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Date: Mon, 7 Nov 2022 15:47:59 +0000 From: Andrew Cooper <Andrew.Cooper3@...rix.com> To: Paolo Bonzini <pbonzini@...hat.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "kvm@...r.kernel.org" <kvm@...r.kernel.org> CC: "nathan@...nel.org" <nathan@...nel.org>, "thomas.lendacky@....com" <thomas.lendacky@....com>, "peterz@...radead.org" <peterz@...radead.org>, "jmattson@...gle.com" <jmattson@...gle.com>, "seanjc@...gle.com" <seanjc@...gle.com>, "stable@...r.kernel.org" <stable@...r.kernel.org> Subject: Re: [PATCH 4/8] KVM: SVM: move guest vmsave/vmload to assembly On 07/11/2022 15:37, Paolo Bonzini wrote: > On 11/7/22 16:32, Andrew Cooper wrote: >>> - vmload(svm->vmcb01.pa); >>> __svm_vcpu_run(vmcb_pa, svm); >>> - vmsave(svm->vmcb01.pa); >>> - >>> vmload(__sme_page_pa(sd->save_area)); >> >> %gs is still the guests until this vmload has completed. It needs to >> move down into asm too. > > Sure, that's patch 6 in the series. See also cover letter: "this > means moving guest vmload/vmsave and host vmload to assembly". Oh, ok. I missed that it was split across two patches. Sorry for the noise. The end result looks ok. ~Andrew
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