diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:31:57 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-12-31 08:31:57 +0100 |
commit | a9de18eb761f7c1c860964b2e5addc1a35c7e861 (patch) | |
tree | 886e75fdfd09690cd262ca69cb7f5d1d42b48602 /arch/x86/kernel/pvclock.c | |
parent | b2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (diff) | |
parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) |
Merge branch 'linus' into stackprotector
Conflicts:
arch/x86/include/asm/pda.h
kernel/fork.c
Diffstat (limited to 'arch/x86/kernel/pvclock.c')
-rw-r--r-- | arch/x86/kernel/pvclock.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c index 05fbe9a0325..4f9c55f3a7c 100644 --- a/arch/x86/kernel/pvclock.c +++ b/arch/x86/kernel/pvclock.c @@ -97,6 +97,18 @@ static unsigned pvclock_get_time_values(struct pvclock_shadow_time *dst, return dst->version; } +unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src) +{ + u64 pv_tsc_khz = 1000000ULL << 32; + + do_div(pv_tsc_khz, src->tsc_to_system_mul); + if (src->tsc_shift < 0) + pv_tsc_khz <<= -src->tsc_shift; + else + pv_tsc_khz >>= src->tsc_shift; + return pv_tsc_khz; +} + cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) { struct pvclock_shadow_time shadow; |