[tip:x86/urgent] x86/msr: Remove unused native_read_tscp()

From: tip-bot for Prarit Bhargava
Date: Wed Mar 23 2016 - 07:40:37 EST


Commit-ID: 9da77666d6975219281fd400eb9608a047337414
Gitweb: http://git.kernel.org/tip/9da77666d6975219281fd400eb9608a047337414
Author: Prarit Bhargava <prarit@xxxxxxxxxx>
AuthorDate: Tue, 22 Mar 2016 19:06:08 -0400
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 23 Mar 2016 12:34:17 +0100

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@xxxxxxxxxx>
Acked-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Link: http://lkml.kernel.org/r/1458687968-9106-1-git-send-email-prarit@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

---
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