linux-kernel - Re: [PATCH 0/8] KVM: SVM: Clean up VMRUN=>#VMEXIT assembly

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Message-ID: <CABgObfYHbsb9hySxXbwCTP_mhuKUVdRDFs71XotEB5FAaPeEpQ@mail.gmail.com>
Date: Wed, 17 Apr 2024 14:58:04 +0200
From: Paolo Bonzini <pbonzini@...hat.com>
To: Sean Christopherson <seanjc@...gle.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Tom Lendacky <thomas.lendacky@....com>, Michael Roth <michael.roth@....com>, 
	Alexey Kardashevskiy <aik@....com>
Subject: Re: [PATCH 0/8] KVM: SVM: Clean up VMRUN=>#VMEXIT assembly

On Wed, Apr 10, 2024 at 2:23 AM Sean Christopherson <seanjc@...gle.com> wrote:
> Applied to kvm-x86 svm, thanks!
>
> [1/8] KVM: SVM: Create a stack frame in __svm_vcpu_run() for unwinding
>       https://github.com/kvm-x86/linux/commit/19597a71a0c8
> [2/8] KVM: SVM: Wrap __svm_sev_es_vcpu_run() with #ifdef CONFIG_KVM_AMD_SEV
>       https://github.com/kvm-x86/linux/commit/7774c8f32e99
> [3/8] KVM: SVM: Drop 32-bit "support" from __svm_sev_es_vcpu_run()
>       https://github.com/kvm-x86/linux/commit/331282fdb15e
> [4/8] KVM: SVM: Clobber RAX instead of RBX when discarding spec_ctrl_intercepted
>       https://github.com/kvm-x86/linux/commit/87e8e360a05f
> [5/8] KVM: SVM: Save/restore non-volatile GPRs in SEV-ES VMRUN via host save area
>       https://github.com/kvm-x86/linux/commit/c92be2fd8edf
> [6/8] KVM: SVM: Save/restore args across SEV-ES VMRUN via host save area
>       https://github.com/kvm-x86/linux/commit/adac42bf42c1
> [7/8] KVM: SVM: Create a stack frame in __svm_sev_es_vcpu_run()
>       https://github.com/kvm-x86/linux/commit/4367a75887ec
> [8/8] KVM: x86: Stop compiling vmenter.S with OBJECT_FILES_NON_STANDARD
>       https://github.com/kvm-x86/linux/commit/27ca867042af

Do we perhaps want this in 6.9 because of the issues that was reported
with objtool?

Paolo