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authorJeff Garzik <jeff@garzik.org>2006-09-17 01:06:01 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-17 01:06:01 -0400
commitf50e5ea14baa321c5f0ff71707a83b02bf5b9398 (patch)
tree2019c5bc11d99a353f3274853e913f489ed103ce /include
parentecf7f354e228ac9e80d2d25a0a0cbc8c876e9ab4 (diff)
parent803db244b9f71102e366fd689000c1417b9a7508 (diff)
Merge branch 'upstream-fixes' into upstream
Diffstat (limited to 'include')
-rw-r--r--include/asm-alpha/Kbuild2
-rw-r--r--include/asm-alpha/compiler.h3
-rw-r--r--include/asm-alpha/page.h6
-rw-r--r--include/asm-generic/Kbuild.asm2
-rw-r--r--include/asm-i386/Kbuild4
-rw-r--r--include/asm-i386/elf.h10
-rw-r--r--include/asm-i386/setup.h2
-rw-r--r--include/asm-i386/signal.h4
-rw-r--r--include/asm-i386/unistd.h4
-rw-r--r--include/asm-ia64/Kbuild2
-rw-r--r--include/asm-ia64/page.h4
-rw-r--r--include/asm-ia64/ptrace.h10
-rw-r--r--include/asm-ia64/ustack.h7
-rw-r--r--include/asm-mips/page.h8
-rw-r--r--include/asm-powerpc/eeh.h3
-rw-r--r--include/asm-powerpc/futex.h28
-rw-r--r--include/asm-powerpc/io.h43
-rw-r--r--include/asm-powerpc/kdump.h2
-rw-r--r--include/asm-powerpc/paca.h1
-rw-r--r--include/asm-powerpc/spinlock.h17
-rw-r--r--include/asm-ppc/io.h20
-rw-r--r--include/asm-s390/debug.h2
-rw-r--r--include/asm-s390/elf.h28
-rw-r--r--include/asm-x86_64/elf.h20
-rw-r--r--include/asm-x86_64/signal.h2
-rw-r--r--include/asm-x86_64/unistd.h16
-rw-r--r--include/asm-x86_64/vsyscall.h3
-rw-r--r--include/linux/nfs_fs.h52
-rw-r--r--include/linux/timex.h3
29 files changed, 192 insertions, 116 deletions
diff --git a/include/asm-alpha/Kbuild b/include/asm-alpha/Kbuild
index e57fd57538b..2b06b3bad5f 100644
--- a/include/asm-alpha/Kbuild
+++ b/include/asm-alpha/Kbuild
@@ -1,5 +1,5 @@
include include/asm-generic/Kbuild.asm
-unifdef-y += console.h fpu.h sysinfo.h
+unifdef-y += console.h fpu.h sysinfo.h compiler.h
header-y += gentrap.h regdef.h pal.h reg.h
diff --git a/include/asm-alpha/compiler.h b/include/asm-alpha/compiler.h
index 00c6f57ad9a..d2768cc3d7a 100644
--- a/include/asm-alpha/compiler.h
+++ b/include/asm-alpha/compiler.h
@@ -90,6 +90,7 @@
__asm__("stw %1,%0" : "=m"(mem) : "r"(val))
#endif
+#ifdef __KERNEL__
/* Some idiots over in <linux/compiler.h> thought inline should imply
always_inline. This breaks stuff. We'll include this file whenever
we run into such problems. */
@@ -101,4 +102,6 @@
#undef __always_inline
#define __always_inline inline __attribute__((always_inline))
+#endif /* __KERNEL__ */
+
#endif /* __ALPHA_COMPILER_H */
diff --git a/include/asm-alpha/page.h b/include/asm-alpha/page.h
index 8c7cd50d4ea..d2bed3cb33f 100644
--- a/include/asm-alpha/page.h
+++ b/include/asm-alpha/page.h
@@ -1,6 +1,8 @@
#ifndef _ALPHA_PAGE_H
#define _ALPHA_PAGE_H
+#ifdef __KERNEL__
+
#include <asm/pal.h>
/* PAGE_SHIFT determines the page size */
@@ -8,8 +10,6 @@
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
-#ifdef __KERNEL__
-
#ifndef __ASSEMBLY__
#define STRICT_MM_TYPECHECKS
@@ -92,9 +92,9 @@ typedef unsigned long pgprot_t;
#define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \
VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
-#endif /* __KERNEL__ */
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
+#endif /* __KERNEL__ */
#endif /* _ALPHA_PAGE_H */
diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm
index 6b16dda1811..c00de6028fa 100644
--- a/include/asm-generic/Kbuild.asm
+++ b/include/asm-generic/Kbuild.asm
@@ -2,7 +2,7 @@ unifdef-y += a.out.h auxvec.h byteorder.h errno.h fcntl.h ioctl.h \
ioctls.h ipcbuf.h mman.h msgbuf.h param.h poll.h \
posix_types.h ptrace.h resource.h sembuf.h shmbuf.h shmparam.h \
sigcontext.h siginfo.h signal.h socket.h sockios.h stat.h \
- statfs.h termbits.h termios.h timex.h types.h unistd.h user.h
+ statfs.h termbits.h termios.h types.h unistd.h user.h
# These probably shouldn't be exported
unifdef-y += elf.h page.h
diff --git a/include/asm-i386/Kbuild b/include/asm-i386/Kbuild
index 335b2fa4e06..2308190321d 100644
--- a/include/asm-i386/Kbuild
+++ b/include/asm-i386/Kbuild
@@ -1,5 +1,5 @@
include include/asm-generic/Kbuild.asm
-header-y += boot.h debugreg.h ldt.h setup.h ucontext.h
+header-y += boot.h debugreg.h ldt.h ucontext.h
-unifdef-y += mtrr.h vm86.h
+unifdef-y += mtrr.h setup.h vm86.h
diff --git a/include/asm-i386/elf.h b/include/asm-i386/elf.h
index 1eac92cb5b1..db4344d9f73 100644
--- a/include/asm-i386/elf.h
+++ b/include/asm-i386/elf.h
@@ -7,10 +7,7 @@
#include <asm/ptrace.h>
#include <asm/user.h>
-#include <asm/processor.h>
-#include <asm/system.h> /* for savesegment */
#include <asm/auxvec.h>
-#include <asm/desc.h>
#include <linux/utsname.h>
@@ -48,6 +45,12 @@ typedef struct user_fxsr_struct elf_fpxregset_t;
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_386
+#ifdef __KERNEL__
+
+#include <asm/processor.h>
+#include <asm/system.h> /* for savesegment */
+#include <asm/desc.h>
+
/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
contains a pointer to a function which might be registered using `atexit'.
This provides a mean for the dynamic linker to call DT_FINI functions for
@@ -111,7 +114,6 @@ typedef struct user_fxsr_struct elf_fpxregset_t;
#define ELF_PLATFORM (system_utsname.machine)
-#ifdef __KERNEL__
#define SET_PERSONALITY(ex, ibcs2) do { } while (0)
/*
diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h
index f737e423029..2734909eff8 100644
--- a/include/asm-i386/setup.h
+++ b/include/asm-i386/setup.h
@@ -6,6 +6,7 @@
#ifndef _i386_SETUP_H
#define _i386_SETUP_H
+#ifdef __KERNEL__
#include <linux/pfn.h>
/*
@@ -13,6 +14,7 @@
*/
#define MAXMEM_PFN PFN_DOWN(MAXMEM)
#define MAX_NONPAE_PFN (1 << 20)
+#endif
#define PARAM_SIZE 4096
#define COMMAND_LINE_SIZE 256
diff --git a/include/asm-i386/signal.h b/include/asm-i386/signal.h
index 3824a502351..c3e8adec591 100644
--- a/include/asm-i386/signal.h
+++ b/include/asm-i386/signal.h
@@ -2,7 +2,6 @@
#define _ASMi386_SIGNAL_H
#include <linux/types.h>
-#include <linux/linkage.h>
#include <linux/time.h>
#include <linux/compiler.h>
@@ -10,6 +9,9 @@
struct siginfo;
#ifdef __KERNEL__
+
+#include <linux/linkage.h>
+
/* Most things should be clean enough to redefine this at will, if care
is taken to make libc match. */
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index d983b74e4d9..fc1c8ddae14 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -324,6 +324,8 @@
#define __NR_vmsplice 316
#define __NR_move_pages 317
+#ifdef __KERNEL__
+
#define NR_syscalls 318
/*
@@ -423,8 +425,6 @@ __asm__ volatile ("push %%ebp ; push %%ebx ; movl 4(%2),%%ebp ; " \
__syscall_return(type,__res); \
}
-#ifdef __KERNEL__
-
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
diff --git a/include/asm-ia64/Kbuild b/include/asm-ia64/Kbuild
index 85d6f8005eb..f1cb00f39c2 100644
--- a/include/asm-ia64/Kbuild
+++ b/include/asm-ia64/Kbuild
@@ -4,4 +4,4 @@ header-y += break.h fpu.h fpswa.h gcc_intrin.h ia64regs.h \
intel_intrin.h intrinsics.h perfmon_default_smpl.h \
ptrace_offsets.h rse.h setup.h ucontext.h
-unifdef-y += perfmon.h
+unifdef-y += perfmon.h ustack.h
diff --git a/include/asm-ia64/page.h b/include/asm-ia64/page.h
index f5a949ec6e1..947cb72b520 100644
--- a/include/asm-ia64/page.h
+++ b/include/asm-ia64/page.h
@@ -7,6 +7,7 @@
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
+# ifdef __KERNEL__
#include <asm/intrinsics.h>
#include <asm/types.h>
@@ -64,7 +65,6 @@
# define __pa(x) ((x) - PAGE_OFFSET)
# define __va(x) ((x) + PAGE_OFFSET)
#else /* !__ASSEMBLY */
-# ifdef __KERNEL__
# define STRICT_MM_TYPECHECKS
extern void clear_page (void *page);
@@ -174,7 +174,6 @@ get_order (unsigned long size)
return order;
}
-# endif /* __KERNEL__ */
#endif /* !__ASSEMBLY__ */
#ifdef STRICT_MM_TYPECHECKS
@@ -228,4 +227,5 @@ get_order (unsigned long size)
(((current->personality & READ_IMPLIES_EXEC) != 0) \
? VM_EXEC : 0))
+# endif /* __KERNEL__ */
#endif /* _ASM_IA64_PAGE_H */
diff --git a/include/asm-ia64/ptrace.h b/include/asm-ia64/ptrace.h
index 415abb23b21..1414316efd4 100644
--- a/include/asm-ia64/ptrace.h
+++ b/include/asm-ia64/ptrace.h
@@ -56,6 +56,8 @@
#include <asm/fpu.h>
+
+#ifdef __KERNEL__
#ifndef ASM_OFFSETS_C
#include <asm/asm-offsets.h>
#endif
@@ -79,10 +81,9 @@
#define KERNEL_STACK_SIZE IA64_STK_OFFSET
-#ifndef __ASSEMBLY__
+#endif /* __KERNEL__ */
-#include <asm/current.h>
-#include <asm/page.h>
+#ifndef __ASSEMBLY__
/*
* This struct defines the way the registers are saved on system
@@ -229,6 +230,9 @@ struct switch_stack {
#ifdef __KERNEL__
+#include <asm/current.h>
+#include <asm/page.h>
+
#define __ARCH_SYS_PTRACE 1
/*
diff --git a/include/asm-ia64/ustack.h b/include/asm-ia64/ustack.h
index da55c91246e..a349467913e 100644
--- a/include/asm-ia64/ustack.h
+++ b/include/asm-ia64/ustack.h
@@ -5,12 +5,15 @@
* Constants for the user stack size
*/
+#ifdef __KERNEL__
#include <asm/page.h>
/* The absolute hard limit for stack size is 1/2 of the mappable space in the region */
#define MAX_USER_STACK_SIZE (RGN_MAP_LIMIT/2)
-/* Make a default stack size of 2GB */
-#define DEFAULT_USER_STACK_SIZE (1UL << 31)
#define STACK_TOP (0x6000000000000000UL + RGN_MAP_LIMIT)
+#endif
+
+/* Make a default stack size of 2GiB */
+#define DEFAULT_USER_STACK_SIZE (1UL << 31)
#endif /* _ASM_IA64_USTACK_H */
diff --git a/include/asm-mips/page.h b/include/asm-mips/page.h
index 6ed1151a05a..219d359861f 100644
--- a/include/asm-mips/page.h
+++ b/include/asm-mips/page.h
@@ -14,8 +14,6 @@
#include <spaces.h>
-#endif
-
/*
* PAGE_SHIFT determines the page size
*/
@@ -34,8 +32,6 @@
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1))
-
-#ifdef __KERNEL__
#ifndef __ASSEMBLY__
extern void clear_page(void * page);
@@ -168,8 +164,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define UNCAC_ADDR(addr) ((addr) - PAGE_OFFSET + UNCAC_BASE)
#define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET)
-#endif /* defined (__KERNEL__) */
-
#ifdef CONFIG_LIMITED_DMA
#define WANT_PAGE_VIRTUAL
#endif
@@ -177,4 +171,6 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
+#endif /* defined (__KERNEL__) */
+
#endif /* _ASM_PAGE_H */
diff --git a/include/asm-powerpc/eeh.h b/include/asm-powerpc/eeh.h
index 4df3e80118f..6a784396660 100644
--- a/include/asm-powerpc/eeh.h
+++ b/include/asm-powerpc/eeh.h
@@ -205,6 +205,7 @@ static inline void eeh_memset_io(volatile void __iomem *addr, int c,
lc |= lc << 8;
lc |= lc << 16;
+ __asm__ __volatile__ ("sync" : : : "memory");
while(n && !EEH_CHECK_ALIGN(p, 4)) {
*((volatile u8 *)p) = c;
p++;
@@ -229,6 +230,7 @@ static inline void eeh_memcpy_fromio(void *dest, const volatile void __iomem *sr
void *destsave = dest;
unsigned long nsave = n;
+ __asm__ __volatile__ ("sync" : : : "memory");
while(n && (!EEH_CHECK_ALIGN(vsrc, 4) || !EEH_CHECK_ALIGN(dest, 4))) {
*((u8 *)dest) = *((volatile u8 *)vsrc);
__asm__ __volatile__ ("eieio" : : : "memory");
@@ -266,6 +268,7 @@ static inline void eeh_memcpy_toio(volatile void __iomem *dest, const void *src,
{
void *vdest = (void __force *) dest;
+ __asm__ __volatile__ ("sync" : : : "memory");
while(n && (!EEH_CHECK_ALIGN(vdest, 4) || !EEH_CHECK_ALIGN(src, 4))) {
*((volatile u8 *)vdest) = *((u8 *)src);
src++;
diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index f1b3c00bc1c..936422e5489 100644
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -84,7 +84,33 @@ static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
static inline int
futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
{
- return -ENOSYS;
+ int prev;
+
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ __asm__ __volatile__ (
+ LWSYNC_ON_SMP
+"1: lwarx %0,0,%2 # futex_atomic_cmpxchg_inatomic\n\
+ cmpw 0,%0,%3\n\
+ bne- 3f\n"
+ PPC405_ERR77(0,%2)
+"2: stwcx. %4,0,%2\n\
+ bne- 1b\n"
+ ISYNC_ON_SMP
+"3: .section .fixup,\"ax\"\n\
+4: li %0,%5\n\
+ b 3b\n\
+ .previous\n\
+ .section __ex_table,\"a\"\n\
+ .align 3\n\
+ " PPC_LONG "1b,4b,2b,4b\n\
+ .previous" \
+ : "=&r" (prev), "+m" (*uaddr)
+ : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT)
+ : "cc", "memory");
+
+ return prev;
}
#endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index 36c4c34bf56..212428db0d8 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -19,6 +19,7 @@ extern int check_legacy_ioport(unsigned long base_port);
#include <linux/compiler.h>
#include <asm/page.h>
#include <asm/byteorder.h>
+#include <asm/paca.h>
#ifdef CONFIG_PPC_ISERIES
#include <asm/iseries/iseries_io.h>
#endif
@@ -162,7 +163,11 @@ extern void _outsw_ns(volatile u16 __iomem *port, const void *buf, int ns);
extern void _insl_ns(volatile u32 __iomem *port, void *buf, int nl);
extern void _outsl_ns(volatile u32 __iomem *port, const void *buf, int nl);
-#define mmiowb()
+static inline void mmiowb(void)
+{
+ __asm__ __volatile__ ("sync" : : : "memory");
+ get_paca()->io_sync = 0;
+}
/*
* output pause versions need a delay at least for the
@@ -278,22 +283,23 @@ static inline int in_8(const volatile unsigned char __iomem *addr)
{
int ret;
- __asm__ __volatile__("lbz%U1%X1 %0,%1; twi 0,%0,0; isync"
+ __asm__ __volatile__("sync; lbz%U1%X1 %0,%1; twi 0,%0,0; isync"
: "=r" (ret) : "m" (*addr));
return ret;
}
static inline void out_8(volatile unsigned char __iomem *addr, int val)
{
- __asm__ __volatile__("stb%U0%X0 %1,%0; sync"
+ __asm__ __volatile__("sync; stb%U0%X0 %1,%0"
: "=m" (*addr) : "r" (val));
+ get_paca()->io_sync = 1;
}
static inline int in_le16(const volatile unsigned short __iomem *addr)
{
int ret;
- __asm__ __volatile__("lhbrx %0,0,%1; twi 0,%0,0; isync"
+ __asm__ __volatile__("sync; lhbrx %0,0,%1; twi 0,%0,0; isync"
: "=r" (ret) : "r" (addr), "m" (*addr));
return ret;
}
@@ -302,28 +308,30 @@ static inline int in_be16(const volatile unsigned short __iomem *addr)
{
int ret;
- __asm__ __volatile__("lhz%U1%X1 %0,%1; twi 0,%0,0; isync"
+ __asm__ __volatile__("sync; lhz%U1%X1 %0,%1; twi 0,%0,0; isync"
: "=r" (ret) : "m" (*addr));
return ret;
}
static inline void out_le16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sthbrx %1,0,%2; sync"
+ __asm__ __volatile__("sync; sthbrx %1,0,%2"
: "=m" (*addr) : "r" (val), "r" (addr));
+ get_paca()->io_sync = 1;
}
static inline void out_be16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sth%U0%X0 %1,%0; sync"
+ __asm__ __volatile__("sync; sth%U0%X0 %1,%0"
: "=m" (*addr) : "r" (val));
+ get_paca()->io_sync = 1;
}
static inline unsigned in_le32(const volatile unsigned __iomem *addr)
{
unsigned ret;
- __asm__ __volatile__("lwbrx %0,0,%1; twi 0,%0,0; isync"
+ __asm__ __volatile__("sync; lwbrx %0,0,%1; twi 0,%0,0; isync"
: "=r" (ret) : "r" (addr), "m" (*addr));
return ret;
}
@@ -332,21 +340,23 @@ static inline unsigned in_be32(const volatile unsigned __iomem *addr)
{
unsigned ret;
- __asm__ __volatile__("lwz%U1%X1 %0,%1; twi 0,%0,0; isync"
+ __asm__ __volatile__("sync; lwz%U1%X1 %0,%1; twi 0,%0,0; isync"
: "=r" (ret) : "m" (*addr));
return ret;
}
static inline void out_le32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stwbrx %1,0,%2; sync" : "=m" (*addr)
+ __asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr)
: "r" (val), "r" (addr));
+ get_paca()->io_sync = 1;
}
static inline void out_be32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stw%U0%X0 %1,%0; sync"
+ __asm__ __volatile__("sync; stw%U0%X0 %1,%0"
: "=m" (*addr) : "r" (val));
+ get_paca()->io_sync = 1;
}
static inline unsigned long in_le64(const volatile unsigned long __iomem *addr)
@@ -354,6 +364,7 @@ static inline unsigned long in_le64(const volatile unsigned long __iomem *addr)
unsigned long tmp, ret;
__asm__ __volatile__(
+ "sync\n"
"ld %1,0(%2)\n"
"twi 0,%1,0\n"
"isync\n"
@@ -372,7 +383,7 @@ static inline unsigned long in_be64(const volatile unsigned long __iomem *addr)
{
unsigned long ret;
- __asm__ __volatile__("ld%U1%X1 %0,%1; twi 0,%0,0; isync"
+ __asm__ __volatile__("sync; ld%U1%X1 %0,%1; twi 0,%0,0; isync"
: "=r" (ret) : "m" (*addr));
return ret;
}
@@ -389,14 +400,16 @@ static inline void out_le64(volatile unsigned long __iomem *addr, unsigned long
"rldicl %1,%1,32,0\n"
"rlwimi %0,%1,8,8,31\n"
"rlwimi %0,%1,24,16,23\n"
- "std %0,0(%3)\n"
- "sync"
+ "sync\n"
+ "std %0,0(%3)"
: "=&r" (tmp) , "=&r" (val) : "1" (val) , "b" (addr) , "m" (*addr));
+ get_paca()->io_sync = 1;
}
static inline void out_be64(volatile unsigned long __iomem *addr, unsigned long val)
{
- __asm__ __volatile__("std%U0%X0 %1,%0; sync" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; std%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
+ get_paca()->io_sync = 1;
}
#ifndef CONFIG_PPC_ISERIES
diff --git a/include/asm-powerpc/kdump.h b/include/asm-powerpc/kdump.h
index dc1574c945f..10e8eb1e6f4 100644
--- a/include/asm-powerpc/kdump.h
+++ b/include/asm-powerpc/kdump.h
@@ -7,7 +7,7 @@
/* How many bytes to reserve at zero for kdump. The reserve limit should
* be greater or equal to the trampoline's end address.
* Reserve to the end of the FWNMI area, see head_64.S */
-#define KDUMP_RESERVE_LIMIT 0x8000
+#define KDUMP_RESERVE_LIMIT 0x10000 /* 64K */
#ifdef CONFIG_CRASH_DUMP
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 2d4585f0620..3d5d590bc4b 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -93,6 +93,7 @@ struct paca_struct {
u64 saved_r1; /* r1 save for RTAS calls */
u64 saved_msr; /* MSR saved here by enter_rtas */
u8 proc_enabled; /* irq soft-enable flag */
+ u8 io_sync; /* writel() needs spin_unlock sync */
/* Stuff for accurate time accounting */
u64 user_time; /* accumulated usermode TB ticks */
diff --git a/include/asm-powerpc/spinlock.h b/include/asm-powerpc/spinlock.h
index 895cb6d3a42..c31e4382a77 100644
--- a/include/asm-powerpc/spinlock.h
+++ b/include/asm-powerpc/spinlock.h
@@ -36,6 +36,19 @@
#define LOCK_TOKEN 1
#endif
+#if defined(CONFIG_PPC64) && defined(CONFIG_SMP)
+#define CLEAR_IO_SYNC (get_paca()->io_sync = 0)
+#define SYNC_IO do { \
+ if (unlikely(get_paca()->io_sync)) { \
+ mb(); \
+ get_paca()->io_sync = 0; \
+ } \
+ } while (0)
+#else
+#define CLEAR_IO_SYNC
+#define SYNC_IO
+#endif
+
/*
* This returns the old value in the lock, so we succeeded
* in getting the lock if the return value is 0.
@@ -61,6 +74,7 @@ static __inline__ unsigned long __spin_trylock(raw_spinlock_t *lock)
static int __inline__ __raw_spin_trylock(raw_spinlock_t *lock)
{
+ CLEAR_IO_SYNC;
return __spin_trylock(lock) == 0;
}
@@ -91,6 +105,7 @@ extern void __rw_yield(raw_rwlock_t *lock);
static void __inline__ __raw_spin_lock(raw_spinlock_t *lock)
{
+ CLEAR_IO_SYNC;
while (1) {
if (likely(__spin_trylock(lock) == 0))
break;
@@ -107,6 +122,7 @@ static void __inline__ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long
{
unsigned long flags_dis;
+ CLEAR_IO_SYNC;
while (1) {
if (likely(__spin_trylock(lock) == 0))
break;
@@ -124,6 +140,7 @@ static void __inline__ __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long
static __inline__ void __raw_spin_unlock(raw_spinlock_t *lock)
{
+ SYNC_IO;
__asm__ __volatile__("# __raw_spin_unlock\n\t"
LWSYNC_ON_SMP: : :"memory");
lock->slock = 0;
diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h
index 89c6f1bc3aa..680555be22e 100644
--- a/include/asm-ppc/io.h
+++ b/include/asm-ppc/io.h
@@ -63,7 +63,7 @@ extern inline int in_8(const volatile unsigned char __iomem *addr)
int ret;
__asm__ __volatile__(
- "lbz%U1%X1 %0,%1;\n"
+ "sync; lbz%U1%X1 %0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) : "m" (*addr));
return ret;
@@ -78,7 +78,7 @@ extern inline int in_le16(const volatile unsigned short __iomem *addr)
{
int ret;
- __asm__ __volatile__("lhbrx %0,0,%1;\n"
+ __asm__ __volatile__("sync; lhbrx %0,0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) :
"r" (addr), "m" (*addr));
@@ -89,7 +89,7 @@ extern inline int in_be16(const volatile unsigned short __iomem *addr)
{
int ret;
- __asm__ __volatile__("lhz%U1%X1 %0,%1;\n"
+ __asm__ __volatile__("sync; lhz%U1%X1 %0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) : "m" (*addr));
return ret;
@@ -97,20 +97,20 @@ extern inline int in_be16(const volatile unsigned short __iomem *addr)
extern inline void out_le16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sthbrx %1,0,%2; eieio" : "=m" (*addr) :
+ __asm__ __volatile__("sync; sthbrx %1,0,%2" : "=m" (*addr) :
"r" (val), "r" (addr));
}
extern inline void out_be16(volatile unsigned short __iomem *addr, int val)
{
- __asm__ __volatile__("sth%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; sth%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
}
extern inline unsigned in_le32(const volatile unsigned __iomem *addr)
{
unsigned ret;
- __asm__ __volatile__("lwbrx %0,0,%1;\n"
+ __asm__ __volatile__("sync; lwbrx %0,0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) :
"r" (addr), "m" (*addr));
@@ -121,7 +121,7 @@ extern inline unsigned in_be32(const volatile unsigned __iomem *addr)
{
unsigned ret;
- __asm__ __volatile__("lwz%U1%X1 %0,%1;\n"
+ __asm__ __volatile__("sync; lwz%U1%X1 %0,%1;\n"
"twi 0,%0,0;\n"
"isync" : "=r" (ret) : "m" (*addr));
return ret;
@@ -129,13 +129,13 @@ extern inline unsigned in_be32(const volatile unsigned __iomem *addr)
extern inline void out_le32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stwbrx %1,0,%2; eieio" : "=m" (*addr) :
+ __asm__ __volatile__("sync; stwbrx %1,0,%2" : "=m" (*addr) :
"r" (val), "r" (addr));
}
extern inline void out_be32(volatile unsigned __iomem *addr, int val)
{
- __asm__ __volatile__("stw%U0%X0 %1,%0; eieio" : "=m" (*addr) : "r" (val));
+ __asm__ __volatile__("sync; stw%U0%X0 %1,%0" : "=m" (*addr) : "r" (val));
}
#if defined (CONFIG_8260_PCI9)
#define readb(addr) in_8((volatile u8 *)(addr))
@@ -259,6 +259,7 @@ extern __inline__ unsigned int name(unsigned int port) \
{ \
unsigned int x; \
__asm__ __volatile__( \
+ "sync\n" \
"0:" op " %0,0,%1\n" \
"1: twi 0,%0,0\n" \
"2: isync\n" \
@@ -284,6 +285,7 @@ extern __inline__ unsigned int name(unsigned int port) \
extern __inline__ void name(unsigned int val, unsigned int port) \
{ \
__asm__ __volatile__( \
+ "sync\n" \
"0:" op " %0,0,%1\n" \
"1: sync\n" \
"2:\n" \
diff --git a/include/asm-s390/debug.h b/include/asm-s390/debug.h
index 7f1ef99fd1e..c00dd2b3dc5 100644
--- a/include/asm-s390/debug.h
+++ b/include/asm-s390/debug.h
@@ -10,7 +10,6 @@
#define DEBUG_H
#include <linux/fs.h>
-#include <linux/string.h>
/* Note:
* struct __debug_entry must be defined outside of #ifdef __KERNEL__
@@ -35,6 +34,7 @@ struct __debug_entry{
#define __DEBUG_FEATURE_VERSION 2 /* version of debug feature */
#ifdef __KERNEL__
+#include <linux/string.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/time.h>
diff --git a/include/asm-s390/elf.h b/include/asm-s390/elf.h
index 710646e64f7..c0d629d61d3 100644
--- a/include/asm-s390/elf.h
+++ b/include/asm-s390/elf.h
@@ -93,19 +93,6 @@
#define R_390_NUM 61
/*
- * ELF register definitions..
- */
-
-#include <linux/sched.h> /* for task_struct */
-#include <asm/ptrace.h>
-#include <asm/user.h>
-#include <asm/system.h> /* for save_access_regs */
-
-
-typedef s390_fp_regs elf_fpregset_t;
-typedef s390_regs elf_gregset_t;
-
-/*
* These are used to set parameters in the core dumps.
*/
#ifndef __s390x__
@@ -117,6 +104,20 @@ typedef s390_regs elf_gregset_t;
#define ELF_ARCH EM_S390
/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+
+typedef s390_fp_regs elf_fpregset_t;
+typedef s390_regs elf_gregset_t;
+
+#ifdef __KERNEL__
+#include <linux/sched.h> /* for task_struct */
+#include <asm/system.h> /* for save_access_regs */
+
+/*
* This is used to ensure we don't load something for the wrong architecture.
*/
#define elf_check_arch(x) \
@@ -198,7 +199,6 @@ static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs)
#define ELF_PLATFORM (NULL)
-#ifdef __KERNEL__
#ifndef __s390x__
#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX)
#else /* __s390x__ */
diff --git a/include/asm-x86_64/elf.h b/include/asm-x86_64/elf.h
index b4f8f4a41a6..a406fcb1e92 100644
--- a/include/asm-x86_64/elf.h
+++ b/include/asm-x86_64/elf.h
@@ -7,8 +7,6 @@
#include <asm/ptrace.h>
#include <asm/user.h>
-#include <asm/processor.h>
-#include <asm/compat.h>
/* x86-64 relocation types */
#define R_X86_64_NONE 0 /* No reloc */
@@ -39,18 +37,23 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
typedef struct user_i387_struct elf_fpregset_t;
/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
- ((x)->e_machine == EM_X86_64)
-
-/*
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS64
#define ELF_DATA ELFDATA2LSB
#define ELF_ARCH EM_X86_64
+#ifdef __KERNEL__
+#include <asm/processor.h>
+#include <asm/compat.h>
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+ ((x)->e_machine == EM_X86_64)
+
+
/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
contains a pointer to a function which might be registered using `atexit'.
This provides a mean for the dynamic linker to call DT_FINI functions for
@@ -141,7 +144,6 @@ typedef struct user_i387_struct elf_fpregset_t;
/* I'm not sure if we can use '-' here */
#define ELF_PLATFORM ("x86_64")
-#ifdef __KERNEL__
extern void set_personality_64bit(void);
#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
/*
diff --git a/include/asm-x86_64/signal.h b/include/asm-x86_64/signal.h
index cef7a7d51b7..3ede2a61973 100644
--- a/include/asm-x86_64/signal.h
+++ b/include/asm-x86_64/signal.h
@@ -3,13 +3,13 @@
#ifndef __ASSEMBLY__
#include <linux/types.h>
-#include <linux/linkage.h>
#include <linux/time.h>
/* Avoid too many header ordering problems. */
struct siginfo;
#ifdef __KERNEL__
+#include <linux/linkage.h>
/* Most things should be clean enough to redefine this at will, if care
is taken to make libc match. */
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 2d89d309a2a..80fd48e84bb 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -620,6 +620,8 @@ __SYSCALL(__NR_vmsplice, sys_vmsplice)
#define __NR_move_pages 279
__SYSCALL(__NR_move_pages, sys_move_pages)
+#ifdef __KERNEL__
+
#define __NR_syscall_max __NR_move_pages
#ifndef __NO_STUBS
@@ -744,8 +746,6 @@ __syscall_return(type,__res); \
#else /* __KERNEL_SYSCALLS__ */
-#ifdef __KERNEL__
-
#include <linux/syscalls.h>
#include <asm/ptrace.h>
@@ -821,8 +821,6 @@ asmlinkage long sys_fork(struct pt_regs regs);
asmlinkage long sys_vfork(struct pt_regs regs);
asmlinkage long sys_pipe(int *fildes);
-#endif /* __KERNEL_SYSCALLS__ */
-
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
@@ -838,9 +836,9 @@ asmlinkage long sys_rt_sigaction(int sig,
struct sigaction __user *oact,
size_t sigsetsize);
-#endif
+#endif /* __ASSEMBLY__ */
-#endif
+#endif /* __KERNEL_SYSCALLS__ */
/*
* "Conditional" syscalls
@@ -850,6 +848,8 @@ asmlinkage long sys_rt_sigaction(int sig,
*/
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
-#endif
+#endif /* __NO_STUBS */
-#endif
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_X86_64_UNISTD_H_ */
diff --git a/include/asm-x86_64/vsyscall.h b/include/asm-x86_64/vsyscall.h
index a85e16f56d7..146b24402a5 100644
--- a/include/asm-x86_64/vsyscall.h
+++ b/include/asm-x86_64/vsyscall.h
@@ -1,8 +1,6 @@
#ifndef _ASM_X86_64_VSYSCALL_H_
#define _ASM_X86_64_VSYSCALL_H_
-#include <linux/seqlock.h>
-
enum vsyscall_num {
__NR_vgettimeofday,
__NR_vtime,
@@ -14,6 +12,7 @@ enum vsyscall_num {
#define VSYSCALL_ADDR(vsyscall_nr) (VSYSCALL_START+VSYSCALL_SIZE*(vsyscall_nr))
#ifdef __KERNEL__
+#include <linux/seqlock.h>
#define __section_vxtime __attribute__ ((unused, __section__ (".vxtime"), aligned(16)))
#define __section_wall_jiffies __attribute__ ((unused, __section__ (".wall_jiffies"), aligned(16)))
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 530b1e6173b..6c2066caeaa 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -9,27 +9,6 @@
#ifndef _LINUX_NFS_FS_H
#define _LINUX_NFS_FS_H
-#include <linux/in.h>
-#include <linux/mm.h>
-#include <linux/pagemap.h>
-#include <linux/rwsem.h>
-#include <linux/wait.h>
-
-#include <linux/sunrpc/debug.h>
-#include <linux/sunrpc/auth.h>
-#include <linux/sunrpc/clnt.h>
-
-#include <linux/nfs.h>
-#include <linux/nfs2.h>
-#include <linux/nfs3.h>
-#include <linux/nfs4.h>
-#include <linux/nfs_xdr.h>
-
-#include <linux/nfs_fs_sb.h>
-
-#include <linux/rwsem.h>
-#include <linux/mempool.h>
-
/*
* Enable debugging support for nfs client.
* Requires RPC_DEBUG.
@@ -48,11 +27,6 @@
#define NFS_SUPER_MAGIC 0x6969
/*
- * These are the default flags for swap requests
- */
-#define NFS_RPC_SWAPFLAGS (RPC_TASK_SWAPPER|RPC_TASK_ROOTCREDS)
-
-/*
* When flushing a cluster of dirty pages, there can be different
* strategies:
*/
@@ -65,6 +39,32 @@
#ifdef __KERNEL__
+#include <linux/in.h>
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+#include <linux/rwsem.h>
+#include <linux/wait.h>
+
+#include <linux/sunrpc/debug.h>
+#include <linux/sunrpc/auth.h>
+#include <linux/sunrpc/clnt.h>
+
+#include <linux/nfs.h>
+#include <linux/nfs2.h>
+#include <linux/nfs3.h>
+#include <linux/nfs4.h>
+#include <linux/nfs_xdr.h>
+
+#include <linux/nfs_fs_sb.h>
+
+#include <linux/rwsem.h>
+#include <linux/mempool.h>
+
+/*
+ * These are the default flags for swap requests
+ */
+#define NFS_RPC_SWAPFLAGS (RPC_TASK_SWAPPER|RPC_TASK_ROOTCREDS)
+
/*
* NFSv3/v4 Access mode cache entry
*/
diff --git a/include/linux/timex.h b/include/linux/timex.h
index 19bb6538b49..d543d3871e3 100644
--- a/include/linux/timex.h
+++ b/include/linux/timex.h
@@ -57,7 +57,6 @@
#include <linux/time.h>
#include <asm/param.h>
-#include <asm/timex.h>
/*
* SHIFT_KG and SHIFT_KF establish the damping of the PLL and are chosen
@@ -191,6 +190,8 @@ struct timex {
#define TIME_BAD TIME_ERROR /* bw compat */
#ifdef __KERNEL__
+#include <asm/timex.h>
+
/*
* kernel variables
* Note: maximum error = NTP synch distance = dispersion + delay / 2;