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Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/vdso/gettimeofday.h10
-rw-r--r--arch/x86/kvm/x86.c7
2 files changed, 9 insertions, 8 deletions
diff --git a/arch/x86/include/asm/vdso/gettimeofday.h b/arch/x86/include/asm/vdso/gettimeofday.h
index 0badf0a9f03d..c81858d903dc 100644
--- a/arch/x86/include/asm/vdso/gettimeofday.h
+++ b/arch/x86/include/asm/vdso/gettimeofday.h
@@ -238,10 +238,12 @@ static u64 vread_pvclock(void)
#ifdef CONFIG_HYPERV_TIMER
static u64 vread_hvclock(void)
{
- u64 ret = hv_read_tsc_page(&hvclock_page);
- if (likely(ret != U64_MAX))
- ret &= S64_MAX;
- return ret;
+ u64 tsc, time;
+
+ if (hv_read_tsc_page_tsc(&hvclock_page, &tsc, &time))
+ return time & S64_MAX;
+
+ return U64_MAX;
}
#endif
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index ceb7c5e9cf9e..99d97ba6104f 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2799,14 +2799,13 @@ static u64 read_tsc(void)
static inline u64 vgettsc(struct pvclock_clock *clock, u64 *tsc_timestamp,
int *mode)
{
- long v;
u64 tsc_pg_val;
+ long v;
switch (clock->vclock_mode) {
case VDSO_CLOCKMODE_HVCLOCK:
- tsc_pg_val = hv_read_tsc_page_tsc(hv_get_tsc_page(),
- tsc_timestamp);
- if (tsc_pg_val != U64_MAX) {
+ if (hv_read_tsc_page_tsc(hv_get_tsc_page(),
+ tsc_timestamp, &tsc_pg_val)) {
/* TSC page valid */
*mode = VDSO_CLOCKMODE_HVCLOCK;
v = (tsc_pg_val - clock->cycle_last) &