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| author | H. Peter Anvin (Intel) <hpa@zytor.com> | 2023-01-11 23:20:31 -0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-01-12 13:06:36 +0100 |
| commit | ae53fa18703000f507107df43efd1168a0365361 (patch) | |
| tree | 465debef68863f87d422789e2e5b53c5a6c99734 /arch/x86/include/asm/special_insns.h | |
| parent | df729fb05ae2db52f7de150439392a88ee9d9b4f (diff) | |
| download | linux-stable-ae53fa18703000f507107df43efd1168a0365361.tar.gz linux-stable-ae53fa18703000f507107df43efd1168a0365361.tar.bz2 linux-stable-ae53fa18703000f507107df43efd1168a0365361.zip | |
x86/gsseg: Move load_gs_index() to its own new header file
GS is a special segment on x86_64, move load_gs_index() to its own new
header file to simplify header inclusion.
No change in functionality.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Xin Li <xin3.li@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20230112072032.35626-5-xin3.li@intel.com
Diffstat (limited to 'arch/x86/include/asm/special_insns.h')
| -rw-r--r-- | arch/x86/include/asm/special_insns.h | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h index a71d0e8d4684..cfd9499b617c 100644 --- a/arch/x86/include/asm/special_insns.h +++ b/arch/x86/include/asm/special_insns.h @@ -120,17 +120,6 @@ static inline void native_wbinvd(void) asm volatile("wbinvd": : :"memory"); } -extern asmlinkage void asm_load_gs_index(u16 selector); - -static inline void native_load_gs_index(unsigned int selector) -{ - unsigned long flags; - - local_irq_save(flags); - asm_load_gs_index(selector); - local_irq_restore(flags); -} - static inline unsigned long __read_cr4(void) { return native_read_cr4(); @@ -184,16 +173,6 @@ static inline void wbinvd(void) native_wbinvd(); } - -static inline void load_gs_index(unsigned int selector) -{ -#ifdef CONFIG_X86_64 - native_load_gs_index(selector); -#else - loadsegment(gs, selector); -#endif -} - #endif /* CONFIG_PARAVIRT_XXL */ static inline void clflush(volatile void *__p) |