From: Elena Ufimtseva <elena.ufimts...@oracle.com>
On AMD, MSR_AMD64_TSC_RATIO must be set for rdtsc instruction in guest
to properly read the cpu tsc. To that end, set tsc_khz in struct domain.
Signed-off-by: Mukesh Rathor <mukesh.rat...@oracle.com>
---
xen/arch/x86/time.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/arch/x86/time.c b/xen/arch/x86/time.c
index bbb7e6c..d9709ce 100644
--- a/xen/arch/x86/time.c
+++ b/xen/arch/x86/time.c
@@ -1923,6 +1923,7 @@ void tsc_set_info(struct domain *d,
* but "always_emulate" does not for some reason. Figure out
* why.
*/
+ d->arch.tsc_khz = cpu_khz;
switch ( tsc_mode )
{
case TSC_MODE_NEVER_EMULATE:
--
1.9.3
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