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Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE s
From: |
Boris Petkov |
Subject: |
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support |
Date: |
Sat, 04 Jun 2016 12:15:01 +0200 |
User-agent: |
K-9 Mail for Android |
Haozhong Zhang <address@hidden> wrote:
>This patch adds the support to inject SRAR and SRAO as LMCE, i.e. they
>will be injected to only one VCPU rather than broadcast to all
>VCPUs. As KVM reports LMCE support on Intel platforms, this features is
>only available on Intel platforms.
>
>Signed-off-by: Ashok Raj <address@hidden>
>Signed-off-by: Haozhong Zhang <address@hidden>
>---
>Cc: Paolo Bonzini <address@hidden>
>Cc: Richard Henderson <address@hidden>
>Cc: Eduardo Habkost <address@hidden>
>Cc: Marcelo Tosatti <address@hidden>
>Cc: Boris Petkov <address@hidden>
>Cc: address@hidden
>Cc: Tony Luck <address@hidden>
>Cc: Andi Kleen <address@hidden>
>---
> target-i386/cpu.c | 26 ++++++++++++++++++++++++++
> target-i386/cpu.h | 13 ++++++++++++-
> target-i386/kvm.c | 35 +++++++++++++++++++++++++++++++----
> 3 files changed, 69 insertions(+), 5 deletions(-)
...
>@@ -2786,6 +2798,20 @@ static void mce_init(X86CPU *cpu)
> && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
> (CPUID_MCE | CPUID_MCA)) {
> cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
>+
>+ if (cpu->enable_lmce) {
>+ if (lmce_supported()) {
>+ cenv->mcg_cap |= MCG_LMCE_P;
>+ cenv->msr_ia32_feature_control |=
>+ MSR_IA32_FEATURE_CONTROL_LMCE |
>+ MSR_IA32_FEATURE_CONTROL_LOCKED;
>+ } else {
>+ error_report("Warning: KVM unavailable or not support
>LMCE, "
>+ "LMCE disabled");
"... or LMCE not supported..."
Also, do not split the string for easier grepping.
--
Sent from a small device: formatting sux and brevity is inevitable.
- [Qemu-devel] [PATCH v3 0/2] Add QEMU support for Intel local MCE, Haozhong Zhang, 2016/06/03
- [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/03
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Radim Krčmář, 2016/06/03
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/05
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Paolo Bonzini, 2016/06/08
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/13
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Paolo Bonzini, 2016/06/13
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/13
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Paolo Bonzini, 2016/06/13
- Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/13
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support,
Boris Petkov <=
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Boris Petkov, 2016/06/04
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Eduardo Habkost, 2016/06/06
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/07
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Haozhong Zhang, 2016/06/07
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support, Eduardo Habkost, 2016/06/07