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[66.91.136.155]) by smtp.gmail.com with ESMTPSA id k44sm14309889pjb.20.2020.01.13.11.10.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Jan 2020 11:10:03 -0800 (PST) Subject: Re: [PATCH v10 3/3] arm64: Use v8.5-RNG entropy for KASLR seed To: Mark Brown , Will Deacon , Catalin Marinas References: <20200110122341.8445-1-broonie@kernel.org> <20200110122341.8445-4-broonie@kernel.org> From: Richard Henderson Message-ID: Date: Mon, 13 Jan 2020 09:09:59 -1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20200110122341.8445-4-broonie@kernel.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200113_111005_108451_332EB6E5 X-CRM114-Status: GOOD ( 11.46 ) 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: Mark Rutland , linux-arm-kernel@lists.infradead.org, Ard Biesheuvel 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 1/10/20 2:23 AM, Mark Brown wrote: > When seeding KALSR on a system where we have architecture level random > number generation make use of that entropy, mixing it in with the seed > passed by the bootloader. Since this is run very early in init before > feature detection is complete we open code rather than use archrandom.h. > > Signed-off-by: Mark Brown > --- > arch/arm64/kernel/kaslr.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) 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