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| author | Jaswinder Singh <jaswinder@infradead.org> | 2008-12-15 17:53:54 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-16 21:10:27 +0100 |
| commit | aab02f0ae20b8fe0fe891e9f107c6e392256ca01 (patch) | |
| tree | 87763c424571740d9b307ca3f9f6296b3765a082 /arch | |
| parent | x86, 32-bit: simplify alloc_low_page() (diff) | |
| download | linux-aab02f0ae20b8fe0fe891e9f107c6e392256ca01.tar.xz linux-aab02f0ae20b8fe0fe891e9f107c6e392256ca01.zip | |
x86: process_64.c declare __switch_to() and sys_arch_prctl before they get used
Impact: cleanup
In asm/system.h moved out __switch_to from CONFIG_X86_32 as it is common for
both 32 and 64 bit.
In asm/pctl.h defined sys_arch_prctl
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/prctl.h | 3 | ||||
| -rw-r--r-- | arch/x86/include/asm/system.h | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/include/asm/prctl.h b/arch/x86/include/asm/prctl.h index fe681147a4f7..a8894647dd9a 100644 --- a/arch/x86/include/asm/prctl.h +++ b/arch/x86/include/asm/prctl.h @@ -6,5 +6,8 @@ #define ARCH_GET_FS 0x1003 #define ARCH_GET_GS 0x1004 +#ifdef CONFIG_X86_64 +extern long sys_arch_prctl(int, unsigned long); +#endif /* CONFIG_X86_64 */ #endif /* _ASM_X86_PRCTL_H */ diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h index 2ed3f0f44ff7..59555f48bf4c 100644 --- a/arch/x86/include/asm/system.h +++ b/arch/x86/include/asm/system.h @@ -17,12 +17,12 @@ # define AT_VECTOR_SIZE_ARCH 1 #endif -#ifdef CONFIG_X86_32 - struct task_struct; /* one of the stranger aspects of C forward declarations */ struct task_struct *__switch_to(struct task_struct *prev, struct task_struct *next); +#ifdef CONFIG_X86_32 + /* * Saving eflags is important. It switches not only IOPL between tasks, * it also protects other tasks from NT leaking through sysenter etc. |