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Sun, 09 Dec 2018 06:24:24 -0800 (PST) Subject: Re: [PATCH v6 02/13] arm64: add pointer authentication register bits To: Kristina Martsenko , linux-arm-kernel@lists.infradead.org References: <20181207183931.4285-1-kristina.martsenko@arm.com> <20181207183931.4285-3-kristina.martsenko@arm.com> From: Richard Henderson Openpgp: preference=signencrypt Message-ID: Date: Sun, 9 Dec 2018 08:24:20 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1 MIME-Version: 1.0 In-Reply-To: <20181207183931.4285-3-kristina.martsenko@arm.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181209_062436_520398_37AD6141 X-CRM114-Status: UNSURE ( 9.85 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Andrew Jones , Jacob Bramley , Ard Biesheuvel , Marc Zyngier , Catalin Marinas , Adam Wallis , Suzuki K Poulose , Will Deacon , Christoffer Dall , kvmarm@lists.cs.columbia.edu, Cyrill Gorcunov , Ramana Radhakrishnan , Amit Kachhap , Dave P Martin , linux-kernel@vger.kernel.org, Kees Cook Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 12/7/18 12:39 PM, Kristina Martsenko wrote: > #define SCTLR_ELx_DSSBS (1UL << 44) > +#define SCTLR_ELx_ENIA (1 << 31) 1U or 1UL lest you produce signed -0x80000000. Otherwise, Reviewed-by: Richard Henderson r~ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel