diff options
Diffstat (limited to 'arch/alpha')
44 files changed, 357 insertions, 545 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 443448154f3..75291fdd379 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -9,6 +9,8 @@ config ALPHA select HAVE_IDE select HAVE_OPROFILE select HAVE_SYSCALL_WRAPPERS + select HAVE_PERF_EVENTS + select HAVE_DMA_ATTRS help The Alpha is a 64-bit general-purpose processor designed and marketed by the Digital Equipment Corporation of blessed memory, @@ -57,6 +59,9 @@ config ZONE_DMA bool default y +config NEED_DMA_MAP_STATE + def_bool y + config GENERIC_ISA_DMA bool default y diff --git a/arch/alpha/boot/bootp.c b/arch/alpha/boot/bootp.c index 3af21c78933..be61670d409 100644 --- a/arch/alpha/boot/bootp.c +++ b/arch/alpha/boot/bootp.c @@ -8,8 +8,9 @@ * based significantly on the arch/alpha/boot/main.c of Linus Torvalds */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/string.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/mm.h> #include <asm/system.h> diff --git a/arch/alpha/boot/bootpz.c b/arch/alpha/boot/bootpz.c index 1036b515e20..c98865f2142 100644 --- a/arch/alpha/boot/bootpz.c +++ b/arch/alpha/boot/bootpz.c @@ -10,8 +10,9 @@ * and the decompression code from MILO. */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/string.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/mm.h> #include <asm/system.h> diff --git a/arch/alpha/boot/main.c b/arch/alpha/boot/main.c index 89f3be071ae..ded57d9a80e 100644 --- a/arch/alpha/boot/main.c +++ b/arch/alpha/boot/main.c @@ -6,8 +6,9 @@ * This file is the bootloader for the Linux/AXP kernel */ #include <linux/kernel.h> +#include <linux/slab.h> #include <linux/string.h> -#include <linux/utsrelease.h> +#include <generated/utsrelease.h> #include <linux/mm.h> #include <asm/system.h> diff --git a/arch/alpha/boot/misc.c b/arch/alpha/boot/misc.c index 3047a1b3a51..3ff9a957a25 100644 --- a/arch/alpha/boot/misc.c +++ b/arch/alpha/boot/misc.c @@ -19,6 +19,7 @@ */ #include <linux/kernel.h> +#include <linux/slab.h> #include <asm/uaccess.h> diff --git a/arch/alpha/include/asm/asm-offsets.h b/arch/alpha/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/alpha/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/alpha/include/asm/bug.h b/arch/alpha/include/asm/bug.h index 1720c8ad86f..f091682e3cc 100644 --- a/arch/alpha/include/asm/bug.h +++ b/arch/alpha/include/asm/bug.h @@ -13,7 +13,8 @@ "call_pal %0 # bugchk\n\t" \ ".long %1\n\t.8byte %2" \ : : "i"(PAL_bugchk), "i"(__LINE__), "i"(__FILE__)); \ - for ( ; ; ); } while (0) + unreachable(); \ + } while (0) #define HAVE_ARCH_BUG #endif diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h index b686cc7fc44..01d71e1c8a9 100644 --- a/arch/alpha/include/asm/cacheflush.h +++ b/arch/alpha/include/asm/cacheflush.h @@ -9,6 +9,7 @@ #define flush_cache_dup_mm(mm) do { } while (0) #define flush_cache_range(vma, start, end) do { } while (0) #define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 #define flush_dcache_page(page) do { } while (0) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) diff --git a/arch/alpha/include/asm/core_marvel.h b/arch/alpha/include/asm/core_marvel.h index 30d55fe7aaf..dad300fa14c 100644 --- a/arch/alpha/include/asm/core_marvel.h +++ b/arch/alpha/include/asm/core_marvel.h @@ -12,7 +12,6 @@ #define __ALPHA_MARVEL__H__ #include <linux/types.h> -#include <linux/pci.h> #include <linux/spinlock.h> #include <asm/compiler.h> diff --git a/arch/alpha/include/asm/core_mcpcia.h b/arch/alpha/include/asm/core_mcpcia.h index acf55b48347..21ac53383b3 100644 --- a/arch/alpha/include/asm/core_mcpcia.h +++ b/arch/alpha/include/asm/core_mcpcia.h @@ -6,7 +6,6 @@ #define MCPCIA_ONE_HAE_WINDOW 1 #include <linux/types.h> -#include <linux/pci.h> #include <asm/compiler.h> /* diff --git a/arch/alpha/include/asm/core_t2.h b/arch/alpha/include/asm/core_t2.h index 46bfff58f67..471c07292e0 100644 --- a/arch/alpha/include/asm/core_t2.h +++ b/arch/alpha/include/asm/core_t2.h @@ -435,7 +435,7 @@ extern inline void t2_outl(u32 b, unsigned long addr) set_hae(msb); \ } -extern spinlock_t t2_hae_lock; +extern raw_spinlock_t t2_hae_lock; /* * NOTE: take T2_DENSE_MEM off in each readX/writeX routine, since @@ -448,12 +448,12 @@ __EXTERN_INLINE u8 t2_readb(const volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long result, msb; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; result = *(vip) ((addr << 5) + T2_SPARSE_MEM + 0x00); - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); return __kernel_extbl(result, addr & 3); } @@ -462,12 +462,12 @@ __EXTERN_INLINE u16 t2_readw(const volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long result, msb; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08); - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); return __kernel_extwl(result, addr & 3); } @@ -480,12 +480,12 @@ __EXTERN_INLINE u32 t2_readl(const volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long result, msb; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; result = *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18); - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); return result & 0xffffffffUL; } @@ -494,14 +494,14 @@ __EXTERN_INLINE u64 t2_readq(const volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long r0, r1, work, msb; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; work = (addr << 5) + T2_SPARSE_MEM + 0x18; r0 = *(vuip)(work); r1 = *(vuip)(work + (4 << 5)); - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); return r1 << 32 | r0; } @@ -510,13 +510,13 @@ __EXTERN_INLINE void t2_writeb(u8 b, volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long msb, w; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; w = __kernel_insbl(b, addr & 3); *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x00) = w; - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); } __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr) @@ -524,13 +524,13 @@ __EXTERN_INLINE void t2_writew(u16 b, volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long msb, w; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; w = __kernel_inswl(b, addr & 3); *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x08) = w; - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); } /* @@ -542,12 +542,12 @@ __EXTERN_INLINE void t2_writel(u32 b, volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long msb; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; *(vuip) ((addr << 5) + T2_SPARSE_MEM + 0x18) = b; - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); } __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr) @@ -555,14 +555,14 @@ __EXTERN_INLINE void t2_writeq(u64 b, volatile void __iomem *xaddr) unsigned long addr = (unsigned long) xaddr - T2_DENSE_MEM; unsigned long msb, work; unsigned long flags; - spin_lock_irqsave(&t2_hae_lock, flags); + raw_spin_lock_irqsave(&t2_hae_lock, flags); t2_set_hae; work = (addr << 5) + T2_SPARSE_MEM + 0x18; *(vuip)work = b; *(vuip)(work + (4 << 5)) = b >> 32; - spin_unlock_irqrestore(&t2_hae_lock, flags); + raw_spin_unlock_irqrestore(&t2_hae_lock, flags); } __EXTERN_INLINE void __iomem *t2_ioportmap(unsigned long addr) diff --git a/arch/alpha/include/asm/core_titan.h b/arch/alpha/include/asm/core_titan.h index a17f6f33b68..8cf79d1219e 100644 --- a/arch/alpha/include/asm/core_titan.h +++ b/arch/alpha/include/asm/core_titan.h @@ -2,7 +2,6 @@ #define __ALPHA_TITAN__H__ #include <linux/types.h> -#include <linux/pci.h> #include <asm/compiler.h> /* diff --git a/arch/alpha/include/asm/core_tsunami.h b/arch/alpha/include/asm/core_tsunami.h index 58d4fe48742..8e39ecf0941 100644 --- a/arch/alpha/include/asm/core_tsunami.h +++ b/arch/alpha/include/asm/core_tsunami.h @@ -2,7 +2,6 @@ #define __ALPHA_TSUNAMI__H__ #include <linux/types.h> -#include <linux/pci.h> #include <asm/compiler.h> /* diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h index 04eb5681448..1bce8169733 100644 --- a/arch/alpha/include/asm/dma-mapping.h +++ b/arch/alpha/include/asm/dma-mapping.h @@ -1,71 +1,49 @@ #ifndef _ALPHA_DMA_MAPPING_H #define _ALPHA_DMA_MAPPING_H +#include <linux/dma-attrs.h> -#ifdef CONFIG_PCI +extern struct dma_map_ops *dma_ops; -#include <linux/pci.h> +static inline struct dma_map_ops *get_dma_ops(struct device *dev) +{ + return dma_ops; +} -#define dma_map_single(dev, va, size, dir) \ - pci_map_single(alpha_gendev_to_pci(dev), va, size, dir) -#define dma_unmap_single(dev, addr, size, dir) \ - pci_unmap_single(alpha_gendev_to_pci(dev), addr, size, dir) -#define dma_alloc_coherent(dev, size, addr, gfp) \ - __pci_alloc_consistent(alpha_gendev_to_pci(dev), size, addr, gfp) -#define dma_free_coherent(dev, size, va, addr) \ - pci_free_consistent(alpha_gendev_to_pci(dev), size, va, addr) -#define dma_map_page(dev, page, off, size, dir) \ - pci_map_page(alpha_gendev_to_pci(dev), page, off, size, dir) -#define dma_unmap_page(dev, addr, size, dir) \ - pci_unmap_page(alpha_gendev_to_pci(dev), addr, size, dir) -#define dma_map_sg(dev, sg, nents, dir) \ - pci_map_sg(alpha_gendev_to_pci(dev), sg, nents, dir) -#define dma_unmap_sg(dev, sg, nents, dir) \ - pci_unmap_sg(alpha_gendev_to_pci(dev), sg, nents, dir) -#define dma_supported(dev, mask) \ - pci_dma_supported(alpha_gendev_to_pci(dev), mask) -#define dma_mapping_error(dev, addr) \ - pci_dma_mapping_error(alpha_gendev_to_pci(dev), addr) +#include <asm-generic/dma-mapping-common.h> -#else /* no PCI - no IOMMU. */ +static inline void *dma_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) +{ + return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp); +} -#include <asm/io.h> /* for virt_to_phys() */ +static inline void dma_free_coherent(struct device *dev, size_t size, + void *vaddr, dma_addr_t dma_handle) +{ + get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle); +} -struct scatterlist; -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); -int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction); +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return get_dma_ops(dev)->mapping_error(dev, dma_addr); +} -#define dma_free_coherent(dev, size, va, addr) \ - free_pages((unsigned long)va, get_order(size)) -#define dma_supported(dev, mask) (mask < 0x00ffffffUL ? 0 : 1) -#define dma_map_single(dev, va, size, dir) virt_to_phys(va) -#define dma_map_page(dev, page, off, size, dir) (page_to_pa(page) + off) +static inline int dma_supported(struct device *dev, u64 mask) +{ + return get_dma_ops(dev)->dma_supported(dev, mask); +} -#define dma_unmap_single(dev, addr, size, dir) ((void)0) -#define dma_unmap_page(dev, addr, size, dir) ((void)0) -#define dma_unmap_sg(dev, sg, nents, dir) ((void)0) - -#define dma_mapping_error(dev, addr) (0) - -#endif /* !CONFIG_PCI */ +static inline int dma_set_mask(struct device *dev, u64 mask) +{ + return get_dma_ops(dev)->set_dma_mask(dev, mask); +} #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) #define dma_is_consistent(d, h) (1) -int dma_set_mask(struct device *dev, u64 mask); - -#define dma_sync_single_for_cpu(dev, addr, size, dir) ((void)0) -#define dma_sync_single_for_device(dev, addr, size, dir) ((void)0) -#define dma_sync_single_range(dev, addr, off, size, dir) ((void)0) -#define dma_sync_sg_for_cpu(dev, sg, nents, dir) ((void)0) -#define dma_sync_sg_for_device(dev, sg, nents, dir) ((void)0) #define dma_cache_sync(dev, va, size, dir) ((void)0) -#define dma_sync_single_range_for_cpu(dev, addr, offset, size, dir) ((void)0) -#define dma_sync_single_range_for_device(dev, addr, offset, size, dir) ((void)0) - #define dma_get_cache_alignment() L1_CACHE_BYTES #endif /* _ALPHA_DMA_MAPPING_H */ diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h index 5c75c1b2352..9baae8afe8a 100644 --- a/arch/alpha/include/asm/elf.h +++ b/arch/alpha/include/asm/elf.h @@ -81,7 +81,6 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_ALPHA -#define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 8192 /* This is the location that an ET_DYN program is loaded if exec'ed. Typical diff --git a/arch/alpha/include/asm/fcntl.h b/arch/alpha/include/asm/fcntl.h index 25da0017ec8..70145cbb21c 100644 --- a/arch/alpha/include/asm/fcntl.h +++ b/arch/alpha/include/asm/fcntl.h @@ -1,8 +1,6 @@ #ifndef _ALPHA_FCNTL_H #define _ALPHA_FCNTL_H -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ #define O_CREAT 01000 /* not fcntl */ #define O_TRUNC 02000 /* not fcntl */ #define O_EXCL 04000 /* not fcntl */ @@ -10,13 +8,28 @@ #define O_NONBLOCK 00004 #define O_APPEND 00010 -#define O_SYNC 040000 +#define O_DSYNC 040000 /* used to be O_SYNC, see below */ #define O_DIRECTORY 0100000 /* must be a directory */ #define O_NOFOLLOW 0200000 /* don't follow links */ #define O_LARGEFILE 0400000 /* will be set by the kernel on every open */ #define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */ #define O_NOATIME 04000000 #define O_CLOEXEC 010000000 /* set close_on_exec */ +/* + * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using + * the O_SYNC flag. We continue to use the existing numerical value + * for O_DSYNC semantics now, but using the correct symbolic name for it. + * This new value is used to request true Posix O_SYNC semantics. It is + * defined in this strange way to make sure applications compiled against + * new headers get at least O_DSYNC semantics on older kernels. + * + * This has the nice side-effect that we can simply test for O_DSYNC + * wherever we do not care if O_DSYNC or O_SYNC is used. + * + * Note: __O_SYNC must never be used directly. + */ +#define __O_SYNC 020000000 +#define O_SYNC (__O_SYNC|O_DSYNC) #define F_GETLK 7 #define F_SETLK 8 diff --git a/arch/alpha/include/asm/local.h b/arch/alpha/include/asm/local.h index 6ad3ea69642..b9e3e331837 100644 --- a/arch/alpha/include/asm/local.h +++ b/arch/alpha/include/asm/local.h @@ -98,21 +98,4 @@ static __inline__ long local_sub_return(long i, local_t * l) #define __local_add(i,l) ((l)->a.counter+=(i)) #define __local_sub(i,l) ((l)->a.counter-=(i)) -/* Use these for per-cpu local_t variables: on some archs they are - * much more efficient than these naive implementations. Note they take - * a variable, not an address. - */ -#define cpu_local_read(l) local_read(&__get_cpu_var(l)) -#define cpu_local_set(l, i) local_set(&__get_cpu_var(l), (i)) - -#define cpu_local_inc(l) local_inc(&__get_cpu_var(l)) -#define cpu_local_dec(l) local_dec(&__get_cpu_var(l)) -#define cpu_local_add(i, l) local_add((i), &__get_cpu_var(l)) -#define cpu_local_sub(i, l) local_sub((i), &__get_cpu_var(l)) - -#define __cpu_local_inc(l) __local_inc(&__get_cpu_var(l)) -#define __cpu_local_dec(l) __local_dec(&__get_cpu_var(l)) -#define __cpu_local_add(i, l) __local_add((i), &__get_cpu_var(l)) -#define __cpu_local_sub(i, l) __local_sub((i), &__get_cpu_var(l)) - #endif /* _ALPHA_LOCAL_H */ diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h index dd8dcabf160..28d0497fd3c 100644 --- a/arch/alpha/include/asm/pci.h +++ b/arch/alpha/include/asm/pci.h @@ -70,142 +70,11 @@ extern inline void pcibios_penalize_isa_irq(int irq, int active) decisions. */ #define PCI_DMA_BUS_IS_PHYS 0 -/* Allocate and map kernel buffer using consistent mode DMA for PCI - device. Returns non-NULL cpu-view pointer to the buffer if - successful and sets *DMA_ADDRP to the pci side dma address as well, - else DMA_ADDRP is undefined. */ - -extern void *__pci_alloc_consistent(struct pci_dev *, size_t, - dma_addr_t *, gfp_t); -static inline void * -pci_alloc_consistent(struct pci_dev *dev, size_t size, dma_addr_t *dma) -{ - return __pci_alloc_consistent(dev, size, dma, GFP_ATOMIC); -} - -/* Free and unmap a consistent DMA buffer. CPU_ADDR and DMA_ADDR must - be values that were returned from pci_alloc_consistent. SIZE must - be the same as what as passed into pci_alloc_consistent. - References to the memory and mappings associated with CPU_ADDR or - DMA_ADDR past this call are illegal. */ - -extern void pci_free_consistent(struct pci_dev *, size_t, void *, dma_addr_t); - -/* Map a single buffer of the indicate size for PCI DMA in streaming mode. - The 32-bit PCI bus mastering address to use is returned. Once the device - is given the dma address, the device owns this memory until either - pci_unmap_single or pci_dma_sync_single_for_cpu is performed. */ - -extern dma_addr_t pci_map_single(struct pci_dev *, void *, size_t, int); - -/* Likewise, but for a page instead of an address. */ -extern dma_addr_t pci_map_page(struct pci_dev *, struct page *, - unsigned long, size_t, int); - -/* Test for pci_map_single or pci_map_page having generated an error. */ - -static inline int -pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr) -{ - return dma_addr == 0; -} - -/* Unmap a single streaming mode DMA translation. The DMA_ADDR and - SIZE must match what was provided for in a previous pci_map_single - call. All other usages are undefined. After this call, reads by - the cpu to the buffer are guaranteed to see whatever the device - wrote there. */ - -extern void pci_unmap_single(struct pci_dev *, dma_addr_t, size_t, int); -extern void pci_unmap_page(struct pci_dev *, dma_addr_t, size_t, int); - -/* pci_unmap_{single,page} is not a nop, thus... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ - dma_addr_t ADDR_NAME; -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ - __u32 LEN_NAME; -#define pci_unmap_addr(PTR, ADDR_NAME) \ - ((PTR)->ADDR_NAME) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ - (((PTR)->ADDR_NAME) = (VAL)) -#define pci_unmap_len(PTR, LEN_NAME) \ - ((PTR)->LEN_NAME) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ - (((PTR)->LEN_NAME) = (VAL)) - -/* Map a set of buffers described by scatterlist in streaming mode for - PCI DMA. This is the scatter-gather version of the above - pci_map_single interface. Here the scatter gather list elements - are each tagged with the appropriate PCI dma address and length. - They are obtained via sg_dma_{address,length}(SG). - - NOTE: An implementation may be able to use a smaller number of DMA - address/length pairs than there are SG table elements. (for - example via virtual mapping capabilities) The routine returns the - number of addr/length pairs actually used, at most nents. - - Device ownership issues as mentioned above for pci_map_single are - the same here. */ - -extern int pci_map_sg(struct pci_dev *, struct scatterlist *, int, int); - -/* Unmap a set of streaming mode DMA translations. Again, cpu read - rules concerning calls here are the same as for pci_unmap_single() - above. */ - -extern void pci_unmap_sg(struct pci_dev *, struct scatterlist *, int, int); - -/* Make physical memory consistent for a single streaming mode DMA - translation after a transfer and device currently has ownership - of the buffer. - - If you perform a pci_map_single() but wish to interrogate the - buffer using the cpu, yet do not wish to teardown the PCI dma - mapping, you must call this function before doing so. At the next - point you give the PCI dma address back to the card, you must first - perform a pci_dma_sync_for_device, and then the device again owns - the buffer. */ - -static inline void -pci_dma_sync_single_for_cpu(struct pci_dev *dev, dma_addr_t dma_addr, - long size, int direction) -{ - /* Nothing to do. */ -} - -static inline void -pci_dma_sync_single_for_device(struct pci_dev *dev, dma_addr_t dma_addr, - size_t size, int direction) -{ - /* Nothing to do. */ -} - -/* Make physical memory consistent for a set of streaming mode DMA - translations after a transfer. The same as pci_dma_sync_single_* - but for a scatter-gather list, same rules and usage. */ - -static inline void -pci_dma_sync_sg_for_cpu(struct pci_dev *dev, struct scatterlist *sg, - int nents, int direction) -{ - /* Nothing to do. */ -} - -static inline void -pci_dma_sync_sg_for_device(struct pci_dev *dev, struct scatterlist *sg, - int nents, int direction) -{ - /* Nothing to do. */ -} - -/* Return whether the given PCI device DMA address mask can - be supported properly. For example, if your device can - only drive the low 24-bits during PCI bus mastering, then - you would pass 0x00ffffff as the mask to this function. */ +#ifdef CONFIG_PCI -extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask); +/* implement the pci_ DMA API in terms of the generic device dma_ one */ +#include <asm-generic/pci-dma-compat.h> -#ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, unsigned long *strategy_parameter) @@ -244,8 +113,6 @@ static inline int pci_proc_domain(struct pci_bus *bus) return hose->need_domain_info; } -struct pci_dev *alpha_gendev_to_pci(struct device *dev); - #endif /* __KERNEL__ */ /* Values for the `which' argument to sys_pciconfig_iobase. */ diff --git a/arch/alpha/include/asm/perf_event.h b/arch/alpha/include/asm/perf_event.h new file mode 100644 index 00000000000..3bef8522017 --- /dev/null +++ b/arch/alpha/include/asm/perf_event.h @@ -0,0 +1,9 @@ +#ifndef __ASM_ALPHA_PERF_EVENT_H +#define __ASM_ALPHA_PERF_EVENT_H + +/* Alpha only supports software events through this interface. */ +static inline void set_perf_event_pending(void) { } + +#define PERF_EVENT_INDEX_OFFSET 0 + +#endif /* __ASM_ALPHA_PERF_EVENT_H */ diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index 3f0c59f6d8a..71a24329414 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -329,7 +329,7 @@ extern pgd_t swapper_pg_dir[1024]; * tables contain all the necessary information. */ extern inline void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte) + unsigned long address, pte_t *ptep) { } diff --git a/arch/alpha/include/asm/ptrace.h b/arch/alpha/include/asm/ptrace.h index 32c7a5cddd5..65cf3e28e2f 100644 --- a/arch/alpha/include/asm/ptrace.h +++ b/arch/alpha/include/asm/ptrace.h @@ -68,6 +68,7 @@ struct switch_stack { #ifdef __KERNEL__ +#define arch_has_single_step() (1) #define user_mode(regs) (((regs)->ps & 8) != 0) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) diff --git a/arch/alpha/include/asm/socket.h b/arch/alpha/include/asm/socket.h index 26773e3246e..06edfefc337 100644 --- a/arch/alpha/include/asm/socket.h +++ b/arch/alpha/include/asm/socket.h @@ -67,6 +67,8 @@ #define SO_TIMESTAMPING 37 #define SCM_TIMESTAMPING SO_TIMESTAMPING +#define SO_RXQ_OVFL 40 + /* O_NONBLOCK clashes with the bits used for socket types. Therefore we * have to define SOCK_NONBLOCK to a different value here. */ diff --git a/arch/alpha/include/asm/spinlock.h b/arch/alpha/include/asm/spinlock.h index e38fb95cb33..d0faca1e992 100644 --- a/arch/alpha/include/asm/spinlock.h +++ b/arch/alpha/include/asm/spinlock.h @@ -12,18 +12,18 @@ * We make no fairness assumptions. They have a cost. */ -#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) -#define __raw_spin_is_locked(x) ((x)->lock != 0) -#define __raw_spin_unlock_wait(x) \ +#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) +#define arch_spin_is_locked(x) ((x)->lock != 0) +#define arch_spin_unlock_wait(x) \ do { cpu_relax(); } while ((x)->lock) -static inline void __raw_spin_unlock(raw_spinlock_t * lock) +static inline void arch_spin_unlock(arch_spinlock_t * lock) { mb(); lock->lock = 0; } -static inline void __raw_spin_lock(raw_spinlock_t * lock) +static inline void arch_spin_lock(arch_spinlock_t * lock) { long tmp; @@ -43,24 +43,24 @@ static inline void __raw_spin_lock(raw_spinlock_t * lock) : "m"(lock->lock) : "memory"); } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { return !test_and_set_bit(0, &lock->lock); } /***********************************************************/ -static inline int __raw_read_can_lock(raw_rwlock_t *lock) +static inline int arch_read_can_lock(arch_rwlock_t *lock) { return (lock->lock & 1) == 0; } -static inline int __raw_write_can_lock(raw_rwlock_t *lock) +static inline int arch_write_can_lock(arch_rwlock_t *lock) { return lock->lock == 0; } -static inline void __raw_read_lock(raw_rwlock_t *lock) +static inline void arch_read_lock(arch_rwlock_t *lock) { long regx; @@ -80,7 +80,7 @@ static inline void __raw_read_lock(raw_rwlock_t *lock) : "m" (*lock) : "memory"); } -static inline void __raw_write_lock(raw_rwlock_t *lock) +static inline void arch_write_lock(arch_rwlock_t *lock) { long regx; @@ -100,7 +100,7 @@ static inline void __raw_write_lock(raw_rwlock_t *lock) : "m" (*lock) : "memory"); } -static inline int __raw_read_trylock(raw_rwlock_t * lock) +static inline int arch_read_trylock(arch_rwlock_t * lock) { long regx; int success; @@ -122,7 +122,7 @@ static inline int __raw_read_trylock(raw_rwlock_t * lock) return success; } -static inline int __raw_write_trylock(raw_rwlock_t * lock) +static inline int arch_write_trylock(arch_rwlock_t * lock) { long regx; int success; @@ -144,7 +144,7 @@ static inline int __raw_write_trylock(raw_rwlock_t * lock) return success; } -static inline void __raw_read_unlock(raw_rwlock_t * lock) +static inline void arch_read_unlock(arch_rwlock_t * lock) { long regx; __asm__ __volatile__( @@ -160,17 +160,17 @@ static inline void __raw_read_unlock(raw_rwlock_t * lock) : "m" (*lock) : "memory"); } -static inline void __raw_write_unlock(raw_rwlock_t * lock) +static inline void arch_write_unlock(arch_rwlock_t * lock) { mb(); lock->lock = 0; } -#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock) -#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock) +#define arch_read_lock_flags(lock, flags) arch_read_lock(lock) +#define arch_write_lock_flags(lock, flags) arch_write_lock(lock) -#define _raw_spin_relax(lock) cpu_relax() -#define _raw_read_relax(lock) cpu_relax() -#define _raw_write_relax(lock) cpu_relax() +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() #endif /* _ALPHA_SPINLOCK_H */ diff --git a/arch/alpha/include/asm/spinlock_types.h b/arch/alpha/include/asm/spinlock_types.h index 8141eb5ebf0..54c2afce0a1 100644 --- a/arch/alpha/include/asm/spinlock_types.h +++ b/arch/alpha/include/asm/spinlock_types.h @@ -7,14 +7,14 @@ typedef struct { volatile unsigned int lock; -} raw_spinlock_t; +} arch_spinlock_t; -#define __RAW_SPIN_LOCK_UNLOCKED { 0 } +#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } typedef struct { volatile unsigned int lock; -} raw_rwlock_t; +} arch_rwlock_t; -#define __RAW_RW_LOCK_UNLOCKED { 0 } +#define __ARCH_RW_LOCK_UNLOCKED { 0 } #endif diff --git a/arch/alpha/include/asm/topology.h b/arch/alpha/include/asm/topology.h index 36b3a30ba0e..9251e13e144 100644 --- a/arch/alpha/include/asm/topology.h +++ b/arch/alpha/include/asm/topology.h @@ -28,6 +28,9 @@ static const struct cpumask *cpumask_of_node(int node) { int cpu; + if (node == -1) + return cpu_all_mask; + cpumask_clear(&node_to_cpumask_map[node]); for_each_online_cpu(cpu) { diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index 5b5c1748594..804e5311c84 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h @@ -247,6 +247,7 @@ #define __IGNORE_pause #define __IGNORE_time #define __IGNORE_utime +#define __IGNORE_umount2 /* * Linux-specific system calls begin at 300 @@ -433,10 +434,25 @@ #define __NR_signalfd 476 #define __NR_timerfd 477 #define __NR_eventfd 478 +#define __NR_recvmmsg 479 +#define __NR_fallocate 480 +#define __NR_timerfd_create 481 +#define __NR_timerfd_settime 482 +#define __NR_timerfd_gettime 483 +#define __NR_signalfd4 484 +#define __NR_eventfd2 485 +#define __NR_epoll_create1 486 +#define __NR_dup3 487 +#define __NR_pipe2 488 +#define __NR_inotify_init1 489 +#define __NR_preadv 490 +#define __NR_pwritev 491 +#define __NR_rt_tgsigqueueinfo 492 +#define __NR_perf_event_open 493 #ifdef __KERNEL__ -#define NR_SYSCALLS 479 +#define NR_SYSCALLS 494 #define __ARCH_WANT_IPC_PARSE_VERSION #define __ARCH_WANT_OLD_READDIR diff --git a/arch/alpha/kernel/core_t2.c b/arch/alpha/kernel/core_t2.c index d9980d47ab8..e6d90568b65 100644 --- a/arch/alpha/kernel/core_t2.c +++ b/arch/alpha/kernel/core_t2.c @@ -74,7 +74,7 @@ # define DBG(args) #endif -DEFINE_SPINLOCK(t2_hae_lock); +DEFINE_RAW_SPINLOCK(t2_hae_lock); static volatile unsigned int t2_mcheck_any_expected; static volatile unsigned int t2_mcheck_last_taken; diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index c0de072b830..7f912ba3d9a 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -18,7 +18,6 @@ #include <linux/sched.h> #include <linux/ptrace.h> #include <linux/interrupt.h> -#include <linux/slab.h> #include <linux/random.h> #include <linux/init.h> #include <linux/irq.h> @@ -81,7 +80,7 @@ show_interrupts(struct seq_file *p, void *v) #endif if (irq < ACTUAL_NR_IRQS) { - spin_lock_irqsave(&irq_desc[irq].lock, flags); + raw_spin_lock_irqsave(&irq_desc[irq].lock, flags); action = irq_desc[irq].action; if (!action) goto unlock; @@ -105,7 +104,7 @@ show_interrupts(struct seq_file *p, void *v) seq_putc(p, '\n'); unlock: - spin_unlock_irqrestore(&irq_desc[irq].lock, flags); + raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags); } else if (irq == ACTUAL_NR_IRQS) { #ifdef CONFIG_SMP seq_puts(p, "IPI: "); diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 9a3334ae282..de9d3971780 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -20,7 +20,6 @@ #include <linux/syscalls.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/utsname.h> #include <linux/time.h> @@ -37,6 +36,7 @@ #include <linux/uio.h> #include <linux/vfs.h> #include <linux/rcupdate.h> +#include <linux/slab.h> #include <asm/fpu.h> #include <asm/io.h> @@ -178,25 +178,18 @@ SYSCALL_DEFINE6(osf_mmap, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, unsigned long, fd, unsigned long, off) { - struct file *file = NULL; - unsigned long ret = -EBADF; + unsigned long ret = -EINVAL; #if 0 if (flags & (_MAP_HASSEMAPHORE | _MAP_INHERIT | _MAP_UNALIGNED)) printk("%s: unimplemented OSF mmap flags %04lx\n", current->comm, flags); #endif - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - down_write(¤t->mm->mmap_sem); - ret = do_mmap(file, addr, len, prot, flags, off); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); + if ((off + PAGE_ALIGN(len)) < off) + goto out; + if (off & ~PAGE_MASK) + goto out; + ret = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT); out: return ret; } @@ -368,7 +361,7 @@ osf_procfs_mount(char *dirname, struct procfs_args __user *args, int flags) SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path, int, flag, void __user *, data) { - int retval = -EINVAL; + int retval; char *name; name = getname(path); @@ -386,6 +379,7 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path, retval = osf_procfs_mount(name, data, flag); break; default: + retval = -EINVAL; printk("osf_mount(%ld, %x)\n", typenr, flag); } putname(name); diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c index c19a376520f..246100ef07c 100644 --- a/arch/alpha/kernel/pci-noop.c +++ b/arch/alpha/kernel/pci-noop.c @@ -7,6 +7,7 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/gfp.h> #include <linux/capability.h> #include <linux/mm.h> #include <linux/errno.h> @@ -106,58 +107,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn, return -ENODEV; } -/* Stubs for the routines in pci_iommu.c: */ - -void * -__pci_alloc_consistent(struct pci_dev *pdev, size_t size, - dma_addr_t *dma_addrp, gfp_t gfp) -{ - return NULL; -} - -void -pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu_addr, - dma_addr_t dma_addr) -{ -} - -dma_addr_t -pci_map_single(struct pci_dev *pdev, void *cpu_addr, size_t size, - int direction) -{ - return (dma_addr_t) 0; -} - -void -pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size, - int direction) -{ -} - -int -pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, - int direction) -{ - return 0; -} - -void -pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, - int direction) -{ -} - -int -pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask) -{ - return 0; -} - -/* Generic DMA mapping functions: */ - -void * -dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) +static void *alpha_noop_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t gfp) { void *ret; @@ -171,11 +122,22 @@ dma_alloc_coherent(struct device *dev, size_t size, return ret; } -EXPORT_SYMBOL(dma_alloc_coherent); +static void alpha_noop_free_coherent(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_addr) +{ + free_pages((unsigned long)cpu_addr, get_order(size)); +} + +static dma_addr_t alpha_noop_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir, + struct dma_attrs *attrs) +{ + return page_to_pa(page) + offset; +} -int -dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents, - enum dma_data_direction direction) +static int alpha_noop_map_sg(struct device *dev, struct scatterlist *sgl, int nents, + enum dma_data_direction dir, struct dma_attrs *attrs) { int i; struct scatterlist *sg; @@ -192,19 +154,37 @@ dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents, return nents; } -EXPORT_SYMBOL(dma_map_sg); +static int alpha_noop_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + return 0; +} + +static int alpha_noop_supported(struct device *dev, u64 mask) +{ + return mask < 0x00ffffffUL ? 0 : 1; +} -int -dma_set_mask(struct device *dev, u64 mask) +static int alpha_noop_set_mask(struct device *dev, u64 mask) { if (!dev->dma_mask || !dma_supported(dev, mask)) return -EIO; *dev->dma_mask = mask; - return 0; } -EXPORT_SYMBOL(dma_set_mask); + +struct dma_map_ops alpha_noop_ops = { + .alloc_coherent = alpha_noop_alloc_coherent, + .free_coherent = alpha_noop_free_coherent, + .map_page = alpha_noop_map_page, + .map_sg = alpha_noop_map_sg, + .mapping_error = alpha_noop_mapping_error, + .dma_supported = alpha_noop_supported, + .set_dma_mask = alpha_noop_set_mask, +}; + +struct dma_map_ops *dma_ops = &alpha_noop_ops; +EXPORT_SYMBOL(dma_ops); void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) { diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c index 6ea822e7f72..d979e7c7bc4 100644 --- a/arch/alpha/kernel/pci-sysfs.c +++ b/arch/alpha/kernel/pci-sysfs.c @@ -10,6 +10,7 @@ */ #include <linux/sched.h> +#include <linux/slab.h> #include <linux/pci.h> static int hose_mmap_page_range(struct pci_controller *hose, diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c index a91ba28999b..c9ab94ee1ca 100644 --- a/arch/alpha/kernel/pci.c +++ b/arch/alpha/kernel/pci.c @@ -126,8 +126,8 @@ DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_final); #define MB (1024*KB) #define GB (1024*MB) -void -pcibios_align_resource(void *data, struct resource *res, +resource_size_t +pcibios_align_resource(void *data, const struct resource *res, resource_size_t size, resource_size_t align) { struct pci_dev *dev = data; @@ -184,7 +184,7 @@ pcibios_align_resource(void *data, struct resource *res, } } - res->start = start; + return start; } #undef KB #undef MB diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c index 8449504f5e0..d1dbd9acd1d 100644 --- a/arch/alpha/kernel/pci_iommu.c +++ b/arch/alpha/kernel/pci_iommu.c @@ -5,7 +5,7 @@ #include <linux/kernel.h> #include <linux/mm.h> #include <linux/pci.h> -#include <linux/slab.h> +#include <linux/gfp.h> #include <linux/bootmem.h> #include <linux/scatterlist.h> #include <linux/log2.h> @@ -216,10 +216,30 @@ iommu_arena_free(struct pci_iommu_arena *arena, long ofs, long n) for (i = 0; i < n; ++i) p[i] = 0; } - -/* True if the machine supports DAC addressing, and DEV can - make use of it given MASK. */ -static int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask); + +/* + * True if the machine supports DAC addressing, and DEV can + * make use of it given MASK. + */ +static int pci_dac_dma_supported(struct pci_dev *dev, u64 mask) +{ + dma64_addr_t dac_offset = alpha_mv.pci_dac_offset; + int ok = 1; + + /* If this is not set, the machine doesn't support DAC at all. */ + if (dac_offset == 0) + ok = 0; + + /* The device has to be able to address our DAC bit. */ + if ((dac_offset & dev->dma_mask) != dac_offset) + ok = 0; + + /* If both conditions above are met, we are fine. */ + DBGA("pci_dac_dma_supported %s from %p\n", + ok ? "yes" : "no", __builtin_return_address(0)); + + return ok; +} /* Map a single buffer of the indicated size for PCI DMA in streaming mode. The 32-bit PCI bus mastering address to use is returned. @@ -301,23 +321,36 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size, return ret; } -dma_addr_t -pci_map_single(struct pci_dev *pdev, void *cpu_addr, size_t size, int dir) +/* Helper for generic DMA-mapping functions. */ +static struct pci_dev *alpha_gendev_to_pci(struct device *dev) { - int dac_allowed; + if (dev && dev->bus == &pci_bus_type) + return to_pci_dev(dev); - if (dir == PCI_DMA_NONE) - BUG(); + /* Assume that non-PCI devices asking for DMA are either ISA or EISA, + BUG() otherwise. */ + BUG_ON(!isa_bridge); - dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; - return pci_map_single_1(pdev, cpu_addr, size, dac_allowed); + /* Assume non-busmaster ISA DMA when dma_mask is not set (the ISA + bridge is bus master then). */ + if (!dev || !dev->dma_mask || !*dev->dma_mask) + return isa_bridge; + + /* For EISA bus masters, return isa_bridge (it might have smaller + dma_mask due to wiring limitations). */ + if (*dev->dma_mask >= isa_bridge->dma_mask) + return isa_bridge; + + /* This assumes ISA bus master with dma_mask 0xffffff. */ + return NULL; } -EXPORT_SYMBOL(pci_map_single); -dma_addr_t -pci_map_page(struct pci_dev *pdev, struct page *page, unsigned long offset, - size_t size, int dir) +static dma_addr_t alpha_pci_map_page(struct device *dev, struct page *page, + unsigned long offset, size_t size, + enum dma_data_direction dir, + struct dma_attrs *attrs) { + struct pci_dev *pdev = alpha_gendev_to_pci(dev); int dac_allowed; if (dir == PCI_DMA_NONE) @@ -327,7 +360,6 @@ pci_map_page(struct pci_dev *pdev, struct page *page, unsigned long offset, return pci_map_single_1(pdev, (char *)page_address(page) + offset, size, dac_allowed); } -EXPORT_SYMBOL(pci_map_page); /* Unmap a single streaming mode DMA translation. The DMA_ADDR and SIZE must match what was provided for in a previous pci_map_single @@ -335,16 +367,17 @@ EXPORT_SYMBOL(pci_map_page); the cpu to the buffer are guaranteed to see whatever the device wrote there. */ -void -pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size, - int direction) +static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction dir, + struct dma_attrs *attrs) { unsigned long flags; + struct pci_dev *pdev = alpha_gendev_to_pci(dev); struct pci_controller *hose = pdev ? pdev->sysdata : pci_isa_hose; struct pci_iommu_arena *arena; long dma_ofs, npages; - if (direction == PCI_DMA_NONE) + if (dir == PCI_DMA_NONE) BUG(); if (dma_addr >= __direct_map_base @@ -393,25 +426,16 @@ pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size, DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %p\n", dma_addr, size, npages, __builtin_return_address(0)); } -EXPORT_SYMBOL(pci_unmap_single); - -void -pci_unmap_page(struct pci_dev *pdev, dma_addr_t dma_addr, - size_t size, int direction) -{ - pci_unmap_single(pdev, dma_addr, size, direction); -} -EXPORT_SYMBOL(pci_unmap_page); /* Allocate and map kernel buffer using consistent mode DMA for PCI device. Returns non-NULL cpu-view pointer to the buffer if successful and sets *DMA_ADDRP to the pci side dma address as well, else DMA_ADDRP is undefined. */ -void * -__pci_alloc_consistent(struct pci_dev *pdev, size_t size, - dma_addr_t *dma_addrp, gfp_t gfp) +static void *alpha_pci_alloc_coherent(struct device *dev, size_t size, + dma_addr_t *dma_addrp, gfp_t gfp) { + struct pci_dev *pdev = alpha_gendev_to_pci(dev); void *cpu_addr; long order = get_order(size); @@ -439,13 +463,12 @@ try_again: gfp |= GFP_DMA; goto try_again; } - + DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %p\n", size, cpu_addr, *dma_addrp, __builtin_return_address(0)); return cpu_addr; } -EXPORT_SYMBOL(__pci_alloc_consistent); /* Free and unmap a consistent DMA buffer. CPU_ADDR and DMA_ADDR must be values that were returned from pci_alloc_consistent. SIZE must @@ -453,17 +476,16 @@ EXPORT_SYMBOL(__pci_alloc_consistent); References to the memory and mappings associated with CPU_ADDR or DMA_ADDR past this call are illegal. */ -void -pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu_addr, - dma_addr_t dma_addr) +static void alpha_pci_free_coherent(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_addr) { + struct pci_dev *pdev = alpha_gendev_to_pci(dev); pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL); free_pages((unsigned long)cpu_addr, get_order(size)); DBGA2("pci_free_consistent: [%llx,%zx] from %p\n", dma_addr, size, __builtin_return_address(0)); } -EXPORT_SYMBOL(pci_free_consistent); /* Classify the elements of the scatterlist. Write dma_address of each element with: @@ -626,23 +648,21 @@ sg_fill(struct device *dev, struct scatterlist *leader, struct scatterlist *end, return 1; } -int -pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, - int direction) +static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs) { + struct pci_dev *pdev = alpha_gendev_to_pci(dev); struct scatterlist *start, *end, *out; struct pci_controller *hose; struct pci_iommu_arena *arena; dma_addr_t max_dma; int dac_allowed; - struct device *dev; - if (direction == PCI_DMA_NONE) + if (dir == PCI_DMA_NONE) BUG(); - dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; - - dev = pdev ? &pdev->dev : NULL; + dac_allowed = dev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; /* Fast path single entry scatterlists. */ if (nents == 1) { @@ -699,19 +719,19 @@ pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, /* Some allocation failed while mapping the scatterlist entries. Unmap them now. */ if (out > start) - pci_unmap_sg(pdev, start, out - start, direction); + pci_unmap_sg(pdev, start, out - start, dir); return 0; } -EXPORT_SYMBOL(pci_map_sg); /* Unmap a set of streaming mode DMA translations. Again, cpu read rules concerning calls here are the same as for pci_unmap_single() above. */ -void -pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, - int direction) +static void alpha_pci_unmap_sg(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, + struct dma_attrs *attrs) { + struct pci_dev *pdev = alpha_gendev_to_pci(dev); unsigned long flags; struct pci_controller *hose; struct pci_iommu_arena *arena; @@ -719,7 +739,7 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, dma_addr_t max_dma; dma_addr_t fbeg, fend; - if (direction == PCI_DMA_NONE) + if (dir == PCI_DMA_NONE) BUG(); if (! alpha_mv.mv_pci_tbi) @@ -783,15 +803,13 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents, DBGA("pci_unmap_sg: %ld entries\n", nents - (end - sg)); } -EXPORT_SYMBOL(pci_unmap_sg); - /* Return whether the given PCI device DMA address mask can be supported properly. */ -int -pci_dma_supported(struct pci_dev *pdev, u64 mask) +static int alpha_pci_supported(struct device *dev, u64 mask) { + struct pci_dev *pdev = alpha_gendev_to_pci(dev); struct pci_controller *hose; struct pci_iommu_arena *arena; @@ -818,7 +836,6 @@ pci_dma_supported(struct pci_dev *pdev, u64 mask) return 0; } -EXPORT_SYMBOL(pci_dma_supported); /* @@ -918,66 +935,32 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count) return 0; } -/* True if the machine supports DAC addressing, and DEV can - make use of it given MASK. */ - -static int -pci_dac_dma_supported(struct pci_dev *dev, u64 mask) -{ - dma64_addr_t dac_offset = alpha_mv.pci_dac_offset; - int ok = 1; - - /* If this is not set, the machine doesn't support DAC at all. */ - if (dac_offset == 0) - ok = 0; - - /* The device has to be able to address our DAC bit. */ - if ((dac_offset & dev->dma_mask) != dac_offset) - ok = 0; - - /* If both conditions above are met, we are fine. */ - DBGA("pci_dac_dma_supported %s from %p\n", - ok ? "yes" : "no", __builtin_return_address(0)); - - return ok; -} - -/* Helper for generic DMA-mapping functions. */ - -struct pci_dev * -alpha_gendev_to_pci(struct device *dev) +static int alpha_pci_mapping_error(struct device *dev, dma_addr_t dma_addr) { - if (dev && dev->bus == &pci_bus_type) - return to_pci_dev(dev); - - /* Assume that non-PCI devices asking for DMA are either ISA or EISA, - BUG() otherwise. */ - BUG_ON(!isa_bridge); - - /* Assume non-busmaster ISA DMA when dma_mask is not set (the ISA - bridge is bus master then). */ - if (!dev || !dev->dma_mask || !*dev->dma_mask) - return isa_bridge; - - /* For EISA bus masters, return isa_bridge (it might have smaller - dma_mask due to wiring limitations). */ - if (*dev->dma_mask >= isa_bridge->dma_mask) - return isa_bridge; - - /* This assumes ISA bus master with dma_mask 0xffffff. */ - return NULL; + return dma_addr == 0; } -EXPORT_SYMBOL(alpha_gendev_to_pci); -int -dma_set_mask(struct device *dev, u64 mask) +static int alpha_pci_set_mask(struct device *dev, u64 mask) { if (!dev->dma_mask || !pci_dma_supported(alpha_gendev_to_pci(dev), mask)) return -EIO; *dev->dma_mask = mask; - return 0; } -EXPORT_SYMBOL(dma_set_mask); + +struct dma_map_ops alpha_pci_ops = { + .alloc_coherent = alpha_pci_alloc_coherent, + .free_coherent = alpha_pci_free_coherent, + .map_page = alpha_pci_map_page, + .unmap_page = alpha_pci_unmap_page, + .map_sg = alpha_pci_map_sg, + .unmap_sg = alpha_pci_unmap_sg, + .mapping_error = alpha_pci_mapping_error, + .dma_supported = alpha_pci_supported, + .set_dma_mask = alpha_pci_set_mask, +}; + +struct dma_map_ops *dma_ops = &alpha_pci_ops; +EXPORT_SYMBOL(dma_ops); diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c index 289039bb6bb..395a464353b 100644 --- a/arch/alpha/kernel/process.c +++ b/arch/alpha/kernel/process.c @@ -17,7 +17,6 @@ #include <linux/stddef.h> #include <linux/unistd.h> #include <linux/ptrace.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/time.h> #include <linux/major.h> @@ -28,6 +27,7 @@ #include <linux/reboot.h> #include <linux/tty.h> #include <linux/console.h> +#include <linux/slab.h> #include <asm/reg.h> #include <asm/uaccess.h> diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c index e072041d19f..baa903602f6 100644 --- a/arch/alpha/kernel/ptrace.c +++ b/arch/alpha/kernel/ptrace.c @@ -11,7 +11,6 @@ #include <linux/errno.h> #include <linux/ptrace.h> #include <linux/user.h> -#include <linux/slab.h> #include <linux/security.h> #include <linux/signal.h> @@ -249,6 +248,17 @@ ptrace_cancel_bpt(struct task_struct * child) return (nsaved != 0); } +void user_enable_single_step(struct task_struct *child) +{ + /* Mark single stepping. */ + task_thread_info(child)->bpt_nsaved = -1; +} + +void user_disable_single_step(struct task_struct *child) +{ + ptrace_cancel_bpt(child); +} + /* * Called by kernel/ptrace.c when detaching.. * @@ -256,7 +266,7 @@ ptrace_cancel_bpt(struct task_struct * child) */ void ptrace_disable(struct task_struct *child) { - ptrace_cancel_bpt(child); + user_disable_single_step(child); } long arch_ptrace(struct task_struct *child, long request, long addr, long data) @@ -295,52 +305,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) DBG(DBG_MEM, ("poke $%ld<-%#lx\n", addr, data)); ret = put_reg(child, addr, data); break; - - case PTRACE_SYSCALL: - /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: /* restart after signal. */ - ret = -EIO; - if (!valid_signal(data)) - break; - if (request == PTRACE_SYSCALL) - set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - else - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - /* make sure single-step breakpoint is gone. */ - ptrace_cancel_bpt(child); - wake_up_process(child); - ret = 0; - break; - - /* - * Make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to - * exit. - */ - case PTRACE_KILL: - ret = 0; - if (child->exit_state == EXIT_ZOMBIE) - break; - child->exit_code = SIGKILL; - /* make sure single-step breakpoint is gone. */ - ptrace_cancel_bpt(child); - wake_up_process(child); - break; - - case PTRACE_SINGLESTEP: /* execute single instruction. */ - ret = -EIO; - if (!valid_signal(data)) - break; - /* Mark single stepping. */ - task_thread_info(child)->bpt_nsaved = -1; - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - child->exit_code = data; - wake_up_process(child); - /* give it a chance to run. */ - ret = 0; - break; - default: ret = ptrace_request(child, request, addr, data); break; diff --git a/arch/alpha/kernel/smc37c669.c b/arch/alpha/kernel/smc37c669.c index bca5bda90cd..0435921d41c 100644 --- a/arch/alpha/kernel/smc37c669.c +++ b/arch/alpha/kernel/smc37c669.c @@ -3,7 +3,6 @@ */ #include <linux/kernel.h> -#include <linux/slab.h> #include <linux/mm.h> #include <linux/init.h> #include <linux/delay.h> diff --git a/arch/alpha/kernel/smc37c93x.c b/arch/alpha/kernel/smc37c93x.c index 2636cc028d0..3e6a2893af9 100644 --- a/arch/alpha/kernel/smc37c93x.c +++ b/arch/alpha/kernel/smc37c93x.c @@ -4,7 +4,6 @@ #include <linux/kernel.h> -#include <linux/slab.h> #include <linux/mm.h> #include <linux/init.h> #include <linux/delay.h> diff --git a/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c index d12af472e1c..4afc1a1e2e5 100644 --- a/arch/alpha/kernel/srm_env.c +++ b/arch/alpha/kernel/srm_env.c @@ -30,9 +30,11 @@ */ #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/module.h> #include <linux/init.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <asm/console.h> #include <asm/uaccess.h> #include <asm/machvec.h> @@ -79,42 +81,41 @@ static srm_env_t srm_named_entries[] = { static srm_env_t srm_numbered_entries[256]; -static int -srm_env_read(char *page, char **start, off_t off, int count, int *eof, - void *data) +static int srm_env_proc_show(struct seq_file *m, void *v) { - int nbytes; unsigned long ret; srm_env_t *entry; + char *page; - if (off != 0) { - *eof = 1; - return 0; - } + entry = (srm_env_t *)m->private; + page = (char *)__get_free_page(GFP_USER); + if (!page) + return -ENOMEM; - entry = (srm_env_t *) data; - ret = callback_getenv(entry->id, page, count); + ret = callback_getenv(entry->id, page, PAGE_SIZE); if ((ret >> 61) == 0) { - nbytes = (int) ret; - *eof = 1; + seq_write(m, page, ret); + ret = 0; } else - nbytes = -EFAULT; + ret = -EFAULT; + free_page((unsigned long)page); + return ret; +} - return nbytes; +static int srm_env_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, srm_env_proc_show, PDE(inode)->data); } -static int -srm_env_write(struct file *file, const char __user *buffer, unsigned long count, - void *data) +static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *pos) { int res; - srm_env_t *entry; + srm_env_t *entry = PDE(file->f_path.dentry->d_inode)->data; char *buf = (char *) __get_free_page(GFP_USER); unsigned long ret1, ret2; - entry = (srm_env_t *) data; - if (!buf) return -ENOMEM; @@ -140,6 +141,15 @@ srm_env_write(struct file *file, const char __user *buffer, unsigned long count, return res; } +static const struct file_operations srm_env_proc_fops = { + .owner = THIS_MODULE, + .open = srm_env_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = srm_env_proc_write, +}; + static void srm_env_cleanup(void) { @@ -245,15 +255,10 @@ srm_env_init(void) */ entry = srm_named_entries; while (entry->name && entry->id) { - entry->proc_entry = create_proc_entry(entry->name, - 0644, named_dir); + entry->proc_entry = proc_create_data(entry->name, 0644, named_dir, + &srm_env_proc_fops, entry); if (!entry->proc_entry) goto cleanup; - - entry->proc_entry->data = (void *) entry; - entry->proc_entry->read_proc = srm_env_read; - entry->proc_entry->write_proc = srm_env_write; - entry++; } @@ -264,15 +269,12 @@ srm_env_init(void) entry = &srm_numbered_entries[var_num]; entry->name = number[var_num]; - entry->proc_entry = create_proc_entry(entry->name, - 0644, numbered_dir); + entry->proc_entry = proc_create_data(entry->name, 0644, numbered_dir, + &srm_env_proc_fops, entry); if (!entry->proc_entry) goto cleanup; entry->id = var_num; - entry->proc_entry->data = (void *) entry; - entry->proc_entry->read_proc = srm_env_read; - entry->proc_entry->write_proc = srm_env_write; } printk(KERN_INFO "%s: version %s loaded successfully\n", NAME, diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c index d64e1e497e7..4026502ab70 100644 --- a/arch/alpha/kernel/sys_dp264.c +++ b/arch/alpha/kernel/sys_dp264.c @@ -224,7 +224,7 @@ static void dp264_device_interrupt(unsigned long vector) { #if 1 - printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n"); + printk("dp264_device_interrupt: NOT IMPLEMENTED YET!!\n"); #else unsigned long pld; unsigned int i; diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c index 288053342c8..9008d0f20c5 100644 --- a/arch/alpha/kernel/sys_titan.c +++ b/arch/alpha/kernel/sys_titan.c @@ -171,7 +171,7 @@ titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity) static void titan_device_interrupt(unsigned long vector) { - printk("titan_device_interrupt: NOT IMPLEMENTED YET!! \n"); + printk("titan_device_interrupt: NOT IMPLEMENTED YET!!\n"); } static void diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S index 95c9aef1c10..09acb786e72 100644 --- a/arch/alpha/kernel/systbls.S +++ b/arch/alpha/kernel/systbls.S @@ -495,8 +495,23 @@ sys_call_table: .quad sys_epoll_pwait .quad sys_utimensat /* 475 */ .quad sys_signalfd - .quad sys_ni_syscall + .quad sys_ni_syscall /* sys_timerfd */ .quad sys_eventfd + .quad sys_recvmmsg + .quad sys_fallocate /* 480 */ + .quad sys_timerfd_create + .quad sys_timerfd_settime + .quad sys_timerfd_gettime + .quad sys_signalfd4 + .quad sys_eventfd2 /* 485 */ + .quad sys_epoll_create1 + .quad sys_dup3 + .quad sys_pipe2 + .quad sys_inotify_init1 + .quad sys_preadv /* 490 */ + .quad sys_pwritev + .quad sys_rt_tgsigqueueinfo + .quad sys_perf_event_open .size sys_call_table, . - sys_call_table .type sys_call_table, @object diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c index 6ee7655b756..b14f015008a 100644 --- a/arch/alpha/kernel/traps.c +++ b/arch/alpha/kernel/traps.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/kallsyms.h> +#include <linux/ratelimit.h> #include <asm/gentrap.h> #include <asm/uaccess.h> @@ -771,8 +772,7 @@ asmlinkage void do_entUnaUser(void __user * va, unsigned long opcode, unsigned long reg, struct pt_regs *regs) { - static int cnt = 0; - static unsigned long last_time; + static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); unsigned long tmp1, tmp2, tmp3, tmp4; unsigned long fake_reg, *reg_addr = &fake_reg; @@ -783,15 +783,11 @@ do_entUnaUser(void __user * va, unsigned long opcode, with the unaliged access. */ if (!test_thread_flag (TIF_UAC_NOPRINT)) { - if (cnt >= 5 && time_after(jiffies, last_time + 5 * HZ)) { - cnt = 0; - } - if (++cnt < 5) { + if (__ratelimit(&ratelimit)) { printk("%s(%d): unaligned trap at %016lx: %p %lx %ld\n", current->comm, task_pid_nr(current), regs->pc - 4, va, opcode, reg); } - last_time = jiffies; } if (test_thread_flag (TIF_UAC_SIGBUS)) goto give_sigbus; diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index a0902c20d67..86425ab53bf 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <linux/bootmem.h> /* max_low_pfn */ #include <linux/vmalloc.h> +#include <linux/gfp.h> #include <asm/system.h> #include <asm/uaccess.h> diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c index 10b403554b6..7b2c56d8f93 100644 --- a/arch/alpha/mm/numa.c +++ b/arch/alpha/mm/numa.c @@ -197,7 +197,7 @@ setup_memory_node(int nid, void *kernel_end) } if (bootmap_start == -1) - panic("couldn't find a contigous place for the bootmap"); + panic("couldn't find a contiguous place for the bootmap"); /* Allocate the bootmap and mark the whole MM as reserved. */ bootmap_size = init_bootmem_node(NODE_DATA(nid), bootmap_start, |