From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8795A936 for ; Wed, 12 Apr 2023 21:35:28 +0000 (UTC) Received: by mail-yb1-f202.google.com with SMTP id j6-20020a255506000000b00b8ef3da4acfso10961518ybb.8 for ; Wed, 12 Apr 2023 14:35:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1681335327; x=1683927327; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=dhrsBiTuRjQtjQ4EZddQuAWvN8rC8eA79u9jMPngMl0=; b=pzM8+7lUWwg1ctdt2epdb63FhOV76MRpYAvlOaDzO4lPffbgXGSciySvkTLGMABUo5 4Ix+ciTJNGaKEFiCj5wXKtvT6Ld76sG3TFtk+fxp7YvW4cU6b8MuIBAUCI0slkvN9HyC qoL691NessVKP39louyP6+8hEG1m2ZzP+9/pg4vgCFSv8hrSWHLtxWIezGImYBdrqoeE 9ouBzPUcFw3az2ZP6o+SHnsVaHJjjShgRZVyCZvErV2v6Q143Z73O9BGkTpxm5DHKKlt ehC4CUaXrwW+RId5xZYKrp13x89+m+8HIZn1FgRcIsaIYjOODmDqahB9EnxcEdndyFLJ F8HA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681335327; x=1683927327; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=dhrsBiTuRjQtjQ4EZddQuAWvN8rC8eA79u9jMPngMl0=; b=an3HC/xgUlH+fuJRdsJZEO3DvXvWs8ZOR+jFKpOYn49oK6loMILTafC+7GjCOus5+m V7rzzRsN5DBEYlXq3FDRmalkuQvb7bwVxwMJYKLvx+h/gm2tmchaxhtzZlIb6rpHCp+I hsXtMHQpFv3v/uRkBDvt29OLmIzU6wXb184NbXyi9U6i/nAVH1i96QmPVDEXZVuLCcIF Ng0b/0ENy9MgDFlUfUHLurK2HWzYrs4Dldpu6pPBh7r7SGogQKik5zImgcjxkbiJfV6X WMGqPvwz2jtcHnCu0Z/5MmyEUwmmrJ9wuFLu2FozBn545Lqf5ykHEOc0mUswAv7DLhik 76/A== X-Gm-Message-State: AAQBX9cIRyNMV9UGXVf4eZ0vtCcO69zT/HX9f4+cpDhInsG1+8sZpMgN fw4LPBzpBi5fgz/TNj0G+XrRZP72jT+CvA== X-Google-Smtp-Source: AKy350Yy9fFTdXwRu581MJp8gUoz3r22sI/d6sx2YB+r1CcqrBU9VrdlOkwBv38wUmogzZeQ3SFDc3UDjxFb+w== X-Received: from laogai.c.googlers.com ([fda3:e722:ac3:cc00:2b:7d90:c0a8:2c9]) (user=amoorthy job=sendgmr) by 2002:a05:690c:706:b0:545:5f92:f7ee with SMTP id bs6-20020a05690c070600b005455f92f7eemr16253ywb.2.1681335327843; Wed, 12 Apr 2023 14:35:27 -0700 (PDT) Date: Wed, 12 Apr 2023 21:35:02 +0000 In-Reply-To: <20230412213510.1220557-1-amoorthy@google.com> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230412213510.1220557-1-amoorthy@google.com> X-Mailer: git-send-email 2.40.0.577.gac1e443424-goog Message-ID: <20230412213510.1220557-15-amoorthy@google.com> Subject: [PATCH v3 14/22] KVM: x86: Annotate -EFAULTs from kvm_pv_clock_pairing() From: Anish Moorthy To: pbonzini@redhat.com, maz@kernel.org Cc: oliver.upton@linux.dev, seanjc@google.com, jthoughton@google.com, amoorthy@google.com, bgardon@google.com, dmatlack@google.com, ricarkol@google.com, axelrasmussen@google.com, peterx@redhat.com, kvm@vger.kernel.org, kvmarm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Implement KVM_CAP_MEMORY_FAULT_INFO for efaults generated by kvm_pv_clock_pairing(). Signed-off-by: Anish Moorthy --- arch/x86/kvm/x86.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 0925678e741de..3e9deab31e1c8 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -9589,8 +9589,10 @@ static int kvm_pv_clock_pairing(struct kvm_vcpu *vcpu, gpa_t paddr, ret = 0; if (kvm_write_guest(vcpu->kvm, paddr, &clock_pairing, - sizeof(struct kvm_clock_pairing))) + sizeof(struct kvm_clock_pairing))) { + kvm_populate_efault_info(vcpu, paddr, sizeof(struct kvm_clock_pairing)); ret = -KVM_EFAULT; + } return ret; } -- 2.40.0.577.gac1e443424-goog