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 A58B8C3DA7D for ; Tue, 3 Jan 2023 22:49:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233197AbjACWtC (ORCPT ); Tue, 3 Jan 2023 17:49:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233881AbjACWtA (ORCPT ); Tue, 3 Jan 2023 17:49:00 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E49C1401C for ; Tue, 3 Jan 2023 14:48:59 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A3E466151C for ; Tue, 3 Jan 2023 22:48:58 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 11E29C43392 for ; Tue, 3 Jan 2023 22:48:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1672786138; bh=PK8LhXsExAUD9uU0pOYt6GHn4aYLjy3SFsrHN0PzEZY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=FaaIlk0TO8ht/iv5N9GsTzeRch0sxgToOPZjewhaYYF+xtePAwbFiP0tIe02QNrGJ CBpxwZ3mUiIj5qAui7cf4+kPD+OFgmAS9H6z2qyIc5JUSZpcLqCddcNSFhj5RlGWGi Z6K2gcbe0H0lL/EIhC5tH5wkq/qSzM+gF8HRIgdZV5lzfOypQABahiz44xmiC2zXdC wocS7seq+ipFRcKsIAOeim3sYx+W5RJcNcd9eKTOFnF4yUbkyPg23u7oD0MCYuc9o0 1suqTxSToJnK12xuVFI8Un0GsjITFMZic0XCirSsh5pXETgN5HI61xUIeN9h3hHG8b u7PVIfRUO+BMA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id EB47CC43144; Tue, 3 Jan 2023 22:48:57 +0000 (UTC) From: bugzilla-daemon@kernel.org To: kvm@vger.kernel.org Subject: [Bug 216867] KVM instruction emulation breaks LOCK instruction atomicity when CMPXCHG fails Date: Tue, 03 Jan 2023 22:48:57 +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: ercli@ucdavis.edu X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: WILL_NOT_FIX X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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=3D216867 --- Comment #3 from Eric Li (ercli@ucdavis.edu) --- Just FYI: VMware Workstation Player 16.2.4 has the same behavior, which is reported in https://communities.vmware.com/t5/VMware-Workstation-Player/LOCK-instructio= n-atomicity-broken-on-VGA-memory-mapped-IO/m-p/2946505#M39982 I tested on the following hypervisors / emulators, and do not see this bug: * Virtual Box (version 6.1.40) * QEMU TCG (version 5.2.0) * Hyper-V --=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.=