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2011-07-25lib: make _tolower() publicAndy Shevchenko1-0/+9
This function is required by *printf and kstrto* functions that are located in the different modules. This patch makes _tolower() public. However, it's good idea to not use the helper outside of mentioned functions. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25arch/arm/mach-ux500/board-u5500.c: calibrate ALS input voltageShreshtha Kumar Sahu1-0/+5
Provide the support for auto calibration of ALS Zone boundaries based on min/max ALS input voltage. Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Lee Jones <lee.jones@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25notifiers: vt: move vt notifiers into vt.hAmerigo Wang2-7/+9
It is not necessary to share the same notifier.h. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: David Miller <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25notifiers: pm: move pm notifiers into suspend.hAmerigo Wang2-8/+10
It is not necessary to share the same notifier.h. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: David Miller <davem@davemloft.net> Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25notifiers: sys: move reboot notifiers into reboot.hAmerigo Wang2-4/+6
It is not necessary to share the same notifier.h. This patch already moves register_reboot_notifier() and unregister_reboot_notifier() from kernel/notifier.c to kernel/sys.c. [amwang@redhat.com: make allyesconfig succeed on ppc64] Signed-off-by: WANG Cong <amwang@redhat.com> Cc: David Miller <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: WANG Cong <amwang@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25notifiers: net: move netdevice notifiers into netdevice.hAmerigo Wang2-30/+34
It is not necessary to share the same notifier.h. Signed-off-by: WANG Cong <amwang@redhat.com> Acked-by: David Miller <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25notifiers: cpu: move cpu notifiers into cpu.hAmerigo Wang2-32/+35
We presently define all kinds of notifiers in notifier.h. This is not necessary at all, since different subsystems use different notifiers, they are almost non-related with each other. This can also save much build time. Suppose I add a new netdevice event, really I don't have to recompile all the source, just network related. Without this patch, all the source will be recompiled. I move the notify events near to their subsystem notifier registers, so that they can be found more easily. This patch: It is not necessary to share the same notifier.h. Signed-off-by: WANG Cong <amwang@redhat.com> Cc: David Miller <davem@davemloft.net> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25drivers/misc: add support the FSA9480 USB SwitchDonggeun Kim1-0/+27
The FSA9480 is a USB port accessory detector and switch. This patch adds support the FSA9480 USB Switch. [akpm@linux-foundation.org: make a couple of things static] Signed-off-by: Donggeun Kim <dg77.kim@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25include/linux/kernel.h: hide internal macros from userspaceArnaud Lacombe1-22/+21
Unexpose to userland the following macros - __FUNCTION__ - NUMA_BUILD - COMPACTION_BUILD - REBUILD_DUE_TO_FTRACE_MCOUNT_RECORD Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Christoph Lameter <cl@linux.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Steven Rostedt <rostedt@goodmis.org> Acked-by: WANG Cong <xiyou.wangcong@gmail.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25include/linux/kernel.h: fix a headers_check warningWANG Cong1-23/+24
Fix the warning: usr/include/linux/kernel.h:65: userspace cannot reference function or variable defined in the kernel As Michal noted, BUILD_BUG_ON stuffs should be moved under #ifdef __KERNEL__. Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25include/linux/ioport.h: new helper to define common struct resource constructsUwe Kleine-König1-0/+30
Resource definitions that just define start, end and flags = IORESOURCE_MEM or IORESOURCE_IRQ (with start=end) are quite common. So introduce a shortcut for them. For completeness add macros for IORESOURCE_DMA and IORESOURCE_IO, too and also make available a set of macros to specify named resources of all types which are less common. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25asm-generic/system.h: drop useless __KERNEL__Mike Frysinger1-2/+0
This header isn't exported to user-space, and even if it was, the __KERNEL__ check covers the entire file, so we'd get a useless stub in the first place. So punt it. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25tmpfs: clone shmem_file_splice_read()Hugh Dickins1-0/+2
Copy __generic_file_splice_read() and generic_file_splice_read() from fs/splice.c to shmem_file_splice_read() in mm/shmem.c. Make page_cache_pipe_buf_ops and spd_release_page() accessible to it. Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Jens Axboe <jaxboe@fusionio.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm/futex: fix futex writes on archs with SW tracking of dirty & youngBenjamin Herrenschmidt1-0/+2
I haven't reproduced it myself but the fail scenario is that on such machines (notably ARM and some embedded powerpc), if you manage to hit that futex path on a writable page whose dirty bit has gone from the PTE, you'll livelock inside the kernel from what I can tell. It will go in a loop of trying the atomic access, failing, trying gup to "fix it up", getting succcess from gup, go back to the atomic access, failing again because dirty wasn't fixed etc... So I think you essentially hang in the kernel. The scenario is probably rare'ish because affected architecture are embedded and tend to not swap much (if at all) so we probably rarely hit the case where dirty is missing or young is missing, but I think Shan has a piece of SW that can reliably reproduce it using a shared writable mapping & fork or something like that. On archs who use SW tracking of dirty & young, a page without dirty is effectively mapped read-only and a page without young unaccessible in the PTE. Additionally, some architectures might lazily flush the TLB when relaxing write protection (by doing only a local flush), and expect a fault to invalidate the stale entry if it's still present on another processor. The futex code assumes that if the "in_atomic()" access -EFAULT's, it can "fix it up" by causing get_user_pages() which would then be equivalent to taking the fault. However that isn't the case. get_user_pages() will not call handle_mm_fault() in the case where the PTE seems to have the right permissions, regardless of the dirty and young state. It will eventually update those bits ... in the struct page, but not in the PTE. Additionally, it will not handle the lazy TLB flushing that can be required by some architectures in the fault case. Basically, gup is the wrong interface for the job. The patch provides a more appropriate one which boils down to just calling handle_mm_fault() since what we are trying to do is simulate a real page fault. The futex code currently attempts to write to user memory within a pagefault disabled section, and if that fails, tries to fix it up using get_user_pages(). This doesn't work on archs where the dirty and young bits are maintained by software, since they will gate access permission in the TLB, and will not be updated by gup(). In addition, there's an expectation on some archs that a spurious write fault triggers a local TLB flush, and that is missing from the picture as well. I decided that adding those "features" to gup() would be too much for this already too complex function, and instead added a new simpler fixup_user_fault() which is essentially a wrapper around handle_mm_fault() which the futex code can call. [akpm@linux-foundation.org: coding-style fixes] [akpm@linux-foundation.org: fix some nits Darren saw, fiddle comment layout] Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Reported-by: Shan Hai <haishan.bai@gmail.com> Tested-by: Shan Hai <haishan.bai@gmail.com> Cc: David Laight <David.Laight@ACULAB.COM> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Darren Hart <darren.hart@intel.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm: truncate functions are in truncate.cHugh Dickins1-2/+1
Correct comment on truncate_inode_pages*() in linux/mm.h; and remove declaration of page_unuse(), it didn't exist even in 2.2.26 or 2.4.0! Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm: cleanup descriptions of filler argHugh Dickins1-7/+5
The often-NULL data arg to read_cache_page() and read_mapping_page() functions is misdescribed as "destination for read data": no, it's the first arg to the filler function, often struct file * to ->readpage(). Satisfy checkpatch.pl on those filler prototypes, and tidy up the declarations in linux/pagemap.h. Signed-off-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm/memblock.c: avoid abuse of RED_INACTIVEAndrew Morton1-0/+6
RED_INACTIVE is a slab thing, and reusing it for memblock was inappropriate, because memblock is dealing with phys_addr_t's which have a Kconfigurable sizeof(). Create a new poison type for this application. Fixes the sparse warning warning: cast truncates bits from constant value (9f911029d74e35b becomes 9d74e35b) Reported-by: H Hartley Sweeten <hartleys@visionengravers.com> Tested-by: H Hartley Sweeten <hartleys@visionengravers.com> Acked-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25oom: remove references to old badness() functionDavid Rientjes1-4/+0
The badness() function in the oom killer was renamed to oom_badness() in a63d83f427fb ("oom: badness heuristic rewrite") since it is a globally exported function for clarity. The prototype for the old function still existed in linux/oom.h, so remove it. There are no existing users. Also fixes documentation and comment references to badness() and adjusts them accordingly. Signed-off-by: David Rientjes <rientjes@google.com> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25pagewalk: add locking-rule commentsKOSAKI Motohiro1-0/+2
Originally, walk_hugetlb_range() didn't require a caller take any lock. But commit d33b9f45bd ("mm: hugetlb: fix hugepage memory leak in walk_page_range") changed its rule. Because it added find_vma() call in walk_hugetlb_range(). Any locking-rule change commit should write a doc too. [akpm@linux-foundation.org: clarify comment] Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Hiroyuki Kamezawa <kamezawa.hiroyuki@gmail.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25xen/balloon: memory hotplug support for Xen balloon driverDaniel Kiper1-0/+4
Memory hotplug support for Xen balloon driver. It should be mentioned that hotplugged memory is not onlined automatically. It should be onlined by user through standard sysfs interface. Memory could be hotplugged in following steps: 1) dom0: xl mem-max <domU> <maxmem> where <maxmem> is >= requested memory size, 2) dom0: xl mem-set <domU> <memory> where <memory> is requested memory size; alternatively memory could be added by writing proper value to /sys/devices/system/xen_memory/xen_memory0/target or /sys/devices/system/xen_memory/xen_memory0/target_kb on dumU, 3) domU: for i in /sys/devices/system/memory/memory*/state; do \ [ "`cat "$i"`" = offline ] && echo online > "$i"; done Memory could be onlined automatically on domU by adding following line to udev rules: SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /sys$devpath/state'" In that case step 3 should be omitted. Signed-off-by: Daniel Kiper <dkiper@net-space.pl> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm: extend memory hotplug API to allow memory hotplug in virtual machinesDaniel Kiper1-2/+9
This patch contains online_page_callback and apropriate functions for registering/unregistering online page callbacks. It allows to do some machine specific tasks during online page stage which is required to implement memory hotplug in virtual machines. Currently this patch is required by latest memory hotplug support for Xen balloon driver patch which will be posted soon. Additionally, originial online_page() function was splited into following functions doing "atomic" operations: - __online_page_set_limits() - set new limits for memory management code, - __online_page_increment_counters() - increment totalram_pages and totalhigh_pages, - __online_page_free() - free page to allocator. It was done to: - not duplicate existing code, - ease hotplug code devolpment by usage of well defined interface, - avoid stupid bugs which are unavoidable when the same code (by design) is developed in many places. [akpm@linux-foundation.org: use explicit indirect-call syntax] Signed-off-by: Daniel Kiper <dkiper@net-space.pl> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm: use const struct page for r/o page-flag accessor methodsIan Campbell1-2/+2
In a subsquent patch I have a const struct page in my hand... [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Michel Lespinasse <walken@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25mm: make some struct page's constIan Campbell1-6/+6
These uses are read-only and in a subsequent patch I have a const struct page in my hand... [akpm@linux-foundation.org: fix warnings in lowmem_page_address()] Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: Rik van Riel <riel@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Michel Lespinasse <walken@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25hugetlb: add phys addr to struct huge_bootmem_pageBecky Bruce1-0/+3
This is needed on HIGHMEM systems - we don't always have a virtual address so store the physical address and map it in as needed. [akpm@linux-foundation.org: cleanup] Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds8-17/+209
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (145 commits) bnx2x: use pci_pcie_cap() bnx2x: fix bnx2x_stop_on_error flow in bnx2x_sp_rtnl_task bnx2x: enable internal target-read for 57712 and up only bnx2x: count statistic ramrods on EQ to prevent MC assert bnx2x: fix loopback for non 10G link bnx2x: dcb - send all unmapped priorities to same COS as L2 iwlwifi: Fix build with CONFIG_PM disabled. gre: fix improper error handling ipv4: use RT_TOS after some rt_tos conversions via-velocity: remove duplicated #include qlge: remove duplicated #include igb: remove duplicated #include can: c_can: remove duplicated #include bnad: remove duplicated #include net: allow netif_carrier to be called safely from IRQ bna: Header File Consolidation bna: HW Error Counter Fix bna: Add HW Semaphore Unlock Logic bna: IOC Event Name Change bna: Mboxq Flush When IOC Disabled ...
2011-07-24Merge branch 'upstream-linus' of ↵Linus Torvalds1-14/+54
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: ata: PATA_ARASAN_CF depends on DMADEVICES ata: remove unnecessary code [libata] Prevent warning during PMP error recovery ahci: RAID-mode SATA patch for Intel Panther Point DeviceIDs pata_it821x: Fix RAID type display, by adding missing comma sata_dwc_460ex: fix error path ahci: Enable SB600 64bit DMA on Asus M3A libata: report link resume failure as KERN_WARNING instead of ERR ahci: move ahci_sb600_softreset to libahci.c and rename it libata: leave port thawed after reset failure ata: sata_via: Use dev_dbg ata: Add and use ata_print_version_once ata: Convert ata_<foo>_printk(KERN_<LEVEL> to ata_<foo>_<level> ata: Convert dev_printk(KERN_<LEVEL> to dev_<level>(
2011-07-24Merge branch 'for-upstream' of git://openrisc.net/jonas/linuxLinus Torvalds3-2/+48
* 'for-upstream' of git://openrisc.net/jonas/linux: (24 commits) OpenRISC: Add MAINTAINERS entry OpenRISC: Miscellaneous OpenRISC: Library routines OpenRISC: Headers OpenRISC: Traps OpenRISC: Module support OpenRISC: GPIO OpenRISC: Scheduling/Process management OpenRISC: Idle/Power management OpenRISC: System calls OpenRISC: IRQ OpenRISC: Timekeeping OpenRISC: DMA OpenRISC: PTrace OpenRISC: Build infrastructure OpenRISC: Signal handling OpenRISC: Memory management OpenRISC: Device tree OpenRISC: Boot code iomap: make IOPORT/PCI mapping functions conditional ...
2011-07-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linusLinus Torvalds2-12/+19
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: modpost: Fix modpost's license checking V3 module: add /sys/module/<name>/uevent files module: change attr callbacks to take struct module_kobject modules: make arch's use default loader hooks modules: add default loader hook implementations param: fix return value handling in param_set_*
2011-07-24Merge branch 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds2-7/+21
* 'kvm-updates/3.1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (143 commits) KVM: IOMMU: Disable device assignment without interrupt remapping KVM: MMU: trace mmio page fault KVM: MMU: mmio page fault support KVM: MMU: reorganize struct kvm_shadow_walk_iterator KVM: MMU: lockless walking shadow page table KVM: MMU: do not need atomicly to set/clear spte KVM: MMU: introduce the rules to modify shadow page table KVM: MMU: abstract some functions to handle fault pfn KVM: MMU: filter out the mmio pfn from the fault pfn KVM: MMU: remove bypass_guest_pf KVM: MMU: split kvm_mmu_free_page KVM: MMU: count used shadow pages on prepareing path KVM: MMU: rename 'pt_write' to 'emulate' KVM: MMU: cleanup for FNAME(fetch) KVM: MMU: optimize to handle dirty bit KVM: MMU: cache mmio info on page fault path KVM: x86: introduce vcpu_mmio_gva_to_gpa to cleanup the code KVM: MMU: do not update slot bitmap if spte is nonpresent KVM: MMU: fix walking shadow page table KVM guest: KVM Steal time registration ...
2011-07-24Merge branch 'upstream/xen-tracing2' of ↵Linus Torvalds1-0/+504
git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen * 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen/trace: use class for multicall trace xen/trace: convert mmu events to use DECLARE_EVENT_CLASS()/DEFINE_EVENT() xen/multicall: move *idx fields to start of mc_buffer xen/multicall: special-case singleton hypercalls xen/multicalls: add unlikely around slowpath in __xen_mc_entry() xen/multicalls: disable MC_DEBUG xen/mmu: tune pgtable alloc/release xen/mmu: use extend_args for more mmuext updates xen/trace: add tlb flush tracepoints xen/trace: add segment desc tracing xen/trace: add xen_pgd_(un)pin tracepoints xen/trace: add ptpage alloc/release tracepoints xen/trace: add mmu tracepoints xen/trace: add multicall tracing xen/trace: set up tracepoint skeleton xen/multicalls: remove debugfs stats trace/xen: add skeleton for Xen trace events
2011-07-24module: add /sys/module/<name>/uevent filesKay Sievers1-0/+1
Userspace wants to manage module parameters with udev rules. This currently only works for loaded modules, but not for built-in ones. To allow access to the built-in modules we need to re-trigger all module load events that happened before any userspace was running. We already do the same thing for all devices, subsystems(buses) and drivers. This adds the currently missing /sys/module/<name>/uevent files to all module entries. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split & trivial fix)
2011-07-24module: change attr callbacks to take struct module_kobjectKay Sievers1-11/+12
This simplifies the next patch, where we have an attribute on a builtin module (ie. module == NULL). Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split into 2)
2011-07-24modules: add default loader hook implementationsJonas Bonn1-1/+6
The module loader code allows architectures to hook into the code by providing a small number of entry points that each arch must implement. This patch provides __weakly linked generic implementations of these entry points for architectures that don't need to do anything special. Signed-off-by: Jonas Bonn <jonas@southpole.se> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2011-07-24KVM: MMU: filter out the mmio pfn from the fault pfnXiao Guangrong1-0/+5
If the page fault is caused by mmio, the gfn can not be found in memslots, and 'bad_pfn' is returned on gfn_to_hva path, so we can use 'bad_pfn' to identify the mmio page fault. And, to clarify the meaning of mmio pfn, we return fault page instead of bad page when the gfn is not allowd to prefetch Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-07-23ata: Add and use ata_print_version_onceJoe Perches1-0/+12
Use a single mechanism to show driver version. Reduces text a tiny bit too. Remove uses of static int printed_version Add and use ata_print_version(const struct device *, const char *ver) and ata_print_version_once. $ size drivers/ata/built-in.* text data bss dec hex filename 544969 73893 116584 735446 b38d6 drivers/ata/built-in.allyesconfig.ata.o 543870 73893 116592 734355 b34ad drivers/ata/built-in.allyesconfig.print_once.o 141328 14689 4220 160237 271ed drivers/ata/built-in.defconfig.ata.o 141212 14689 4220 160121 27179 drivers/ata/built-in.defconfig.print_once.o Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-07-23ata: Convert ata_<foo>_printk(KERN_<LEVEL> to ata_<foo>_<level>Joe Perches1-14/+42
Saves text by removing nearly duplicated text format strings by creating ata_<foo>_printk functions and printf extension %pV. ata defconfig size shrinks ~5% (~8KB), allyesconfig ~2.5% (~13KB) Format string duplication comes from: #define ata_link_printk(link, lv, fmt, args...) do { \ if (sata_pmp_attached((link)->ap) || (link)->ap->slave_link) \ printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \ (link)->pmp , ##args); \ else \ printk("%sata%u: "fmt, lv, (link)->ap->print_id , ##args); \ } while(0) Coalesce long formats. $ size drivers/ata/built-in.* text data bss dec hex filename 544969 73893 116584 735446 b38d6 drivers/ata/built-in.allyesconfig.ata.o 558429 73893 117864 750186 b726a drivers/ata/built-in.allyesconfig.dev_level.o 141328 14689 4220 160237 271ed drivers/ata/built-in.defconfig.ata.o 149567 14689 4220 168476 2921c drivers/ata/built-in.defconfig.dev_level.o Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2011-07-23Merge branch 'for-linus' of ↵Linus Torvalds1-0/+82
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regulator: Convert tps65023 to use regmap API regmap: Add SPI bus support regmap: Add I2C bus support regmap: Add generic non-memory mapped register access API
2011-07-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds4-13/+31
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (77 commits) [SCSI] fix crash in scsi_dispatch_cmd() [SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwise [SCSI] bnx2i: Fixed kernel panic due to illegal usage of sc->request->cpu [SCSI] bfa: Update the driver version to 3.0.2.1 [SCSI] bfa: Driver and BSG enhancements. [SCSI] bfa: Added support to query PHY. [SCSI] bfa: Added HBA diagnostics support. [SCSI] bfa: Added support for flash configuration [SCSI] bfa: Added support to obtain SFP info. [SCSI] bfa: Added support for CEE info and stats query. [SCSI] bfa: Extend BSG interface. [SCSI] bfa: FCS bug fixes. [SCSI] bfa: DMA memory allocation enhancement. [SCSI] bfa: Brocade-1860 Fabric Adapter vHBA support. [SCSI] bfa: Brocade-1860 Fabric Adapter PLL init fixes. [SCSI] bfa: Added Fabric Assigned Address(FAA) support [SCSI] bfa: IOC bug fixes. [SCSI] bfa: Enable ASIC block configuration and query. [SCSI] bnx2i: Updated copyright and bump version [SCSI] bnx2i: Modified to skip CNIC registration if iSCSI is not supported ... Fix up some trivial conflicts in: - drivers/scsi/bnx2fc/{bnx2fc.h,bnx2fc_fcoe.c}: Crazy broadcom version number conflicts - drivers/target/tcm_fc/tfc_cmd.c Just trivial cleanups done on adjacent lines
2011-07-23Merge branch 'for-linus' of ↵Linus Torvalds6-8/+112
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (297 commits) ALSA: asihpi - Replace with snd_ctl_boolean_mono_info() ALSA: asihpi - HPI version 4.08 ALSA: asihpi - Add volume mute controls ALSA: asihpi - Control name updates ALSA: asihpi - Use size_t for sizeof result ALSA: asihpi - Explicitly include mutex.h ALSA: asihpi - Add new node and message defines ALSA: asihpi - Make local function static ALSA: asihpi - Fix minor typos and spelling ALSA: asihpi - Remove unused structures, macros and functions ALSA: asihpi - Remove spurious adapter index check ALSA: asihpi - Revise snd_pcm_debug_name, get rid of DEBUG_NAME macro ALSA: asihpi - DSP code loader API now independent of OS ALSA: asihpi - Remove controlex structs and associated special data transfer code ALSA: asihpi - Increase request and response buffer sizes ALSA: asihpi - Give more meaningful name to hpi request message type ALSA: usb-audio - Add quirk for Roland / BOSS BR-800 ALSA: hda - Remove a superfluous argument of via_auto_init_output() ALSA: hda - Fix indep-HP path (de-)activation for VT1708* codecs ALSA: hda - Add documentation for codec-specific mixer controls ...
2011-07-23Merge branch 'for-linus' of ↵Linus Torvalds3-183/+24
git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs: net/9p: Fix the msize calculation. fs/9p: add 9P2000.L unlinkat operation fs/9p: add 9P2000.L renameat operation fs/9p: Always ask new inode in create fs/9p: Clean-up get_protocol_version() to use strcmp fs/9p: Fix invalid mount options/args fs/9p: When doing inode lookup compare qid details and inode mode bits. fs/9p: Fid is not valid after a failed clunk. net/9p: Remove structure not used in the code VirtIO can transfer VIRTQUEUE_NUM of pages. Fix the size of receive buffer packing onto VirtIO ring. 9p: clean up packet dump code fs/9p: remove rename work around in 9p net/9p: fix client code to fail more gracefully on protocol error
2011-07-23Merge branch 'timers-clocksource-for-linus' of ↵Linus Torvalds1-0/+56
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: clocksource: apb: Share APB timer code with other platforms
2011-07-23Merge branches 'x86-urgent-for-linus', 'core-debug-for-linus', ↵Linus Torvalds1-5/+0
'irq-core-for-linus' and 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: um: Make rwsem.S depend on CONFIG_RWSEM_XCHGADD_ALGORITHM * 'core-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: debug: Make CONFIG_EXPERT select CONFIG_DEBUG_KERNEL to unhide debug options * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: genirq: Remove unused CHECK_IRQ_PER_CPU() * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf tools, x86: Fix 32-bit compile on 64-bit system
2011-07-23Merge branch 'scsi-fixes'James Bottomley22-35/+108
2011-07-23fs/9p: add 9P2000.L unlinkat operationAneesh Kumar K.V2-0/+3
unlinkat - Remove a directory entry size[4] Tunlinkat tag[2] dirfid[4] name[s] flag[4] size[4] Runlinkat tag[2] older Tremove have the below request format size[4] Tremove tag[2] fid[4] The remove message is used to remove a directory entry either file or directory The remove opreation is actually a directory opertation and should ideally have dirfid, if not we cannot represent the fid on server with anything other than name. We will have to derive the directory name from fid in the Tremove request. NOTE: The operation doesn't clunk the unlink fid. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23fs/9p: add 9P2000.L renameat operationAneesh Kumar K.V2-1/+6
renameat - change name of file or directory size[4] Trenameat tag[2] olddirfid[4] oldname[s] newdirfid[4] newname[s] size[4] Rrenameat tag[2] older Trename have the below request format size[4] Trename tag[2] fid[4] newdirfid[4] name[s] The rename message is used to change the name of a file, possibly moving it to a new directory. The rename opreation is actually a directory opertation and should ideally have olddirfid, if not we cannot represent the fid on server with anything other than name. We will have to derive the old directory name from fid in the Trename request. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23fs/9p: Clean-up get_protocol_version() to use strcmpPrem Karat2-4/+4
Signed-off-by: Prem Karat <prem.karat@linux.vnet.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23net/9p: Remove structure not used in the codeAneesh Kumar K.V1-178/+5
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-239p: clean up packet dump codeEric Van Hensbergen1-0/+6
Switch to generic kernel hexdump library and cleanup macros to be more consistent with the way we do normal debug prints. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2011-07-23regmap: Add SPI bus supportMark Brown1-0/+4
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca>
2011-07-23regmap: Add I2C bus supportMark Brown1-0/+4
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@ti.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Grant Likely <grant.likely@secretlab.ca>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 21:20:45 +0000