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[71.56.235.36]) by smtp.gmail.com with ESMTPSA id x18sm81998ior.10.2021.04.21.11.09.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Apr 2021 11:09:46 -0700 (PDT) Date: Wed, 21 Apr 2021 12:09:44 -0600 From: dann frazier To: Marc Zyngier Cc: Lorenzo Pieralisi , Sudeep Holla , Hanjun Guo , Fu Wei , Len Brown , "Rafael J. Wysocki" , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com Subject: Re: [PATCH 0/2] arm64: ACPI GTDT watchdog fixes Message-ID: References: <20210421164317.1718831-1-maz@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210421164317.1718831-1-maz@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210421_110950_744359_5B3C68CF X-CRM114-Status: GOOD ( 16.56 ) 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 Wed, Apr 21, 2021 at 05:43:15PM +0100, Marc Zyngier wrote: > Dann recently reported that his ThunderX machine failed to boot since > 64b499d8df40 ("irqchip/gic-v3: Configure SGIs as standard > interrupts"), with a not so pretty crash while trying to send an IPI. > > It turned out to be caused by a mix of broken firmware and a buggy > GTDT watchdog driver. Both have forever been buggy, but the above > commit revealed that the error handling path of the driver was > probably the worse part of it all. > > Anyway, this short series has two goals: > - handle broken firmware in a less broken way > - make sure that the route cause of the problem can be identified > quickly > > Thanks, > > M. > > Marc Zyngier (2): > ACPI: GTDT: Don't corrupt interrupt mappings on watchdow probe failure > ACPI: irq: Prevent unregistering of GIC SGIs > > drivers/acpi/arm64/gtdt.c | 10 ++++++---- > drivers/acpi/irq.c | 6 +++++- > 2 files changed, 11 insertions(+), 5 deletions(-) For the series: Tested-by: dann frazier _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel