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authorLen Brown <len.brown@intel.com>2005-09-08 01:45:47 -0400
committerLen Brown <len.brown@intel.com>2005-09-08 01:45:47 -0400
commit64e47488c913ac704d465a6af86a26786d1412a5 (patch)
treed3b0148592963dcde26e4bb35ddfec8b1eaf8e23 /include/asm-x86_64
parent4a35a46bf1cda4737c428380d1db5d15e2590d18 (diff)
parentcaf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff)
downloadlinux-64e47488c913ac704d465a6af86a26786d1412a5.tar.gz
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Merge linux-2.6 with linux-acpi-2.6
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r--include/asm-x86_64/auxvec.h4
-rw-r--r--include/asm-x86_64/compat.h20
-rw-r--r--include/asm-x86_64/fcntl.h77
-rw-r--r--include/asm-x86_64/futex.h98
-rw-r--r--include/asm-x86_64/hdreg.h1
-rw-r--r--include/asm-x86_64/page.h17
-rw-r--r--include/asm-x86_64/pgtable.h19
-rw-r--r--include/asm-x86_64/processor.h7
-rw-r--r--include/asm-x86_64/types.h2
-rw-r--r--include/asm-x86_64/uaccess.h7
10 files changed, 138 insertions, 114 deletions
diff --git a/include/asm-x86_64/auxvec.h b/include/asm-x86_64/auxvec.h
new file mode 100644
index 000000000000..2403c4cfced2
--- /dev/null
+++ b/include/asm-x86_64/auxvec.h
@@ -0,0 +1,4 @@
+#ifndef __ASM_X86_64_AUXVEC_H
+#define __ASM_X86_64_AUXVEC_H
+
+#endif
diff --git a/include/asm-x86_64/compat.h b/include/asm-x86_64/compat.h
index d0f453c5adfc..f0155c38f639 100644
--- a/include/asm-x86_64/compat.h
+++ b/include/asm-x86_64/compat.h
@@ -14,10 +14,10 @@ typedef s32 compat_ssize_t;
typedef s32 compat_time_t;
typedef s32 compat_clock_t;
typedef s32 compat_pid_t;
-typedef u16 compat_uid_t;
-typedef u16 compat_gid_t;
-typedef u32 compat_uid32_t;
-typedef u32 compat_gid32_t;
+typedef u16 __compat_uid_t;
+typedef u16 __compat_gid_t;
+typedef u32 __compat_uid32_t;
+typedef u32 __compat_gid32_t;
typedef u16 compat_mode_t;
typedef u32 compat_ino_t;
typedef u16 compat_dev_t;
@@ -52,8 +52,8 @@ struct compat_stat {
compat_ino_t st_ino;
compat_mode_t st_mode;
compat_nlink_t st_nlink;
- compat_uid_t st_uid;
- compat_gid_t st_gid;
+ __compat_uid_t st_uid;
+ __compat_gid_t st_gid;
compat_dev_t st_rdev;
u16 __pad2;
u32 st_size;
@@ -122,10 +122,10 @@ typedef u32 compat_sigset_word;
struct compat_ipc64_perm {
compat_key_t key;
- compat_uid32_t uid;
- compat_gid32_t gid;
- compat_uid32_t cuid;
- compat_gid32_t cgid;
+ __compat_uid32_t uid;
+ __compat_gid32_t gid;
+ __compat_uid32_t cuid;
+ __compat_gid32_t cgid;
unsigned short mode;
unsigned short __pad1;
unsigned short seq;
diff --git a/include/asm-x86_64/fcntl.h b/include/asm-x86_64/fcntl.h
index 4411f221c037..46ab12db5739 100644
--- a/include/asm-x86_64/fcntl.h
+++ b/include/asm-x86_64/fcntl.h
@@ -1,76 +1 @@
-#ifndef _X86_64_FCNTL_H
-#define _X86_64_FCNTL_H
-
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
-#define O_ACCMODE 0003
-#define O_RDONLY 00
-#define O_WRONLY 01
-#define O_RDWR 02
-#define O_CREAT 0100 /* not fcntl */
-#define O_EXCL 0200 /* not fcntl */
-#define O_NOCTTY 0400 /* not fcntl */
-#define O_TRUNC 01000 /* not fcntl */
-#define O_APPEND 02000
-#define O_NONBLOCK 04000
-#define O_NDELAY O_NONBLOCK
-#define O_SYNC 010000
-#define FASYNC 020000 /* fcntl, for BSD compatibility */
-#define O_DIRECT 040000 /* direct disk access hint */
-#define O_LARGEFILE 0100000
-#define O_DIRECTORY 0200000 /* must be a directory */
-#define O_NOFOLLOW 0400000 /* don't follow links */
-#define O_NOATIME 01000000
-
-#define F_DUPFD 0 /* dup */
-#define F_GETFD 1 /* get close_on_exec */
-#define F_SETFD 2 /* set/clear close_on_exec */
-#define F_GETFL 3 /* get file->f_flags */
-#define F_SETFL 4 /* set file->f_flags */
-#define F_GETLK 5
-#define F_SETLK 6
-#define F_SETLKW 7
-
-#define F_SETOWN 8 /* for sockets. */
-#define F_GETOWN 9 /* for sockets. */
-#define F_SETSIG 10 /* for sockets. */
-#define F_GETSIG 11 /* for sockets. */
-
-/* for F_[GET|SET]FL */
-#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
-
-/* for posix fcntl() and lockf() */
-#define F_RDLCK 0
-#define F_WRLCK 1
-#define F_UNLCK 2
-
-/* for old implementation of bsd flock () */
-#define F_EXLCK 4 /* or 3 */
-#define F_SHLCK 8 /* or 4 */
-
-/* for leases */
-#define F_INPROGRESS 16
-
-/* operations for bsd flock(), also used by the kernel implementation */
-#define LOCK_SH 1 /* shared lock */
-#define LOCK_EX 2 /* exclusive lock */
-#define LOCK_NB 4 /* or'd with one of the above to prevent
- blocking */
-#define LOCK_UN 8 /* remove lock */
-
-#define LOCK_MAND 32 /* This is a mandatory flock */
-#define LOCK_READ 64 /* ... Which allows concurrent read operations */
-#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
-#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
-
-struct flock {
- short l_type;
- short l_whence;
- off_t l_start;
- off_t l_len;
- pid_t l_pid;
-};
-
-#define F_LINUX_SPECIFIC_BASE 1024
-
-#endif /* !_X86_64_FCNTL_H */
+#include <asm-generic/fcntl.h>
diff --git a/include/asm-x86_64/futex.h b/include/asm-x86_64/futex.h
new file mode 100644
index 000000000000..8602c09bf89e
--- /dev/null
+++ b/include/asm-x86_64/futex.h
@@ -0,0 +1,98 @@
+#ifndef _ASM_FUTEX_H
+#define _ASM_FUTEX_H
+
+#ifdef __KERNEL__
+
+#include <linux/futex.h>
+#include <asm/errno.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+
+#define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \
+ __asm__ __volatile ( \
+"1: " insn "\n" \
+"2: .section .fixup,\"ax\"\n\
+3: mov %3, %1\n\
+ jmp 2b\n\
+ .previous\n\
+ .section __ex_table,\"a\"\n\
+ .align 8\n\
+ .quad 1b,3b\n\
+ .previous" \
+ : "=r" (oldval), "=r" (ret), "=m" (*uaddr) \
+ : "i" (-EFAULT), "m" (*uaddr), "0" (oparg), "1" (0))
+
+#define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \
+ __asm__ __volatile ( \
+"1: movl %2, %0\n\
+ movl %0, %3\n" \
+ insn "\n" \
+"2: " LOCK_PREFIX "cmpxchgl %3, %2\n\
+ jnz 1b\n\
+3: .section .fixup,\"ax\"\n\
+4: mov %5, %1\n\
+ jmp 3b\n\
+ .previous\n\
+ .section __ex_table,\"a\"\n\
+ .align 8\n\
+ .quad 1b,4b,2b,4b\n\
+ .previous" \
+ : "=&a" (oldval), "=&r" (ret), "=m" (*uaddr), \
+ "=&r" (tem) \
+ : "r" (oparg), "i" (-EFAULT), "m" (*uaddr), "1" (0))
+
+static inline int
+futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
+{
+ int op = (encoded_op >> 28) & 7;
+ int cmp = (encoded_op >> 24) & 15;
+ int oparg = (encoded_op << 8) >> 20;
+ int cmparg = (encoded_op << 20) >> 20;
+ int oldval = 0, ret, tem;
+ if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+ oparg = 1 << oparg;
+
+ if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ inc_preempt_count();
+
+ switch (op) {
+ case FUTEX_OP_SET:
+ __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_ADD:
+ __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
+ uaddr, oparg);
+ break;
+ case FUTEX_OP_OR:
+ __futex_atomic_op2("orl %4, %3", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_ANDN:
+ __futex_atomic_op2("andl %4, %3", ret, oldval, uaddr, ~oparg);
+ break;
+ case FUTEX_OP_XOR:
+ __futex_atomic_op2("xorl %4, %3", ret, oldval, uaddr, oparg);
+ break;
+ default:
+ ret = -ENOSYS;
+ }
+
+ dec_preempt_count();
+
+ if (!ret) {
+ switch (cmp) {
+ case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break;
+ case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break;
+ case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break;
+ case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break;
+ case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break;
+ case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break;
+ default: ret = -ENOSYS;
+ }
+ }
+ return ret;
+}
+
+#endif
+#endif
diff --git a/include/asm-x86_64/hdreg.h b/include/asm-x86_64/hdreg.h
deleted file mode 100644
index 5989bbc97cbf..000000000000
--- a/include/asm-x86_64/hdreg.h
+++ /dev/null
@@ -1 +0,0 @@
-#warning this file is obsolete, please do not use it
diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index 431318764af6..135ffaa0393b 100644
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -28,7 +28,6 @@
#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT)
#define HPAGE_MASK (~(HPAGE_SIZE - 1))
#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT)
-#define ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
@@ -92,20 +91,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#include <asm/bug.h>
-/* Pure 2^n version of get_order */
-extern __inline__ int get_order(unsigned long size)
-{
- int order;
-
- size = (size-1) >> (PAGE_SHIFT-1);
- order = -1;
- do {
- size >>= 1;
- order++;
- } while (size);
- return order;
-}
-
#endif /* __ASSEMBLY__ */
#define PAGE_OFFSET ((unsigned long)__PAGE_OFFSET)
@@ -141,4 +126,6 @@ extern __inline__ int get_order(unsigned long size)
#endif /* __KERNEL__ */
+#include <asm-generic/page.h>
+
#endif /* _X86_64_PAGE_H */
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 4e167b5ea8f3..5e0f2fdab0d3 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -104,6 +104,19 @@ extern inline void pgd_clear (pgd_t * pgd)
((unsigned long) __va(pud_val(pud) & PHYSICAL_PAGE_MASK))
#define ptep_get_and_clear(mm,addr,xp) __pte(xchg(&(xp)->pte, 0))
+
+static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long addr, pte_t *ptep, int full)
+{
+ pte_t pte;
+ if (full) {
+ pte = *ptep;
+ *ptep = __pte(0);
+ } else {
+ pte = ptep_get_and_clear(mm, addr, ptep);
+ }
+ return pte;
+}
+
#define pte_same(a, b) ((a).pte == (b).pte)
#define PMD_SIZE (1UL << PMD_SHIFT)
@@ -143,7 +156,7 @@ extern inline void pgd_clear (pgd_t * pgd)
#define _PAGE_ACCESSED 0x020
#define _PAGE_DIRTY 0x040
#define _PAGE_PSE 0x080 /* 2MB page */
-#define _PAGE_FILE 0x040 /* set:pagecache, unset:swap */
+#define _PAGE_FILE 0x040 /* nonlinear file mapping, saved PTE; unset:swap */
#define _PAGE_GLOBAL 0x100 /* Global TLB entry */
#define _PAGE_PROTNONE 0x080 /* If not present */
@@ -247,6 +260,7 @@ static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot)
* The following only work if pte_present() is true.
* Undefined behaviour if not..
*/
+#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT)
static inline int pte_user(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
extern inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
extern inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_USER; }
@@ -254,8 +268,8 @@ extern inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
extern inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
extern inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; }
static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
+static inline int pte_huge(pte_t pte) { return (pte_val(pte) & __LARGE_PTE) == __LARGE_PTE; }
-#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT)
extern inline pte_t pte_rdprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
extern inline pte_t pte_exprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; }
extern inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; }
@@ -433,6 +447,7 @@ extern int kern_addr_valid(unsigned long addr);
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
+#define __HAVE_ARCH_PTEP_GET_AND_CLEAR_FULL
#define __HAVE_ARCH_PTEP_SET_WRPROTECT
#define __HAVE_ARCH_PTE_SAME
#include <asm-generic/pgtable.h>
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 85549e656eeb..a8321999448f 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -398,7 +398,7 @@ static inline void prefetch(void *x)
#define ARCH_HAS_PREFETCHW 1
static inline void prefetchw(void *x)
{
- alternative_input(ASM_NOP5,
+ alternative_input("prefetcht0 (%1)",
"prefetchw (%1)",
X86_FEATURE_3DNOW,
"r" (x));
@@ -437,6 +437,11 @@ static inline void prefetchw(void *x)
outb((data), 0x23); \
} while (0)
+static inline void serialize_cpu(void)
+{
+ __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx");
+}
+
static inline void __monitor(const void *eax, unsigned long ecx,
unsigned long edx)
{
diff --git a/include/asm-x86_64/types.h b/include/asm-x86_64/types.h
index 32bd1426b523..c86c2e6793e2 100644
--- a/include/asm-x86_64/types.h
+++ b/include/asm-x86_64/types.h
@@ -51,8 +51,6 @@ typedef u64 dma_addr_t;
typedef u64 sector_t;
#define HAVE_SECTOR_T
-typedef unsigned short kmem_bufctl_t;
-
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h
index 48f292752c96..1bb8b8a24436 100644
--- a/include/asm-x86_64/uaccess.h
+++ b/include/asm-x86_64/uaccess.h
@@ -49,13 +49,6 @@
#define access_ok(type, addr, size) (__range_not_ok(addr,size) == 0)
-/* this function will go away soon - use access_ok() instead */
-extern inline int __deprecated verify_area(int type, const void __user * addr, unsigned long size)
-{
- return access_ok(type,addr,size) ? 0 : -EFAULT;
-}
-
-
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is