[Xen-devel] [PATCH 1/2] AMD/VPMU: 0xc0010000 - 0xc001007 MSRs are in PMU range

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

We need to check for older PMU MSR range when emulating MSR
accesses for PV guests.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
---
 xen/arch/x86/traps.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c
index 767d0b0..79a3516 100644
--- a/xen/arch/x86/traps.c
+++ b/xen/arch/x86/traps.c
@@ -2903,6 +2903,7 @@ static int emulate_privileged_op(struct cpu_user_regs 
*regs)
             {
                 vpmu_msr = 1;
         case MSR_AMD_FAM15H_EVNTSEL0...MSR_AMD_FAM15H_PERFCTR5:
+        case MSR_K7_EVNTSEL0...MSR_K7_PERFCTR3:
                 if ( vpmu_msr || (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) )
                 {
                     if ( (vpmu_mode & XENPMU_MODE_ALL) &&
@@ -3030,6 +3031,7 @@ static int emulate_privileged_op(struct cpu_user_regs 
*regs)
             {
                 vpmu_msr = 1;
         case MSR_AMD_FAM15H_EVNTSEL0...MSR_AMD_FAM15H_PERFCTR5:
+        case MSR_K7_EVNTSEL0...MSR_K7_PERFCTR3:
                 if ( vpmu_msr || (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) )
                 {
 
-- 
1.8.3.1


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