* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] ata_piix: add map 01b for ICH7M
[libata] sata_mv: errata check buglet fix
bool
default n
+config GENERIC_TIME
+ bool
+ default y
+
config TIME_LOW_RES
bool
default y
#define TICK_SIZE (tick_nsec / 1000)
-extern unsigned long wall_jiffies;
-
unsigned long __nongprelbss __clkin_clock_speed_HZ;
unsigned long __nongprelbss __ext_bus_clock_speed_HZ;
unsigned long __nongprelbss __res_bus_clock_speed_HZ;
time_divisor_init();
}
-/*
- * This version of gettimeofday has near microsecond resolution.
- */
-void do_gettimeofday(struct timeval *tv)
-{
- unsigned long seq;
- unsigned long usec, sec;
- unsigned long max_ntp_tick;
-
- do {
- unsigned long lost;
-
- seq = read_seqbegin(&xtime_lock);
-
- usec = 0;
- lost = jiffies - wall_jiffies;
-
- /*
- * If time_adjust is negative then NTP is slowing the clock
- * so make sure not to go into next possible interval.
- * Better to lose some accuracy than have time go backwards..
- */
- if (unlikely(time_adjust < 0)) {
- max_ntp_tick = (USEC_PER_SEC / HZ) - tickadj;
- usec = min(usec, max_ntp_tick);
-
- if (lost)
- usec += lost * max_ntp_tick;
- }
- else if (unlikely(lost))
- usec += lost * (USEC_PER_SEC / HZ);
-
- sec = xtime.tv_sec;
- usec += (xtime.tv_nsec / 1000);
- } while (read_seqretry(&xtime_lock, seq));
-
- while (usec >= 1000000) {
- usec -= 1000000;
- sec++;
- }
-
- tv->tv_sec = sec;
- tv->tv_usec = usec;
-}
-
-EXPORT_SYMBOL(do_gettimeofday);
-
-int do_settimeofday(struct timespec *tv)
-{
- time_t wtm_sec, sec = tv->tv_sec;
- long wtm_nsec, nsec = tv->tv_nsec;
-
- if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
- return -EINVAL;
-
- write_seqlock_irq(&xtime_lock);
- /*
- * This is revolting. We need to set "xtime" correctly. However, the
- * value in this location is the value at the most recent update of
- * wall time. Discover what correction gettimeofday() would have
- * made, and then undo it!
- */
- nsec -= 0 * NSEC_PER_USEC;
- nsec -= (jiffies - wall_jiffies) * TICK_NSEC;
-
- wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
- wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
-
- set_normalized_timespec(&xtime, sec, nsec);
- set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
-
- ntp_clear();
- write_sequnlock_irq(&xtime_lock);
- clock_was_set();
- return 0;
-}
-
-EXPORT_SYMBOL(do_settimeofday);
-
/*
* Scheduler clock - returns current time in nanosec units.
*/
data8 sys_ni_syscall // 1295 reserved for ppoll
data8 sys_unshare
data8 sys_splice
- data8 sys_set_robust_list
- data8 sys_get_robust_list
+ data8 sys_ni_syscall // reserved for set_robust_list
+ data8 sys_ni_syscall // reserved for get_robust_list
data8 sys_sync_file_range // 1300
data8 sys_tee
data8 sys_vmsplice
;;
srlz.i
;;
+ {
+ flushrs // must be first insn in group
+ srlz.i
+ }
+ ;;
/*
* Save the region registers, predicate before they get clobbered
*/
if (likely(ctx)) {
DPRINT(("context unlocked\n"));
UNPROTECT_CTX(ctx, flags);
- fput(file);
}
/* copy argument back to user, if needed */
if (call_made && PFM_CMD_RW_ARG(cmd) && copy_to_user(arg, args_k, base_sz*count)) ret = -EFAULT;
error_args:
+ if (file)
+ fput(file);
+
kfree(args_k);
DPRINT(("cmd=%s ret=%ld\n", PFM_CMD_NAME(cmd), ret));
return retval;
}
+int ia64_mmap_check(unsigned long addr, unsigned long len,
+ unsigned long flags)
+{
+ unsigned long roff;
+
+ /*
+ * Don't permit mappings into unmapped space, the virtual page table
+ * of a region, or across a region boundary. Note: RGN_MAP_LIMIT is
+ * equal to 2^n-PAGE_SIZE (for some integer n <= 61) and len > 0.
+ */
+ roff = REGION_OFFSET(addr);
+ if ((len > RGN_MAP_LIMIT) || (roff > (RGN_MAP_LIMIT - len)))
+ return -EINVAL;
+ return 0;
+}
+
static inline unsigned long
do_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, unsigned long pgoff)
{
- unsigned long roff;
struct file *file = NULL;
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
goto out;
}
- /*
- * Don't permit mappings into unmapped space, the virtual page table of a region,
- * or across a region boundary. Note: RGN_MAP_LIMIT is equal to 2^n-PAGE_SIZE
- * (for some integer n <= 61) and len > 0.
- */
- roff = REGION_OFFSET(addr);
- if ((len > RGN_MAP_LIMIT) || (roff > (RGN_MAP_LIMIT - len))) {
- addr = -EINVAL;
- goto out;
- }
-
down_write(¤t->mm->mmap_sem);
addr = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(¤t->mm->mmap_sem);
* Also sets up a few fields in the nodepda. Also known as
* platform_cpu_init() by the ia64 machvec code.
*/
-void __init sn_cpu_init(void)
+void __cpuinit sn_cpu_init(void)
{
int cpuid;
int cpuphyid;
return err;
}
+int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
+{
+ if (ARCH_SUN4C_SUN4 &&
+ (len > 0x20000000 ||
+ ((flags & MAP_FIXED) &&
+ addr < 0xe0000000 && addr + len > 0x20000000)))
+ return -EINVAL;
+
+ /* See asm-sparc/uaccess.h */
+ if (len > TASK_SIZE - PAGE_SIZE || addr + len > TASK_SIZE - PAGE_SIZE)
+ return -EINVAL;
+
+ return 0;
+}
+
/* Linux version of mmap */
static unsigned long do_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
goto out;
}
- retval = -EINVAL;
len = PAGE_ALIGN(len);
- if (ARCH_SUN4C_SUN4 &&
- (len > 0x20000000 ||
- ((flags & MAP_FIXED) &&
- addr < 0xe0000000 && addr + len > 0x20000000)))
- goto out_putf;
-
- /* See asm-sparc/uaccess.h */
- if (len > TASK_SIZE - PAGE_SIZE || addr + len > TASK_SIZE - PAGE_SIZE)
- goto out_putf;
-
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
down_write(¤t->mm->mmap_sem);
retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
up_write(¤t->mm->mmap_sem);
-out_putf:
if (file)
fput(file);
out:
return ret;
}
+int sparc64_mmap_check(unsigned long addr, unsigned long len,
+ unsigned long flags)
+{
+ if (test_thread_flag(TIF_32BIT)) {
+ if (len >= STACK_TOP32)
+ return -EINVAL;
+
+ if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
+ return -EINVAL;
+ } else {
+ if (len >= VA_EXCLUDE_START)
+ return -EINVAL;
+
+ if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
/* Linux version of mmap */
asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
}
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
len = PAGE_ALIGN(len);
- retval = -EINVAL;
-
- if (test_thread_flag(TIF_32BIT)) {
- if (len >= STACK_TOP32)
- goto out_putf;
-
- if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
- goto out_putf;
- } else {
- if (len >= VA_EXCLUDE_START)
- goto out_putf;
-
- if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
- goto out_putf;
- }
down_write(¤t->mm->mmap_sem);
retval = do_mmap(file, addr, len, prot, flags, off);
up_write(¤t->mm->mmap_sem);
-out_putf:
if (file)
fput(file);
out:
break;
case ide_floppy:media = "floppy\n";
break;
+ case ide_optical:media = "optical\n";
+ break;
default: media = "UNKNOWN\n";
break;
}
return d->init_setup(dev, d);
}
-static const struct pci_device_id aec62xx_pci_tbl[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
- { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860), 1 },
- { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R), 2 },
- { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865), 3 },
- { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R), 4 },
+static struct pci_device_id aec62xx_pci_tbl[] = {
+ { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
+ { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
+ { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
+ { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 },
+ { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);
}
static struct pci_device_id svwks_pci_tbl[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
- { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 1},
- { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2},
- { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 3},
- { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 4},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
+ { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
{ 0, },
};
MODULE_DEVICE_TABLE(pci, svwks_pci_tbl);
}
static struct pci_device_id siimage_pci_tbl[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680), 0},
+ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_680, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
#ifdef CONFIG_BLK_DEV_IDE_SATA
- { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_3112), 1},
- { PCI_DEVICE(PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_1210SA), 2},
+ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
+ { PCI_VENDOR_ID_CMD, PCI_DEVICE_ID_SII_1210SA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
#endif
{ 0, },
};
u8 chipset_family;
u8 flags;
} SiSHostChipInfo[] = {
+ { "SiS968", PCI_DEVICE_ID_SI_968, ATA_133 },
+ { "SiS966", PCI_DEVICE_ID_SI_966, ATA_133 },
{ "SiS965", PCI_DEVICE_ID_SI_965, ATA_133 },
{ "SiS745", PCI_DEVICE_ID_SI_745, ATA_100 },
{ "SiS735", PCI_DEVICE_ID_SI_735, ATA_100 },
you will need a newer firmware image.
You may get this image or more information, at:
- <http://www.myri.com/Myri-10G/>
+ <http://www.myri.com/scs/download-Myri10GE.html>
To compile this driver as a module, choose M here and read
<file:Documentation/networking/net-modules.txt>. The module
static void vt6420_error_handler(struct ata_port *ap);
static const struct pci_device_id svia_pci_tbl[] = {
+ { 0x1106, 0x0591, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6420 },
{ 0x1106, 0x3149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6420 },
{ 0x1106, 0x3249, PCI_ANY_ID, PCI_ANY_ID, 0, 0, vt6421 },
buffer_trace_init(&dummy.b_history);
err = ext3_get_blocks_handle(handle, inode, block, 1,
&dummy, create, 1);
- if (err == 1) {
+ /*
+ * ext3_get_blocks_handle() returns number of blocks
+ * mapped. 0 in case of a HOLE.
+ */
+ if (err > 0) {
+ if (err > 1)
+ WARN_ON(1);
err = 0;
- } else if (err >= 0) {
- WARN_ON(1);
- err = -EIO;
}
*errp = err;
if (!err && buffer_mapped(&dummy)) {
return atomic_dec_and_test(&dreq->io_count);
}
-/*
- * "size" is never larger than rsize or wsize.
- */
-static inline int nfs_direct_count_pages(unsigned long user_addr, size_t size)
-{
- int page_count;
-
- page_count = (user_addr + size + PAGE_SIZE - 1) >> PAGE_SHIFT;
- page_count -= user_addr >> PAGE_SHIFT;
- BUG_ON(page_count < 0);
-
- return page_count;
-}
-
-static inline unsigned int nfs_max_pages(unsigned int size)
-{
- return (size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
-}
-
/**
* nfs_direct_IO - NFS address space operation for direct I/O
* @rw: direction (read or write)
struct nfs_open_context *ctx = dreq->ctx;
struct inode *inode = ctx->dentry->d_inode;
size_t rsize = NFS_SERVER(inode)->rsize;
- unsigned int rpages = nfs_max_pages(rsize);
unsigned int pgbase;
int result;
ssize_t started = 0;
get_dreq(dreq);
- pgbase = user_addr & ~PAGE_MASK;
do {
struct nfs_read_data *data;
size_t bytes;
+ pgbase = user_addr & ~PAGE_MASK;
+ bytes = min(rsize,count);
+
result = -ENOMEM;
- data = nfs_readdata_alloc(rpages);
+ data = nfs_readdata_alloc(pgbase + bytes);
if (unlikely(!data))
break;
- bytes = rsize;
- if (count < rsize)
- bytes = count;
-
- data->npages = nfs_direct_count_pages(user_addr, bytes);
down_read(¤t->mm->mmap_sem);
result = get_user_pages(current, current->mm, user_addr,
data->npages, 1, 0, data->pagevec, NULL);
started += bytes;
user_addr += bytes;
pos += bytes;
+ /* FIXME: Remove this unnecessary math from final patch */
pgbase += bytes;
pgbase &= ~PAGE_MASK;
+ BUG_ON(pgbase != (user_addr & ~PAGE_MASK));
count -= bytes;
} while (count != 0);
static void nfs_alloc_commit_data(struct nfs_direct_req *dreq)
{
- dreq->commit_data = nfs_commit_alloc(0);
+ dreq->commit_data = nfs_commit_alloc();
if (dreq->commit_data != NULL)
dreq->commit_data->req = (struct nfs_page *) dreq;
}
struct nfs_open_context *ctx = dreq->ctx;
struct inode *inode = ctx->dentry->d_inode;
size_t wsize = NFS_SERVER(inode)->wsize;
- unsigned int wpages = nfs_max_pages(wsize);
unsigned int pgbase;
int result;
ssize_t started = 0;
get_dreq(dreq);
- pgbase = user_addr & ~PAGE_MASK;
do {
struct nfs_write_data *data;
size_t bytes;
+ pgbase = user_addr & ~PAGE_MASK;
+ bytes = min(wsize,count);
+
result = -ENOMEM;
- data = nfs_writedata_alloc(wpages);
+ data = nfs_writedata_alloc(pgbase + bytes);
if (unlikely(!data))
break;
- bytes = wsize;
- if (count < wsize)
- bytes = count;
-
- data->npages = nfs_direct_count_pages(user_addr, bytes);
down_read(¤t->mm->mmap_sem);
result = get_user_pages(current, current->mm, user_addr,
data->npages, 0, 0, data->pagevec, NULL);
started += bytes;
user_addr += bytes;
pos += bytes;
+
+ /* FIXME: Remove this useless math from the final patch */
pgbase += bytes;
pgbase &= ~PAGE_MASK;
+ BUG_ON(pgbase != (user_addr & ~PAGE_MASK));
count -= bytes;
} while (count != 0);
#define MIN_POOL_READ (32)
-struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
+struct nfs_read_data *nfs_readdata_alloc(size_t len)
{
+ unsigned int pagecount = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, SLAB_NOFS);
if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
+ p->npages = pagecount;
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
int result;
struct nfs_read_data *rdata;
- rdata = nfs_readdata_alloc(1);
+ rdata = nfs_readdata_alloc(count);
if (!rdata)
return -ENOMEM;
struct nfs_page *req = nfs_list_entry(head->next);
struct page *page = req->wb_page;
struct nfs_read_data *data;
- unsigned int rsize = NFS_SERVER(inode)->rsize;
- unsigned int nbytes, offset;
+ size_t rsize = NFS_SERVER(inode)->rsize, nbytes;
+ unsigned int offset;
int requests = 0;
LIST_HEAD(list);
nfs_list_remove_request(req);
nbytes = req->wb_bytes;
- for(;;) {
- data = nfs_readdata_alloc(1);
+ do {
+ size_t len = min(nbytes,rsize);
+
+ data = nfs_readdata_alloc(len);
if (!data)
goto out_bad;
INIT_LIST_HEAD(&data->pages);
list_add(&data->pages, &list);
requests++;
- if (nbytes <= rsize)
- break;
- nbytes -= rsize;
- }
+ nbytes -= len;
+ } while(nbytes != 0);
atomic_set(&req->wb_complete, requests);
ClearPageError(page);
if (NFS_SERVER(inode)->rsize < PAGE_CACHE_SIZE)
return nfs_pagein_multi(head, inode);
- data = nfs_readdata_alloc(NFS_SERVER(inode)->rpages);
+ data = nfs_readdata_alloc(NFS_SERVER(inode)->rsize);
if (!data)
goto out_bad;
static DECLARE_WAIT_QUEUE_HEAD(nfs_write_congestion);
-struct nfs_write_data *nfs_commit_alloc(unsigned int pagecount)
+struct nfs_write_data *nfs_commit_alloc(void)
{
struct nfs_write_data *p = mempool_alloc(nfs_commit_mempool, SLAB_NOFS);
if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
- if (pagecount <= ARRAY_SIZE(p->page_array))
- p->pagevec = p->page_array;
- else {
- p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOFS);
- if (!p->pagevec) {
- mempool_free(p, nfs_commit_mempool);
- p = NULL;
- }
- }
}
return p;
}
mempool_free(p, nfs_commit_mempool);
}
-struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount)
+struct nfs_write_data *nfs_writedata_alloc(size_t len)
{
+ unsigned int pagecount = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
struct nfs_write_data *p = mempool_alloc(nfs_wdata_mempool, SLAB_NOFS);
if (p) {
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
+ p->npages = pagecount;
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
int result, written = 0;
struct nfs_write_data *wdata;
- wdata = nfs_writedata_alloc(1);
+ wdata = nfs_writedata_alloc(wsize);
if (!wdata)
return -ENOMEM;
struct nfs_page *req = nfs_list_entry(head->next);
struct page *page = req->wb_page;
struct nfs_write_data *data;
- unsigned int wsize = NFS_SERVER(inode)->wsize;
- unsigned int nbytes, offset;
+ size_t wsize = NFS_SERVER(inode)->wsize, nbytes;
+ unsigned int offset;
int requests = 0;
LIST_HEAD(list);
nfs_list_remove_request(req);
nbytes = req->wb_bytes;
- for (;;) {
- data = nfs_writedata_alloc(1);
+ do {
+ size_t len = min(nbytes, wsize);
+
+ data = nfs_writedata_alloc(len);
if (!data)
goto out_bad;
list_add(&data->pages, &list);
requests++;
- if (nbytes <= wsize)
- break;
- nbytes -= wsize;
- }
+ nbytes -= len;
+ } while (nbytes != 0);
atomic_set(&req->wb_complete, requests);
ClearPageError(page);
struct nfs_write_data *data;
unsigned int count;
- data = nfs_writedata_alloc(NFS_SERVER(inode)->wpages);
+ data = nfs_writedata_alloc(NFS_SERVER(inode)->wsize);
if (!data)
goto out_bad;
struct nfs_write_data *data;
struct nfs_page *req;
- data = nfs_commit_alloc(NFS_SERVER(inode)->wpages);
+ data = nfs_commit_alloc();
if (!data)
goto out_bad;
/**
* alloc_super - create new superblock
+ * @type: filesystem type superblock should belong to
*
* Allocates and initializes a new &struct super_block. alloc_super()
* returns a pointer new superblock or %NULL if allocation had failed.
include include/asm-generic/Kbuild.asm
-header-y += boot.h cpufeature.h debugreg.h ldt.h setup.h ucontext.h
+header-y += boot.h debugreg.h ldt.h setup.h ucontext.h
unifdef-y += mtrr.h vm86.h
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#define arch_mmap_check ia64_mmap_check
+int ia64_mmap_check(unsigned long addr, unsigned long len,
+ unsigned long flags);
+#endif
+#endif
+
#endif /* _ASM_IA64_MMAN_H */
/* 1294, 1295 reserved for pselect/ppoll */
#define __NR_unshare 1296
#define __NR_splice 1297
-#define __NR_set_robust_list 1298
-#define __NR_get_robust_list 1299
+/* 1298, 1299 reserved for set_robust_list/get_robust_list */
#define __NR_sync_file_range 1300
#define __NR_tee 1301
#define __NR_vmsplice 1302
/* PFN start number, because of __MEMORY_START */
#define PFN_START (__MEMORY_START >> PAGE_SHIFT)
-#define ARCH_PFN_OFFSET (FPN_START)
+#define ARCH_PFN_OFFSET (PFN_START)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
#define MADV_FREE 0x5 /* (Solaris) contents can be freed */
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#define arch_mmap_check sparc_mmap_check
+int sparc_mmap_check(unsigned long addr, unsigned long len,
+ unsigned long flags);
+#endif
+#endif
+
#endif /* __SPARC_MMAN_H__ */
#define MADV_FREE 0x5 /* (Solaris) contents can be freed */
+#ifdef __KERNEL__
+#ifndef __ASSEMBLY__
+#define arch_mmap_check sparc64_mmap_check
+int sparc64_mmap_check(unsigned long addr, unsigned long len,
+ unsigned long flags);
+#endif
+#endif
+
#endif /* __SPARC64_MMAN_H__ */
#define LINUX_ATMDEV_H
-#include <linux/device.h>
#include <linux/atmapi.h>
#include <linux/atm.h>
#include <linux/atmioc.h>
#ifdef __KERNEL__
+#include <linux/device.h>
#include <linux/wait.h> /* wait_queue_head_t */
#include <linux/time.h> /* struct timeval */
#include <linux/net.h>
* @get_softirq_time: function to retrieve the current time from the softirq
* @curr_timer: the timer which is executing a callback right now
* @softirq_time: the time when running the hrtimer queue in the softirq
+ * @lock_key: the lock_class_key for use with lockdep
*/
struct hrtimer_base {
clockid_t index;
#endif
} ktime_t;
-#define KTIME_MAX (~((u64)1 << 63))
+#define KTIME_MAX ((s64)~((u64)1 << 63))
+#define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC)
/*
* ktime_t definitions when using the 64-bit scalar representation:
*/
static inline ktime_t ktime_set(const long secs, const unsigned long nsecs)
{
+#if (BITS_PER_LONG == 64)
+ if (unlikely(secs >= KTIME_SEC_MAX))
+ return (ktime_t){ .tv64 = KTIME_MAX };
+#endif
return (ktime_t) { .tv64 = (s64)secs * NSEC_PER_SEC + (s64)nsecs };
}
extern void nfs_writedata_release(void *);
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
-struct nfs_write_data *nfs_commit_alloc(unsigned int pagecount);
+struct nfs_write_data *nfs_commit_alloc(void);
void nfs_commit_free(struct nfs_write_data *p);
#endif
/*
* Allocate nfs_write_data structures
*/
-extern struct nfs_write_data *nfs_writedata_alloc(unsigned int pagecount);
+extern struct nfs_write_data *nfs_writedata_alloc(size_t len);
/*
* linux/fs/nfs/read.c
/*
* Allocate nfs_read_data structures
*/
-extern struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount);
+extern struct nfs_read_data *nfs_readdata_alloc(size_t len);
/*
* linux/fs/nfs3proc.c
struct list_head pages; /* Coalesced read requests */
struct nfs_page *req; /* multi ops per nfs_page */
struct page **pagevec;
- unsigned int npages; /* active pages in pagevec */
+ unsigned int npages; /* Max length of pagevec */
struct nfs_readargs args;
struct nfs_readres res;
#ifdef CONFIG_NFS_V4
struct list_head pages; /* Coalesced requests we wish to flush */
struct nfs_page *req; /* multi ops per nfs_page */
struct page **pagevec;
- unsigned int npages; /* active pages in pagevec */
+ unsigned int npages; /* Max length of pagevec */
struct nfs_writeargs args; /* argument struct */
struct nfs_writeres res; /* result struct */
#ifdef CONFIG_NFS_V4
#define PCI_DEVICE_ID_SI_962 0x0962
#define PCI_DEVICE_ID_SI_963 0x0963
#define PCI_DEVICE_ID_SI_965 0x0965
+#define PCI_DEVICE_ID_SI_966 0x0966
+#define PCI_DEVICE_ID_SI_968 0x0968
#define PCI_DEVICE_ID_SI_5511 0x5511
#define PCI_DEVICE_ID_SI_5513 0x5513
#define PCI_DEVICE_ID_SI_5517 0x5517
* if there are waiters then it will block, it does PI, etc. (Due to
* races the kernel might see a 0 value of the futex too.)
*/
-static int do_futex_lock_pi(u32 __user *uaddr, int detect, int trylock,
- struct hrtimer_sleeper *to)
+static int futex_lock_pi(u32 __user *uaddr, int detect, unsigned long sec,
+ long nsec, int trylock)
{
+ struct hrtimer_sleeper timeout, *to = NULL;
struct task_struct *curr = current;
struct futex_hash_bucket *hb;
u32 uval, newval, curval;
if (refill_pi_state_cache())
return -ENOMEM;
+ if (sec != MAX_SCHEDULE_TIMEOUT) {
+ to = &timeout;
+ hrtimer_init(&to->timer, CLOCK_REALTIME, HRTIMER_ABS);
+ hrtimer_init_sleeper(to, current);
+ to->timer.expires = ktime_set(sec, nsec);
+ }
+
q.pi_state = NULL;
retry:
down_read(&curr->mm->mmap_sem);
if (!detect && ret == -EDEADLK && 0)
force_sig(SIGKILL, current);
- return ret;
+ return ret != -EINTR ? ret : -ERESTARTNOINTR;
out_unlock_release_sem:
queue_unlock(&q, hb);
return ret;
}
-/*
- * Restart handler
- */
-static long futex_lock_pi_restart(struct restart_block *restart)
-{
- struct hrtimer_sleeper timeout, *to = NULL;
- int ret;
-
- restart->fn = do_no_restart_syscall;
-
- if (restart->arg2 || restart->arg3) {
- to = &timeout;
- hrtimer_init(&to->timer, CLOCK_REALTIME, HRTIMER_ABS);
- hrtimer_init_sleeper(to, current);
- to->timer.expires.tv64 = ((u64)restart->arg1 << 32) |
- (u64) restart->arg0;
- }
-
- pr_debug("lock_pi restart: %p, %d (%d)\n",
- (u32 __user *)restart->arg0, current->pid);
-
- ret = do_futex_lock_pi((u32 __user *)restart->arg0, restart->arg1,
- 0, to);
-
- if (ret != -EINTR)
- return ret;
-
- restart->fn = futex_lock_pi_restart;
-
- /* The other values are filled in */
- return -ERESTART_RESTARTBLOCK;
-}
-
-/*
- * Called from the syscall entry below.
- */
-static int futex_lock_pi(u32 __user *uaddr, int detect, unsigned long sec,
- long nsec, int trylock)
-{
- struct hrtimer_sleeper timeout, *to = NULL;
- struct restart_block *restart;
- int ret;
-
- if (sec != MAX_SCHEDULE_TIMEOUT) {
- to = &timeout;
- hrtimer_init(&to->timer, CLOCK_REALTIME, HRTIMER_ABS);
- hrtimer_init_sleeper(to, current);
- to->timer.expires = ktime_set(sec, nsec);
- }
-
- ret = do_futex_lock_pi(uaddr, detect, trylock, to);
-
- if (ret != -EINTR)
- return ret;
-
- pr_debug("lock_pi interrupted: %p, %d (%d)\n", uaddr, current->pid);
-
- restart = ¤t_thread_info()->restart_block;
- restart->fn = futex_lock_pi_restart;
- restart->arg0 = (unsigned long) uaddr;
- restart->arg1 = detect;
- if (to) {
- restart->arg2 = to->timer.expires.tv64 & 0xFFFFFFFF;
- restart->arg3 = to->timer.expires.tv64 >> 32;
- } else
- restart->arg2 = restart->arg3 = 0;
-
- return -ERESTART_RESTARTBLOCK;
-}
-
/*
* Userspace attempted a TID -> 0 atomic transition, and failed.
* This is the in-kernel slowpath: we look up the PI state (if any),
void add_taint(unsigned flag)
{
- debug_locks_off(); /* can't trust the integrity of the kernel anymore */
+ debug_locks = 0; /* can't trust the integrity of the kernel anymore */
tainted |= flag;
}
EXPORT_SYMBOL(add_taint);
config SOFTWARE_SUSPEND
bool "Software Suspend"
- depends on PM && SWAP && (X86 && (!SMP || SUSPEND_SMP)) || ((FRV || PPC32) && !SMP)
+ depends on PM && SWAP && ((X86 && (!SMP || SUSPEND_SMP) && !X86_PAE) || ((FRV || PPC32) && !SMP))
---help---
Enable the possibility of suspending the machine.
It doesn't need ACPI or APM.
For more information take a look at <file:Documentation/power/swsusp.txt>.
+ (For now, swsusp is incompatible with PAE aka HIGHMEM_64G on i386.
+ we need identity mapping for resume to work, and that is trivial
+ to get with 4MB pages, but less than trivial on PAE).
+
config PM_STD_PARTITION
string "Default resume partition"
depends on SOFTWARE_SUSPEND
* not re-enabled during lock-acquire (which the preempt-spin-ops do):
*/
#if !defined(CONFIG_PREEMPT) || !defined(CONFIG_SMP) || \
- defined(CONFIG_PROVE_LOCKING)
+ defined(CONFIG_DEBUG_LOCK_ALLOC)
void __lockfunc _read_lock(rwlock_t *lock)
{
#include <asm/cacheflush.h>
#include <asm/tlb.h>
+#ifndef arch_mmap_check
+#define arch_mmap_check(addr, len, flags) (0)
+#endif
+
static void unmap_region(struct mm_struct *mm,
struct vm_area_struct *vma, struct vm_area_struct *prev,
unsigned long start, unsigned long end);
if (!len)
return -EINVAL;
+ error = arch_mmap_check(addr, len, flags);
+ if (error)
+ return error;
+
/* Careful about overflows.. */
len = PAGE_ALIGN(len);
if (!len || len > TASK_SIZE)
unsigned long flags;
struct rb_node ** rb_link, * rb_parent;
pgoff_t pgoff = addr >> PAGE_SHIFT;
+ int error;
len = PAGE_ALIGN(len);
if (!len)
if ((addr + len) > TASK_SIZE || (addr + len) < addr)
return -EINVAL;
+ flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
+
+ error = arch_mmap_check(addr, len, flags);
+ if (error)
+ return error;
+
/*
* mlock MCL_FUTURE?
*/
if (security_vm_enough_memory(len >> PAGE_SHIFT))
return -ENOMEM;
- flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags;
-
/* Can we just expand an old private anonymous mapping? */
if (vma_merge(mm, prev, addr, addr + len, flags,
NULL, NULL, pgoff, NULL))
return 0;
write_lock_irq(&mapping->tree_lock);
- if (PageDirty(page)) {
- write_unlock_irq(&mapping->tree_lock);
- return 0;
- }
+ if (PageDirty(page))
+ goto failed;
+ if (page_count(page) != 2) /* caller's ref + pagecache ref */
+ goto failed;
BUG_ON(PagePrivate(page));
__remove_from_page_cache(page);
ClearPageUptodate(page);
page_cache_release(page); /* pagecache ref */
return 1;
+failed:
+ write_unlock_irq(&mapping->tree_lock);
+ return 0;
}
/**
projects / linux-2.6-microblaze.git / commitdiff