From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 762B6C7619A for ; Wed, 12 Apr 2023 21:35:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230112AbjDLVfj (ORCPT ); Wed, 12 Apr 2023 17:35:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229994AbjDLVfa (ORCPT ); Wed, 12 Apr 2023 17:35:30 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D3338685 for ; Wed, 12 Apr 2023 14:35:28 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id l124-20020a252582000000b00b8f5572bcdaso526809ybl.13 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=froTyeCgGy94lLEuEbC+T6RmLihXZHwKF4WthzPuq727AUhDp4kykAhI3RUZNo3v4X I6d3hfSBlsEW5DNZ3i0ULn2oTfu2QtIgu9u0ATHq5e0LkyCOHWGF0hBL80UvtcYisdB+ pDQ0DReA3f9zfY8NiyJH5K1SwnskHv2KB+3CbV1CO6qq53BTK6RL6UEtwWcNSNmdVNj6 OsFBH3wB7oDg7o37Xcusx+pYDuVKG0gpIADvS1b4hkOo5MR+9uWwbXiOBVkA38uU1VgR JTrv2EAjcV+RJgF5Zp1QaTxTJFAx5cYLH11CQVuAWfNk/dF0bv807Wsv+QfV0D8bMbyw KDWw== X-Gm-Message-State: AAQBX9dxlVS348yV26A+uh5zNseejbMPSda36sgGAuNANLhD02jKe8bp +2r8Yr2ncashxtN5mKGYB5u8vt7n+GeO2w== 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> 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" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org 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