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[6/9] kvm/x86: mark hyper-v crash msrs as partition wide

Message ID 1435664007-4965-7-git-send-email-den@openvz.org
State New
Headers show

Commit Message

Denis V. Lunev June 30, 2015, 11:33 a.m. UTC
From: Andrey Smetanin <asmetanin@virtuozzo.com>

Hyper-V crash msr's are per vm, aren't per vcpu, so mark them
as partition wide.

Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Gleb Natapov <gleb@kernel.org>
---
 arch/x86/kvm/hyperv.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Peter Hornyack July 1, 2015, 12:15 a.m. UTC | #1
On Tue, Jun 30, 2015 at 4:33 AM, Denis V. Lunev <den@openvz.org> wrote:
> From: Andrey Smetanin <asmetanin@virtuozzo.com>
>
> Hyper-V crash msr's are per vm, aren't per vcpu, so mark them
> as partition wide.
>
> Signed-off-by: Andrey Smetanin <asmetanin@virtuozzo.com>
> Signed-off-by: Denis V. Lunev <den@openvz.org>
> CC: Paolo Bonzini <pbonzini@redhat.com>
> CC: Gleb Natapov <gleb@kernel.org>
Reviewed-by: Peter Hornyack <peterhornyack@google.com>

> ---
>  arch/x86/kvm/hyperv.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
> index 2b49f10..af83c96 100644
> --- a/arch/x86/kvm/hyperv.c
> +++ b/arch/x86/kvm/hyperv.c
> @@ -39,6 +39,8 @@ static bool kvm_hv_msr_partition_wide(u32 msr)
>         case HV_X64_MSR_HYPERCALL:
>         case HV_X64_MSR_REFERENCE_TSC:
>         case HV_X64_MSR_TIME_REF_COUNT:
> +       case HV_X64_MSR_CRASH_CTL:
> +       case HV_X64_MSR_CRASH_P0 ... HV_X64_MSR_CRASH_P4:
>                 r = true;
>                 break;
>         }
> --
> 2.1.4
>
> --
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diff mbox

Patch

diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 2b49f10..af83c96 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -39,6 +39,8 @@  static bool kvm_hv_msr_partition_wide(u32 msr)
 	case HV_X64_MSR_HYPERCALL:
 	case HV_X64_MSR_REFERENCE_TSC:
 	case HV_X64_MSR_TIME_REF_COUNT:
+	case HV_X64_MSR_CRASH_CTL:
+	case HV_X64_MSR_CRASH_P0 ... HV_X64_MSR_CRASH_P4:
 		r = true;
 		break;
 	}