From: Sean Christopherson <seanjc@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
nathan@kernel.org, thomas.lendacky@amd.com,
andrew.cooper3@citrix.com, peterz@infradead.org,
jmattson@google.com, stable@vger.kernel.org
Subject: Re: [PATCH v2 3/8] KVM: SVM: adjust register allocation for __svm_vcpu_run
Date: Tue, 8 Nov 2022 20:55:26 +0000 [thread overview]
Message-ID: <Y2rCPuBGdtXv2ILs@google.com> (raw)
In-Reply-To: <20221108151532.1377783-4-pbonzini@redhat.com>
On Tue, Nov 08, 2022, Paolo Bonzini wrote:
> In preparation for moving vmload/vmsave to __svm_vcpu_run,
> keep the pointer to the struct vcpu_svm in %rdi. This way
> it is possible to load svm->vmcb01.pa in %rax without
> clobbering the pointer to svm itself.
>
> No functional change intended.
>
> Cc: stable@vger.kernel.org
> Fixes: f14eec0a3203 ("KVM: SVM: move more vmentry code to assembly")
Same nit, Fixes: shouldn't be provided.
next prev parent reply other threads:[~2022-11-08 20:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20221108151532.1377783-1-pbonzini@redhat.com>
2022-11-08 15:15 ` [PATCH v2 2/8] KVM: SVM: replace regs argument of __svm_vcpu_run with vcpu_svm Paolo Bonzini
2022-11-08 20:54 ` Sean Christopherson
2022-11-09 10:35 ` Paolo Bonzini
2022-11-08 15:15 ` [PATCH v2 3/8] KVM: SVM: adjust register allocation for __svm_vcpu_run Paolo Bonzini
2022-11-08 20:55 ` Sean Christopherson [this message]
2022-11-08 15:15 ` [PATCH v2 4/8] KVM: SVM: retrieve VMCB from assembly Paolo Bonzini
2022-11-09 0:53 ` Sean Christopherson
2022-11-09 9:09 ` Paolo Bonzini
2022-11-08 15:15 ` [PATCH v2 5/8] KVM: SVM: move guest vmsave/vmload to assembly Paolo Bonzini
2022-11-08 15:15 ` [PATCH v2 6/8] KVM: SVM: restore host save area from assembly Paolo Bonzini
2022-11-08 15:15 ` [PATCH v2 7/8] KVM: SVM: move MSR_IA32_SPEC_CTRL save/restore to assembly Paolo Bonzini
2022-11-09 1:14 ` Sean Christopherson
2022-11-09 9:29 ` Paolo Bonzini
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