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x86/msr: Remove unused native_read_tscp() 

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.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1458687968-9106-1-git-send-email-prarit@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Prarit Bhargava 2016-03-22 19:06:08 -04:00 committed by Thomas Gleixner
parent f09e3f4fe4
commit 9da77666d6
1 changed files with 0 additions and 8 deletions
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8
arch/x86/include/asm/msr.h
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@ -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