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Fri, 18 Sep 2020 18:17:21 +0100 From: Marc Zyngier To: Paolo Bonzini 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200918_131725_016675_DCFB30CD X-CRM114-Status: GOOD ( 13.05 ) X-Spam-Score: -8.2 (--------) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-8.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -3.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, Suzuki K Poulose , Will Deacon , James Morse , Julien Thierry , kernel-team@android.com, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.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(-)