include/asm-powerpc/posix_types.h b/include/asm-powerpc/posix_types.h index c6391077224..2f2288f520b 100644 --- a/include/asm-powerpc/posix_types.h +++ b/include/asm-powerpc/posix_types.h @@ -60,7 +60,7 @@ typedef struct { #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) #define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0) #define __FD_ZERO(set) \ - ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) + ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) #else /* __GNUC__ */ diff --git a/include/asm-s390/posix_types.h b/include/asm-s390/posix_types.h index b94c98856e1..397d93fba3a 100644 --- a/include/asm-s390/posix_types.h +++ b/include/asm-s390/posix_types.h @@ -104,7 +104,7 @@ static inline int __FD_ISSET(unsigned long fd, const __kernel_fd_set *fdsetp) #undef __FD_ZERO #define __FD_ZERO(fdsetp) \ - ((void) memset ((__ptr_t) (fdsetp), 0, sizeof (__kernel_fd_set))) + ((void) memset ((void *) (fdsetp), 0, sizeof (__kernel_fd_set))) #endif /* __KERNEL__ */ diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h index 5b535eaf530..8da9609070f 100644 --- a/include/asm-x86_64/bitops.h +++ b/include/asm-x86_64/bitops.h @@ -7,7 +7,13 @@ #include <asm/alternative.h> -#define ADDR (*(volatile long *) addr) +#if __GNUC__ < 4 || __GNUC_MINOR__ < 1 +/* Technically wrong, but this avoids compilation errors on some gcc + versions. */ +#define ADDR "=m" (*(volatile long *) addr) +#else +#define ADDR "+m" (*(volatile long *) addr) +#endif /** * set_bit - Atomically set a bit in memory @@ -23,7 +29,7 @@ static __inline__ void set_bit(int nr, volatile void * addr) { __asm__ __volatile__( LOCK_PREFIX "btsl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr) : "memory"); } @@ -40,7 +46,7 @@ static __inline__ void __set_bit(int nr, volatile void * addr) { __asm__ volatile( "btsl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr) : "memory"); } @@ -58,7 +64,7 @@ static __inline__ void clear_bit(int nr, volatile void * addr) { __asm__ __volatile__( LOCK_PREFIX "btrl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -66,7 +72,7 @@ static __inline__ void __clear_bit(int nr, volatile void * addr) { __asm__ __volatile__( "btrl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -86,7 +92,7 @@ static __inline__ void __change_bit(int nr, volatile void * addr) { __asm__ __volatile__( "btcl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -103,7 +109,7 @@ static __inline__ void change_bit(int nr, volatile void * addr) { __asm__ __volatile__( LOCK_PREFIX "btcl %1,%0" - :"+m" (ADDR) + :ADDR :"dIr" (nr)); } @@ -121,7 +127,7 @@ static __inline__ int test_and_set_bit(int nr, volatile void * addr) __asm__ __volatile__( LOCK_PREFIX "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -141,7 +147,7 @@ static __inline__ int __test_and_set_bit(int nr, volatile void * addr) __asm__( "btsl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr)); return oldbit; } @@ -160,7 +166,7 @@ static __inline__ int test_and_clear_bit(int nr, volatile void * addr) __asm__ __volatile__( LOCK_PREFIX "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -180,7 +186,7 @@ static __inline__ int __test_and_clear_bit(int nr, volatile void * addr) __asm__( "btrl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr)); return oldbit; } @@ -192,7 +198,7 @@ static __inline__ int __test_and_change_bit(int nr, volatile void * addr) __asm__ __volatile__( "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -211,7 +217,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) __asm__ __volatile__( LOCK_PREFIX "btcl %2,%1\n\tsbbl %0,%0" - :"=r" (oldbit),"+m" (ADDR) + :"=r" (oldbit),ADDR :"dIr" (nr) : "memory"); return oldbit; } @@ -237,7 +243,7 @@ static __inline__ int variable_test_bit(int nr, volatile const void * addr) __asm__ __volatile__( "btl %2,%1\n\tsbbl %0,%0" :"=r" (oldbit) - :"m" (ADDR),"dIr" (nr)); + :"m" (*(volatile long *)addr),"dIr" (nr)); return oldbit; } diff --git a/include/asm-xtensa/posix_types.h b/include/asm-xtensa/posix_types.h index 3470b44c12c..4ad77dda6d5 100644 --- a/include/asm-xtensa/posix_types.h +++ b/include/asm-xtensa/posix_types.h @@ -60,7 +60,7 @@ typedef struct { #define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) #define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) #define __FD_ZERO(set) \ - ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) + ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set))) #else /* __GNUC__ */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 186da813541..1410e5330c8 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -426,6 +426,7 @@ struct address_space_operations { /* migrate the contents of a page to the specified target */ int (*migratepage) (struct address_space *, struct page *, struct page *); + int (*launder_page) (struct page *); }; struct backing_dev_info; @@ -458,7 +459,7 @@ struct block_device { struct inode * bd_inode; /* will die */ int bd_openers; struct mutex bd_mutex; /* open/close mutex */ - struct mutex bd_mount_mutex; /* mount mutex */ + struct semaphore bd_mount_sem; struct list_head bd_inodes; void * bd_holder; int bd_holders; diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b0c4a05a4b0..63fb18dcac3 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -17,6 +17,9 @@ #include <asm/byteorder.h> #include <asm/bug.h> +extern const char linux_banner[]; +extern const char linux_proc_banner[]; + #define INT_MAX ((int)(~0U>>1)) #define INT_MIN (-INT_MAX - 1) #define UINT_MAX (~0U) diff --git a/include/linux/mm.h b/include/linux/mm.h index a17b147c61e..76912231af4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -978,7 +978,8 @@ extern int early_pfn_to_nid(unsigned long pfn); #endif /* CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID */ #endif /* CONFIG_ARCH_POPULATES_NODE_MAP */ extern void set_dma_reserve(unsigned long new_dma_reserve); -extern void memmap_init_zone(unsigned long, int, unsigned long, unsigned long); +extern void memmap_init_zone(unsigned long, int, unsigned long, + unsigned long, enum memmap_context); extern void setup_per_zone_pages_min(void); extern void mem_init(void); extern void show_mem(void); diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index e339a7345f2..b262f47961f 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -450,9 +450,13 @@ void build_all_zonelists(void); void wakeup_kswapd(struct zone *zone, int order); int zone_watermark_ok(struct zone *z, int order, unsigned long mark, int classzone_idx, int alloc_flags); - +enum memmap_context { + MEMMAP_EARLY, + MEMMAP_HOTPLUG, +}; extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn, - unsigned long size); + unsigned long size, + enum memmap_context context); #ifdef CONFIG_HAVE_MEMORY_PRESENT void memory_present(int nid, unsigned long start, unsigned long end); diff --git a/include/linux/netfilter/nf_conntrack_tcp.h b/include/linux/netfilter/nf_conntrack_tcp.h index 6b01ba29772..2f4e98b90cc 100644 --- a/include/linux/netfilter/nf_conntrack_tcp.h +++ b/include/linux/netfilter/nf_conntrack_tcp.h @@ -25,7 +25,7 @@ enum tcp_conntrack { #define IP_CT_TCP_FLAG_SACK_PERM 0x02 /* This sender sent FIN first */ -#define IP_CT_TCP_FLAG_CLOSE_INIT 0x03 +#define IP_CT_TCP_FLAG_CLOSE_INIT 0x04 #ifdef __KERNEL__ diff --git a/include/linux/netfilter_arp/arp_tables.h b/include/linux/netfilter_arp/arp_tables.h index 0be235418a2..24c8786d12e 100644 --- a/include/linux/netfilter_arp/arp_tables.h +++ b/include/linux/netfilter_arp/arp_tables.h @@ -190,6 +190,7 @@ struct arpt_replace /* The argument to ARPT_SO_ADD_COUNTERS. */ #define arpt_counters_info xt_counters_info +#define arpt_counters xt_counters /* The argument to ARPT_SO_GET_ENTRIES. */ struct arpt_get_entries diff --git a/include/linux/profile.h b/include/linux/profile.h index 5670b340c4e..eec48f5f934 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -15,6 +15,7 @@ extern int prof_on __read_mostly; #define CPU_PROFILING 1 #define SCHED_PROFILING 2 #define SLEEP_PROFILING 3 +#define KVM_PROFILING 4 struct proc_dir_entry; struct pt_regs; diff --git a/init/Makefile b/init/Makefile index 9cd871ce578..633a268d270 100644 --- a/init/Makefile +++ b/init/Makefile @@ -15,6 +15,14 @@ clean-files := ../include/linux/compile.h # dependencies on generated files need to be listed explicitly -$(obj)/main.o: include/linux/compile.h $(obj)/version.o: include/linux/compile.h +# compile.h changes depending on hostname, generation number, etc, +# so we regenerate it always. +# mkcompile_h will make sure to only update the +# actual file if its content has changed. + +include/linux/compile.h: FORCE + @echo ' CHK $@' + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ + "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(CFLAGS)" diff --git a/init/main.c b/init/main.c index bc27d72bbb1..8b4a7d76916 100644 --- a/init/main.c +++ b/init/main.c @@ -50,9 +50,7 @@ #include <linux/buffer_head.h> #include <linux/debug_locks.h> #include <linux/lockdep.h> -#include <linux/utsrelease.h> #include <linux/pid_namespace.h> -#include <linux/compile.h> #include <linux/device.h> #include <asm/io.h> @@ -482,12 +480,6 @@ void __init __attribute__((weak)) smp_setup_processor_id(void) { } -static const char linux_banner[] = - "Linux version " UTS_RELEASE - " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")" - " (" LINUX_COMPILER ")" - " " UTS_VERSION "\n"; - asmlinkage void __init start_kernel(void) { char * command_line; @@ -703,7 +695,7 @@ static void __init do_basic_setup(void) do_initcalls(); } -static void do_pre_smp_initcalls(void) +static void __init do_pre_smp_initcalls(void) { extern int spawn_ksoftirqd(void); #ifdef CONFIG_SMP diff --git a/init/version.c b/init/version.c index 9d96d36501c..6c01ec1cc48 100644 --- a/init/version.c +++ b/init/version.c @@ -33,3 +33,13 @@ struct uts_namespace init_uts_ns = { }, }; EXPORT_SYMBOL_GPL(init_uts_ns); + +/* FIXED STRINGS! Don't touch! */ +const char linux_banner[] = + "Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@" + LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n"; + +const char linux_proc_banner[] = + "%s version %s" + " (" LINUX_COMPILE_BY "@" LINUX_COMPILE_HOST ")" + " (" LINUX_COMPILER ") %s\n"; diff --git a/kernel/cpu.c b/kernel/cpu.c index 241064a3224..7406fe6966f 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -204,7 +204,7 @@ int cpu_down(unsigned int cpu) #endif /*CONFIG_HOTPLUG_CPU*/ /* Requires cpu_add_remove_lock to be held */ -static int __devinit _cpu_up(unsigned int cpu) +static int __cpuinit _cpu_up(unsigned int cpu) { int ret; void *hcpu = (void *)(long)cpu; @@ -239,7 +239,7 @@ out_notify: return ret; } -int __devinit cpu_up(unsigned int cpu) +int __cpuinit cpu_up(unsigned int cpu) { int err = 0; diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c index 543ea2e5ad9..9d8c79b4882 100644 --- a/kernel/irq/spurious.c +++ b/kernel/irq/spurious.c @@ -176,7 +176,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, int noirqdebug __read_mostly; -int __init noirqdebug_setup(char *str) +int noirqdebug_setup(char *str) { noirqdebug = 1; printk(KERN_INFO "IRQ lockup detection disabled\n"); diff --git a/kernel/profile.c b/kernel/profile.c index 11550b2290b..a6574a18514 100644 --- a/kernel/profile.c +++ b/kernel/profile.c @@ -40,7 +40,10 @@ int (*timer_hook)(struct pt_regs *) __read_mostly; static atomic_t *prof_buffer; static unsigned long prof_len, prof_shift; + int prof_on __read_mostly; +EXPORT_SYMBOL_GPL(prof_on); + static cpumask_t prof_cpu_mask = CPU_MASK_ALL; #ifdef CONFIG_SMP static DEFINE_PER_CPU(struct profile_hit *[2], cpu_profile_hits); @@ -52,6 +55,7 @@ static int __init profile_setup(char * str) { static char __initdata schedstr[] = "schedule"; static char __initdata sleepstr[] = "sleep"; + static char __initdata kvmstr[] = "kvm"; int par; if (!strncmp(str, sleepstr, strlen(sleepstr))) { @@ -72,6 +76,15 @@ static int __init profile_setup(char * str) printk(KERN_INFO "kernel schedule profiling enabled (shift: %ld)\n", prof_shift); + } else if (!strncmp(str, kvmstr, strlen(kvmstr))) { + prof_on = KVM_PROFILING; + if (str[strlen(kvmstr)] == ',') + str += strlen(kvmstr) + 1; + if (get_option(&str, &par)) + prof_shift = par; + printk(KERN_INFO + "kernel KVM profiling enabled (shift: %ld)\n", + prof_shift); } else if (get_option(&str, &par)) { prof_shift = par; prof_on = CPU_PROFILING; @@ -318,6 +331,7 @@ out: local_irq_restore(flags); put_cpu(); } +EXPORT_SYMBOL_GPL(profile_hits); static int __devinit profile_cpu_callback(struct notifier_block *info, unsigned long action, void *__cpu) diff --git a/kernel/sched.c b/kernel/sched.c index 3df33da0daf..cca93cc0dd7 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -6865,7 +6865,7 @@ void __init sched_init_smp(void) lock_cpu_hotplug(); arch_init_sched_domains(&cpu_online_map); - cpus_andnot(non_isolated_cpus, cpu_online_map, cpu_isolated_map); + cpus_andnot(non_isolated_cpus, cpu_possible_map, cpu_isolated_map); if (cpus_empty(non_isolated_cpus)) cpu_set(smp_processor_id(), non_isolated_cpus); unlock_cpu_hotplug(); diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 0c055a090f4..84279127fcd 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -67,11 +67,13 @@ static int __add_zone(struct zone *zone, unsigned long phys_start_pfn) zone_type = zone - pgdat->node_zones; if (!populated_zone(zone)) { int ret = 0; - ret = init_currently_empty_zone(zone, phys_start_pfn, nr_pages); + ret = init_currently_empty_zone(zone, phys_start_pfn, + nr_pages, MEMMAP_HOTPLUG); if (ret < 0) return ret; } - memmap_init_zone(nr_pages, nid, zone_type, phys_start_pfn); + memmap_init_zone(nr_pages, nid, zone_type, + phys_start_pfn, MEMMAP_HOTPLUG); return 0; } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a49f96b7ea4..fc5b5442e94 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1956,17 +1956,24 @@ static inline unsigned long wait_table_bits(unsigned long size) * done. Non-atomic initialization, single-pass. */ void __meminit memmap_init_zone(unsigned long size, int nid, unsigned long zone, - unsigned long start_pfn) + unsigned long start_pfn, enum memmap_context context) { struct page *page; unsigned long end_pfn = start_pfn + size; unsigned long pfn; for (pfn = start_pfn; pfn < end_pfn; pfn++) { - if (!early_pfn_valid(pfn)) - continue; - if (!early_pfn_in_nid(pfn, nid)) - continue; + /* + * There can be holes in boot-time mem_map[]s + * handed to this function. They do not + * exist on hotplugged memory. + */ + if (context == MEMMAP_EARLY) { + if (!early_pfn_valid(pfn)) + continue; + if (!early_pfn_in_nid(pfn, nid)) + continue; + } page = pfn_to_page(pfn); set_page_links(page, zone, nid, pfn); init_page_count(page); @@ -1993,7 +2000,7 @@ void zone_init_free_lists(struct pglist_data *pgdat, struct zone *zone, #ifndef __HAVE_ARCH_MEMMAP_INIT #define memmap_init(size, nid, zone, start_pfn) \ - memmap_init_zone((size), (nid), (zone), (start_pfn)) + memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY) #endif static int __cpuinit zone_batchsize(struct zone *zone) @@ -2239,7 +2246,8 @@ static __meminit void zone_pcp_init(struct zone *zone) __meminit int init_currently_empty_zone(struct zone *zone, unsigned long zone_start_pfn, - unsigned long size) + unsigned long size, + enum memmap_context context) { struct pglist_data *pgdat = zone->zone_pgdat; int ret; @@ -2683,7 +2691,8 @@ static void __meminit free_area_init_core(struct pglist_data *pgdat, if (!size) continue; - ret = init_currently_empty_zone(zone, zone_start_pfn, size); + ret = init_currently_empty_zone(zone, zone_start_pfn, + size, MEMMAP_EARLY); BUG_ON(ret); zone_start_pfn += size; } diff --git a/mm/truncate.c b/mm/truncate.c index ecdfdcc5052..6c79ca4a1ca 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -341,6 +341,15 @@ failed: return 0; } +static int do_launder_page(struct address_space *mapping, struct page *page) +{ + if (!PageDirty(page)) + return 0; + if (page->mapping != mapping || mapping->a_ops->launder_page == NULL) + return 0; + return mapping->a_ops->launder_page(page); +} + /** * invalidate_inode_pages2_range - remove range of pages from an address_space * @mapping: the address_space @@ -405,7 +414,8 @@ int invalidate_inode_pages2_range(struct address_space *mapping, PAGE_CACHE_SIZE, 0); } } - if (!invalidate_complete_page2(mapping, page)) + ret = do_launder_page(mapping, page); + if (ret == 0 && !invalidate_complete_page2(mapping, page)) ret = -EIO; unlock_page(page); } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index d60fd7321e6..86400964367 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -305,7 +305,7 @@ lookup_protocol: sk->sk_reuse = 1; inet = inet_sk(sk); - inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) == INET_PROTOSW_ICSK; + inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0; if (SOCK_RAW == sock->type) { inet->num = protocol; diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 25c8a42965d..480ace9819f 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -174,9 +174,10 @@ struct in_device *inetdev_init(struct net_device *dev) ip_mc_init_dev(in_dev); if (dev->flags & IFF_UP) ip_mc_up(in_dev); -out: + /* we can receive as soon as ip_ptr is set -- do this last */ rcu_assign_pointer(dev->ip_ptr, in_dev); +out: return in_dev; out_kfree: kfree(in_dev); diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c index 730a7a44c88..00d6dea9f7f 100644 --- a/net/ipv4/netfilter/nf_nat_standalone.c +++ b/net/ipv4/netfilter/nf_nat_standalone.c @@ -123,7 +123,7 @@ nf_nat_fn(unsigned int hooknum, nat = nfct_nat(ct); if (!nat) - return NF_DROP; + return NF_ACCEPT; switch (ctinfo) { case IP_CT_RELATED: diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 832a5e6e2d7..0e0e4262f4d 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -171,7 +171,7 @@ lookup_protocol: sk->sk_reuse = 1; inet = inet_sk(sk); - inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) == INET_PROTOSW_ICSK; + inet->is_icsk = (INET_PROTOSW_ICSK & answer_flags) != 0; if (SOCK_RAW == sock->type) { inet->num = protocol; diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 37e5fca923a..d9c15402ba6 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -835,6 +835,8 @@ void nf_ct_frag6_output(unsigned int hooknum, struct sk_buff *skb, s->nfct_reasm = skb; s2 = s->next; + s->next = NULL; + NF_HOOK_THRESH(PF_INET6, hooknum, s, in, out, okfn, NF_IP6_PRI_CONNTRACK_DEFRAG + 1); s = s2; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index f0bbe36799c..167d888d1df 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -124,8 +124,8 @@ void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code, padlen = len % 4; err.length = htons(len); len += padlen; - sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err); - chunk->subh.err_hdr = sctp_addto_chunk(chunk, paylen, payload); + chunk->subh.err_hdr = sctp_addto_chunk(chunk, sizeof(sctp_errhdr_t), &err); + sctp_addto_chunk(chunk, paylen, payload); } /* 3.3.2 Initiation (INIT) (1) diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc index a8ffc329666..c0ae0a7ddb4 100644 --- a/scripts/kconfig/qconf.cc +++ b/scripts/kconfig/qconf.cc @@ -917,7 +917,7 @@ void ConfigView::updateListAll(void) } ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name) - : Parent(parent, name), menu(0) + : Parent(parent, name), menu(0), sym(0) { if (name) { configSettings->beginGroup(name); @@ -925,8 +925,6 @@ ConfigInfoView::ConfigInfoView(QWidget* parent, const char *name) configSettings->endGroup(); connect(configApp, SIGNAL(aboutToQuit()), SLOT(saveSettings())); } - - has_dbg_info = 0; } void ConfigInfoView::saveSettings(void) @@ -955,13 +953,11 @@ void ConfigInfoView::setInfo(struct menu *m) if (menu == m) return; menu = m; - if (!menu) { - has_dbg_info = 0; + sym = NULL; + if (!menu) clear(); - } else { - has_dbg_info = 1; + else menuInfo(); - } } void ConfigInfoView::setSource(const QString& name) @@ -996,9 +992,6 @@ void ConfigInfoView::symbolInfo(void) { QString str; - if (!has_dbg_info) - return; - str += "<big>Symbol: <b>"; str += print_filter(sym->name); str += "</b></big><br><br>value: "; diff --git a/scripts/kconfig/qconf.h b/scripts/kconfig/qconf.h index a397edb5adc..6fc1c5f1442 100644 --- a/scripts/kconfig/qconf.h +++ b/scripts/kconfig/qconf.h @@ -273,8 +273,6 @@ protected: struct symbol *sym; struct menu *menu; bool _showDebug; - - int has_dbg_info; }; class ConfigSearchWindow : public QDialog { diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 15ab5d02e80..2aa47623f5f 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -582,9 +582,19 @@ static int strrcmp(const char *s, const char *sub) * tosec = .init.text | .exit.text | .init.data * fromsec = .data * atsym = *driver, *_template, *_sht, *_ops, *_probe, *probe_one + * + * Pattern 3: + * Some symbols belong to init section but still it is ok to reference + * these from non-init sections as these symbols don't have any memory + * allocated for them and symbol address and value are same. So even + * if init section is freed, its ok to reference those symbols. + * For ex. symbols marking the init section boundaries. + * This pattern is identified by + * refsymname = __init_begin, _sinittext, _einittext **/ static int secref_whitelist(const char *modname, const char *tosec, - const char *fromsec, const char *atsym) + const char *fromsec, const char *atsym, + const char *refsymname) { int f1 = 1, f2 = 1; const char **s; @@ -595,6 +605,14 @@ static int secref_whitelist(const char *modname, const char *tosec, "_ops", "_probe", "_probe_one", + "_console", + NULL + }; + + const char *pat3refsym[] = { + "__init_begin", + "_sinittext", + "_einittext", NULL }; @@ -628,6 +646,11 @@ static int secref_whitelist(const char *modname, const char *tosec, if ((strcmp(fromsec, ".pci_fixup") == 0) && (strcmp(tosec, ".init.text") == 0)) return 1; + + /* Check for pattern 3 */ + for (s = pat3refsym; *s; s++) + if (strcmp(refsymname, *s) == 0) + return 1; } return 0; } @@ -737,7 +760,7 @@ static void warn_sec_mismatch(const char *modname, const char *fromsec, /* check whitelist - we may ignore it */ if (before && secref_whitelist(modname, secname, fromsec, - elf->strtab + before->st_name)) + elf->strtab + before->st_name, refsymname)) return; if (before && after) { |