[Xen-devel] [PATCH 5/6] AMD-PVH: Support TSC_MODE_NEVER_EMULATE for PVH

[elena.ufimtseva@xxxxxxxxxx]

From: Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx>

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.rathor@xxxxxxxxxx>
---
 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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