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authorAndy Lutomirski <luto@kernel.org>2015-06-25 19:44:06 +0300
committerIngo Molnar <mingo@kernel.org>2015-07-06 16:23:28 +0300
commitfe47ae6e1a5005b2e82f7eab57b5c3820453293a (patch)
tree6ed314df39faec887de47f1b6b5765bb841f89e1 /arch/x86/include/asm/msr.h
parent732f374ba50b64150bf954c2d4e9f6fae583cccf (diff)
downloadlinux-fe47ae6e1a5005b2e82f7eab57b5c3820453293a.tar.xz
x86/asm/tsc: Remove rdtscl()
It has no more callers, and it was never a very sensible interface to begin with. Users of the TSC should either read all 64 bits or explicitly throw out the high bits. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Huang Rui <ray.huang@amd.com> Cc: John Stultz <john.stultz@linaro.org> Cc: Len Brown <lenb@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: kvm ML <kvm@vger.kernel.org> Link: http://lkml.kernel.org/r/250105f7cee519be9d7fc4464b5784caafc8f4fe.1434501121.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/msr.h')
-rw-r--r--arch/x86/include/asm/msr.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/include/asm/msr.h b/arch/x86/include/asm/msr.h
index 626f78199665..c89ed6ceed02 100644
--- a/arch/x86/include/asm/msr.h
+++ b/arch/x86/include/asm/msr.h
@@ -189,9 +189,6 @@ do { \
#endif /* !CONFIG_PARAVIRT */
-#define rdtscl(low) \
- ((low) = (u32)native_read_tsc())
-
/*
* 64-bit version of wrmsr_safe():
*/