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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 04b57a336b34..bc68a39efd70 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) &