From: Sean Christopherson <seanjc@google.com>
To: Jim Mattson <jmattson@google.com>
Cc: kvm@vger.kernel.org, pbonzini@redhat.com
Subject: Re: [PATCH v2 1/2] KVM: VMX: Guest usage of IA32_SPEC_CTRL is likely
Date: Tue, 1 Nov 2022 19:23:11 +0000 [thread overview]
Message-ID: <Y2FyH9r5Huy3rDao@google.com> (raw)
In-Reply-To: <20221019213620.1953281-2-jmattson@google.com>
On Wed, Oct 19, 2022, Jim Mattson wrote:
> At this point in time, most guests (in the default, out-of-the-box
> configuration) are likely to use IA32_SPEC_CTRL. Therefore, drop the
> compiler hint that it is unlikely for KVM to be intercepting WRMSR of
> IA32_SPEC_CTRL.
>
> Signed-off-by: Jim Mattson <jmattson@google.com>
> ---
Reviewed-by: Sean Christopherson <seanjc@google.com>
next prev parent reply other threads:[~2022-11-01 19:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-19 21:36 [PATCH v2 0/2] KVM: nVMX: Add IBPB between L2 and L1 to Jim Mattson
2022-10-19 21:36 ` [PATCH v2 1/2] KVM: VMX: Guest usage of IA32_SPEC_CTRL is likely Jim Mattson
2022-11-01 19:23 ` Sean Christopherson [this message]
2022-10-19 21:36 ` [PATCH v2 2/2] KVM: VMX: Execute IBPB on emulated VM-exit when guest has IBRS Jim Mattson
2022-11-01 19:23 ` Sean Christopherson
2022-11-01 18:50 ` [PATCH v2 0/2] KVM: nVMX: Add IBPB between L2 and L1 to Jim Mattson
2022-12-02 19:21 ` Sean Christopherson
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