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 X-Spam-Level: X-Spam-Status: No, score=-20.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PULL_REQUEST,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BEA8EC43464 for ; Fri, 18 Sep 2020 17:17:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 822C822208 for ; Fri, 18 Sep 2020 17:17:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600449445; bh=dT/SIIBfk6PdNJR5wifdnUhvj/zHp9ljO8pxvLb8ouI=; h=From:To:Cc:Subject:Date:List-ID:From; b=yxilRB3fXBzvKVTI4p/Kj6hGaZp0e0GrFtMC/J5jX5nqOquv+6go6Y/44FBZ7RiRl wBioYQiWsC1oUg+QsSqybAedFea0y26+SYu6EnMx4f9aTCRUyCRg44fXHi4KDYrB5T yUAcicmQUsEcRuDxKkDPwbQO212h1G5JEhzS+zFE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726252AbgIRRRY (ORCPT ); Fri, 18 Sep 2020 13:17:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:34796 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726139AbgIRRRY (ORCPT ); Fri, 18 Sep 2020 13:17:24 -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 A805421707; Fri, 18 Sep 2020 17:17:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600449443; bh=dT/SIIBfk6PdNJR5wifdnUhvj/zHp9ljO8pxvLb8ouI=; h=From:To:Cc:Subject:Date:From; b=sScf8brvcJJZ1OIxlPXSE1vyOhRAJ5bWUdN6HZa64ks2ni7AZwUMHOnkWSDlqXw4e xtXYTKivF9Gu6fe7f3g/dWxh721wKq0KoLRgqv36d8C5Tyt/J9fwZajTktVbkzsjGR POg34ttD0fKp8lZK5OLvELOcV3sNsBevkCMuyI44= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kJK0f-00D4ZN-PC; Fri, 18 Sep 2020 18:17:21 +0100 From: Marc Zyngier To: Paolo Bonzini Cc: Will Deacon , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, James Morse , Julien Thierry , Suzuki K Poulose Subject: [GIT PULL] KVM/arm64 fixes for 5.9, take #2 Date: Fri, 18 Sep 2020 18:16:49 +0100 Message-Id: <20200918171651.1340445-1-maz@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: pbonzini@redhat.com, will@kernel.org, kernel-team@android.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.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: kvm@vger.kernel.org Hi Paolo, Here's the latest set of fixes for 5.9. The first patch is pretty nasty, as a guest hitting this bug will have its vcpu stuck on a fault, without any hope of it being resolved. Embarrassing, and definitely a stable candidate. The second patch is only a cleanup after the first one. Please pull, M. The following changes since commit 7b75cd5128421c673153efb1236705696a1a9812: KVM: arm64: Update page shift if stage 2 block mapping not supported (2020-09-04 10:53:48 +0100) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-5.9-2 for you to fetch changes up to 620cf45f7a516bf5fe9e5dce675a652e935c8bde: KVM: arm64: Remove S1PTW check from kvm_vcpu_dabt_iswrite() (2020-09-18 18:01:48 +0100) ---------------------------------------------------------------- KVM/arm64 fixes for 5.9, take #2 - Fix handling of S1 Page Table Walk permission fault at S2 on instruction fetch - Cleanup kvm_vcpu_dabt_iswrite() ---------------------------------------------------------------- Marc Zyngier (2): KVM: arm64: Assume write fault on S1PTW permission fault on instruction fetch KVM: arm64: Remove S1PTW check from kvm_vcpu_dabt_iswrite() arch/arm64/include/asm/kvm_emulate.h | 14 +++++++++++--- arch/arm64/kvm/hyp/include/hyp/switch.h | 2 +- arch/arm64/kvm/mmu.c | 4 ++-- 3 files changed, 14 insertions(+), 6 deletions(-)