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[80.251.214.228]) by smtp.gmail.com with ESMTPSA id j9sm10635936pjn.32.2021.02.06.02.48.59 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 06 Feb 2021 02:49:01 -0800 (PST) Date: Sat, 6 Feb 2021 18:48:55 +0800 From: Shawn Guo To: Ard Biesheuvel Subject: Re: [PATCH] Revert "ACPICA: Interpreter: fix memory leak by using existing buffer" Message-ID: <20210206104854.GC27503@dragon> References: <20210206084937.20853-1-ardb@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210206084937.20853-1-ardb@kernel.org> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210206_054903_925301_E1878221 X-CRM114-Status: GOOD ( 11.45 ) 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: "Rafael J. Wysocki" , Erik Kaneda , Robert Moore , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Len Brown , linux-arm-kernel@lists.infradead.org, devel@acpica.org 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 Sat, Feb 06, 2021 at 09:49:37AM +0100, Ard Biesheuvel wrote: > This reverts commit 32cf1a12cad43358e47dac8014379c2f33dfbed4. > > The 'exisitng buffer' in this case is the firmware provided table, and > we should not modify that in place. This fixes a crash on arm64 with > initrd table overrides, in which case the DSDT is not mapped with > read/write permissions. > > Cc: Robert Moore > Cc: Erik Kaneda > Cc: "Rafael J. Wysocki" > Cc: Len Brown > Reported-by: Shawn Guo > Signed-off-by: Ard Biesheuvel Tested-by: Shawn Guo Thanks for fixing the regression, Ard! Shawn _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel