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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-27 00:54:47 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-27 00:54:47 -0700 |
commit | aa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece (patch) | |
tree | 3f9e98fadd5124fb05e8f6f9b06aa23698d4f215 /arch/x86/include/asm/tsc.h | |
parent | cca8edfd2ec2a34d9f50f593bc753bb11e1bc1f5 (diff) | |
parent | 3c6b50141ef9f0a8844bf1357b80c0cdf518bf05 (diff) |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/x86/include/asm/tsc.h')
-rw-r--r-- | arch/x86/include/asm/tsc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/include/asm/tsc.h b/arch/x86/include/asm/tsc.h index 83e2efd181e2..9db5583b6d38 100644 --- a/arch/x86/include/asm/tsc.h +++ b/arch/x86/include/asm/tsc.h @@ -51,6 +51,10 @@ extern int unsynchronized_tsc(void); extern int check_tsc_unstable(void); extern unsigned long native_calibrate_tsc(void); +#ifdef CONFIG_X86_64 +extern cycles_t vread_tsc(void); +#endif + /* * Boot-time check whether the TSCs are synchronized across * all CPUs/cores: |