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Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE s
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v3 1/2] target-i386: KVM: add basic Intel LMCE support |
Date: |
Mon, 13 Jun 2016 10:33:12 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 |
On 13/06/2016 09:55, Haozhong Zhang wrote:
> Currently, only VMX bits (bit 1 & 2), LMCE bit (bit 20) as well as
> lock bit (bit 0) in MSR_IA32_FEATURE_CONTROL are used for guest. The
> availability of features indicated by those bits (except the lock bit)
> can be discovered from cpuid and other MSR, so it looks not necessary
> to publish them via fw_cfg. Or do you have other concerns?
I would prefer to avoid having to change the firmware (SeaBIOS and OVMF)
every time a new bit is added. Using fw_cfg makes it possible to
develop the feature in the firmware once and for all.
Paolo
- [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 <=
- 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, 2016/06/04
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