linux-kernel - Re: [PATCH] KVM: SVM: Propagate error from snp_guest_req

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Message-ID: <173078661182.2102830.10430525599582052471.b4-ty@google.com>
Date: Wed,  6 Nov 2024 08:02:42 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Dan Carpenter <dan.carpenter@...aro.org>
Subject: Re: [PATCH] KVM: SVM: Propagate error from snp_guest_req_init() to userspace

On Thu, 31 Oct 2024 13:32:14 -0700, Sean Christopherson wrote:
> If snp_guest_req_init() fails, return the provided error code up the
> stack to userspace, e.g. so that userspace can log that KVM_SEV_INIT2
> failed, as opposed to some random operation later in VM setup failing
> because SNP wasn't actually enabled for the VM.
> 
> Note, KVM itself doesn't consult the return value from __sev_guest_init(),
> i.e. the fallout is purely that userspace may be confused.
> 
> [...]

Applied to kvm-x86 fixes (yesterday, I forgot to send the thank you mail).

[1/1] KVM: SVM: Propagate error from snp_guest_req_init() to userspace
      https://github.com/kvm-x86/linux/commit/e5d253c60e96

--
https://github.com/kvm-x86/linux/tree/next