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AJvYcCVskdIkmvfDUTNh47O45n/u/QLMYC8e5miTWfyxIjPmQ34o/du4pHJR9hBkPrih/xS3BXb3Y2QSE/GtPpw=@vger.kernel.org X-Gm-Message-State: AOJu0YxDHTxTnaYd3q61pehoMFRvhtNMlOcouVKHwyKDMjRJR3jisJGj p0DzIlchKibqeZ+tt+Q8OwCTaFAI5zloYkLTBPkbgcIm9PcyScYA6Me5OGwu0cyhcXVjaQo8yha oYw== X-Google-Smtp-Source: AGHT+IEq9ITkWQadcHY2Ncx7sHT1F5ugGt9OXwzI9QKpoVzCnOmo8Ay6t2SxdqenV51dMXJLprT+QVoeYmE= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:9d:3983:ac13:c240]) (user=seanjc job=sendgmr) by 2002:a25:e04e:0:b0:e30:cd7e:c0b5 with SMTP id 3f1490d57ef6-e30cd7ec150mr48674276.3.1730908981267; Wed, 06 Nov 2024 08:03:01 -0800 (PST) Date: Wed, 6 Nov 2024 08:02:42 -0800 In-Reply-To: <20241031203214.1585751-1-seanjc@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241031203214.1585751-1-seanjc@google.com> X-Mailer: git-send-email 2.47.0.199.ga7371fff76-goog Message-ID: <173078661182.2102830.10430525599582052471.b4-ty@google.com> Subject: Re: [PATCH] KVM: SVM: Propagate error from snp_guest_req_init() to userspace From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Carpenter Content-Type: text/plain; charset="utf-8" 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