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x86, paravirt: don't compute pvclock adjustments if we trust the tsc

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If the HV told us we can fully trust the TSC, skip any
correction

Signed-off-by: Glauber Costa <glommer@redhat.com>
Acked-by: Zachary Amsden <zamsden@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Glauber Costa
2010-05-11 12:17:45 -04:00
committed by Avi Kivity
parent 838815a787
commit 3a0d7256a6
4 changed files with 13 additions and 0 deletions
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arch/x86/include/asm/pvclock-abi.h
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@@ -39,5 +39,6 @@ struct pvclock_wall_clock {
u32 nsec;
} __attribute__((__packed__));
#define PVCLOCK_TSC_STABLE_BIT (1 << 0)
#endif /* __ASSEMBLY__ */
#endif /* _ASM_X86_PVCLOCK_ABI_H */