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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB625C433F5 for ; Tue, 5 Oct 2021 12:04:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3F61613D5 for ; Tue, 5 Oct 2021 12:04:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233817AbhJEMGB (ORCPT ); Tue, 5 Oct 2021 08:06:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:35008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234419AbhJEMF4 (ORCPT ); Tue, 5 Oct 2021 08:05:56 -0400 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 33FF4613D5; Tue, 5 Oct 2021 12:04:06 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=hot-poop.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mXjAy-00Erv4-3G; Tue, 05 Oct 2021 13:04:04 +0100 From: Marc Zyngier To: Quentin Perret , David Brazdil , Suzuki K Poulose , linux-arm-kernel@lists.infradead.org, Will Deacon , kvmarm@lists.cs.columbia.edu, James Morse , linux-kernel@vger.kernel.org, Fuad Tabba , Catalin Marinas , Alexandru Elisei Cc: kernel-team@android.com Subject: Re: [PATCH v2 0/2] A couple of EL2 refcounts fixes Date: Tue, 5 Oct 2021 13:03:57 +0100 Message-Id: <163343543062.3848981.1421083280351176528.b4-ty@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211005090155.734578-4-qperret@google.com> References: <20211005090155.734578-1-qperret@google.com> <20211005090155.734578-4-qperret@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: qperret@google.com, dbrazdil@google.com, suzuki.poulose@arm.com, linux-arm-kernel@lists.infradead.org, will@kernel.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com, linux-kernel@vger.kernel.org, tabba@google.com, catalin.marinas@arm.com, alexandru.elisei@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 5 Oct 2021 10:01:40 +0100, Quentin Perret wrote: > This is v2 of the series previously posted here: > > https://lore.kernel.org/kvmarm/20211004090328.540941-1-qperret@google.com/ > > This addresses a couple of issues Will has found with the refcounting of > page-tables at EL2. Patch 01 fixes a nasty bug, and probably wants to go > in -stable. Patch 02 fixes a small inconsistency which made it harder to > find refcount-related bugs at EL2. > > [...] Applied to fixes, thanks! [1/2] KVM: arm64: Fix host stage-2 PGD refcount commit: 1d58a17ef54599506d44c45ac95be27273a4d2b1 [2/2] KVM: arm64: Report corrupted refcount at EL2 commit: 7615c2a514788559c6684234b8fc27f3a843c2c6 Cheers, M. -- Without deviation from the norm, progress is not possible. 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AF64C433EF for ; Tue, 5 Oct 2021 12:04:11 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id D7DBF61502 for ; Tue, 5 Oct 2021 12:04:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D7DBF61502 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 879EA4B2DA; Tue, 5 Oct 2021 08:04:10 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IIggNCoRM19q; Tue, 5 Oct 2021 08:04:09 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 764954B2DE; Tue, 5 Oct 2021 08:04:09 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 590884B2DA for ; Tue, 5 Oct 2021 08:04:08 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1+gDc7b1m-gV for ; Tue, 5 Oct 2021 08:04:07 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 399304B2D9 for ; Tue, 5 Oct 2021 08:04:07 -0400 (EDT) Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 33FF4613D5; Tue, 5 Oct 2021 12:04:06 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=hot-poop.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mXjAy-00Erv4-3G; Tue, 05 Oct 2021 13:04:04 +0100 From: Marc Zyngier To: Quentin Perret , David Brazdil , Suzuki K Poulose , linux-arm-kernel@lists.infradead.org, Will Deacon , kvmarm@lists.cs.columbia.edu, James Morse , linux-kernel@vger.kernel.org, Fuad Tabba , Catalin Marinas , Alexandru Elisei Subject: Re: [PATCH v2 0/2] A couple of EL2 refcounts fixes Date: Tue, 5 Oct 2021 13:03:57 +0100 Message-Id: <163343543062.3848981.1421083280351176528.b4-ty@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211005090155.734578-4-qperret@google.com> References: <20211005090155.734578-1-qperret@google.com> <20211005090155.734578-4-qperret@google.com> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: qperret@google.com, dbrazdil@google.com, suzuki.poulose@arm.com, linux-arm-kernel@lists.infradead.org, will@kernel.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com, linux-kernel@vger.kernel.org, tabba@google.com, catalin.marinas@arm.com, alexandru.elisei@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Cc: kernel-team@android.com X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On Tue, 5 Oct 2021 10:01:40 +0100, Quentin Perret wrote: > This is v2 of the series previously posted here: > > https://lore.kernel.org/kvmarm/20211004090328.540941-1-qperret@google.com/ > > This addresses a couple of issues Will has found with the refcounting of > page-tables at EL2. Patch 01 fixes a nasty bug, and probably wants to go > in -stable. Patch 02 fixes a small inconsistency which made it harder to > find refcount-related bugs at EL2. > > [...] Applied to fixes, thanks! [1/2] KVM: arm64: Fix host stage-2 PGD refcount commit: 1d58a17ef54599506d44c45ac95be27273a4d2b1 [2/2] KVM: arm64: Report corrupted refcount at EL2 commit: 7615c2a514788559c6684234b8fc27f3a843c2c6 Cheers, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 701CBC433F5 for ; Tue, 5 Oct 2021 12:06:05 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3357F613D5 for ; Tue, 5 Oct 2021 12:06:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3357F613D5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mhn8/a/mWARStdefL0JxV07Z4dtjBCIaaoV6yZYZjB4=; b=mTxfkjl4CvPOW1 Q91oCXj/QsE+R02Nyx2oN8SJtht7hXqmR1xeDgCXfxZjZExdUibtmnY/fTzHu3Xw5bvK/fH57jqfi ZpOleQHj12lLUsjtR5UJNbOT8af9Xt4CLCIlX9p5jC85vZqSnjE5yhAPf/tamBGLAF7qTJqJXusy0 laAD6yBLEpQPC+PYXmSN6LRVCh2fhgagFRSgRoSKzN5ha5SJsn5KO+VNZCNpi9FtwgZLYTsSO2u0v oVgNIHwePl2k7X90fsykfRItbZpTi4WVa8QbhH27/T2BeVBcfEZPj744JxCwdSB6mRwRovvL3t8Ga We7pnCnoUXwGgxAl3btg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXjB5-00AGPP-0s; Tue, 05 Oct 2021 12:04:11 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXjB0-00AGOV-Q2 for linux-arm-kernel@lists.infradead.org; Tue, 05 Oct 2021 12:04:08 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 33FF4613D5; Tue, 5 Oct 2021 12:04:06 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=hot-poop.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1mXjAy-00Erv4-3G; Tue, 05 Oct 2021 13:04:04 +0100 From: Marc Zyngier To: Quentin Perret , David Brazdil , Suzuki K Poulose , linux-arm-kernel@lists.infradead.org, Will Deacon , kvmarm@lists.cs.columbia.edu, James Morse , linux-kernel@vger.kernel.org, Fuad Tabba , Catalin Marinas , Alexandru Elisei Cc: kernel-team@android.com Subject: Re: [PATCH v2 0/2] A couple of EL2 refcounts fixes Date: Tue, 5 Oct 2021 13:03:57 +0100 Message-Id: <163343543062.3848981.1421083280351176528.b4-ty@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211005090155.734578-4-qperret@google.com> References: <20211005090155.734578-1-qperret@google.com> <20211005090155.734578-4-qperret@google.com> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: qperret@google.com, dbrazdil@google.com, suzuki.poulose@arm.com, linux-arm-kernel@lists.infradead.org, will@kernel.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com, linux-kernel@vger.kernel.org, tabba@google.com, catalin.marinas@arm.com, alexandru.elisei@arm.com, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211005_050406_882557_FF920B11 X-CRM114-Status: GOOD ( 13.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 5 Oct 2021 10:01:40 +0100, Quentin Perret wrote: > This is v2 of the series previously posted here: > > https://lore.kernel.org/kvmarm/20211004090328.540941-1-qperret@google.com/ > > This addresses a couple of issues Will has found with the refcounting of > page-tables at EL2. Patch 01 fixes a nasty bug, and probably wants to go > in -stable. Patch 02 fixes a small inconsistency which made it harder to > find refcount-related bugs at EL2. > > [...] Applied to fixes, thanks! [1/2] KVM: arm64: Fix host stage-2 PGD refcount commit: 1d58a17ef54599506d44c45ac95be27273a4d2b1 [2/2] KVM: arm64: Report corrupted refcount at EL2 commit: 7615c2a514788559c6684234b8fc27f3a843c2c6 Cheers, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel