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 563AEC001B0 for ; Wed, 16 Aug 2023 13:51:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245665AbjHPNvR (ORCPT ); Wed, 16 Aug 2023 09:51:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49678 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245725AbjHPNvA (ORCPT ); Wed, 16 Aug 2023 09:51:00 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1651626A9 for ; Wed, 16 Aug 2023 06:50:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 9E445659E4 for ; Wed, 16 Aug 2023 13:50:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 10CFCC433D9 for ; Wed, 16 Aug 2023 13:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692193855; bh=E8y5+JDyjAjsLlfb+pjXj6prN4MGwFOI1xWqzB3Fjxs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=XN/1OtJh/5BUS2+itH0Up6vH8M9xLd63gY148QcrGlV7i5es2aZuK/JthTKXowDke 50N0dNHbwa0eEDwR0HJaSJZG0tVSquTO1FDcxkMH7dqLqm79tSeeKoTzj2jAp1PCWZ 6pyjj/Xv/mZndNLva4pmVvwIY1Y46K4N2x6gGQUFCVeyuTEbpSnASQensYp/yi4SWI 2c3S6yuFUi8u1Yc4YO+zjZdN6+MurXCDlput9gKVUNAB0qMilYQRFFS5YbDNtOGZWY 0dfxnymhmByRD3Vy59H55jlWhk2gP6Yxq8KpiGXbkEeVaCipUkZa+XiKaTcR2aeVYn XPSlYomMTNxUg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id F1B99C53BD4; Wed, 16 Aug 2023 13:50:54 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 217799] kvm: Speculative RAS Overflow mitigation breaks old Windows guest VMs Date: Wed, 16 Aug 2023 13:50:54 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Product: Virtualization X-Bugzilla-Component: kvm X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: seanjc@google.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D217799 Sean Christopherson (seanjc@google.com) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |seanjc@google.com --- Comment #5 from Sean Christopherson (seanjc@google.com) --- As pointed out by Vitaly, this is probably the guest RFLAGS corruption bug[= *], especially since it's XP specific (more likely to trigger emulation). The = fix should make its way to Linus' tree this week, and hopefully to stable kerne= ls shortly thereafter. Though if you can manually apply and test the fix befo= re then, that would be very helpful. [*] https://lore.kernel.org/all/20230811155255.250835-1-seanjc@google.com --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=