Messages in this thread Patch in this message | | | From | Prarit Bhargava <> | Subject | [PATCH] x86, msr, remove unused native_read_tscp() | Date | Tue, 22 Mar 2016 19:06:08 -0400 |
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After e76b027 ("x86,vdso: Use LSL unconditionally for vgetcpu") native_read_tscp() is unused in the kernel. The function can be removed like native_read_tsc() was.
[prarit@prarit linux]$ git grep native_read_tscp arch/x86/include/asm/msr.h:45:static inline unsigned long long native_read_tscp(unsigned int *aux)
Cc: x86@kernel.org Cc: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Prarit Bhargava <prarit@redhat.com> --- arch/x86/include/asm/msr.h | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h index 93fb7c1..7a79ee2 100644 --- a/arch/x86/include/asm/msr.h +++ b/arch/x86/include/asm/msr.h @@ -42,14 +42,6 @@ struct saved_msrs { struct saved_msr *array; }; -static inline unsigned long long native_read_tscp(unsigned int *aux) -{ - unsigned long low, high; - asm volatile(".byte 0x0f,0x01,0xf9" - : "=a" (low), "=d" (high), "=c" (*aux)); - return low | ((u64)high << 32); -} - /* * both i386 and x86_64 returns 64-bit value in edx:eax, but gcc's "A" * constraint has different meanings. For i386, "A" means exactly -- 1.7.9.3
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