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[81.40.121.39]) by smtp.gmail.com with ESMTPSA id z17sm8516842wro.1.2021.04.23.03.21.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 23 Apr 2021 03:21:36 -0700 (PDT) Subject: Re: [PATCH v2 4/7] linux-user: Honor TARGET_ARCH_HAS_SA_RESTORER in do_syscall To: Richard Henderson , qemu-devel@nongnu.org References: <20210422230227.314751-1-richard.henderson@linaro.org> <20210422230227.314751-5-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: <51544b46-f42e-5004-9fe0-6496e8214342@amsat.org> Date: Fri, 23 Apr 2021 12:21:35 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210422230227.314751-5-richard.henderson@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x430.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alex.bennee@linaro.org, laurent@vivier.eu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 4/23/21 1:02 AM, Richard Henderson wrote: > Do not access a field that may not be present. This will > become an issue when sharing more code in the next patch. > > Signed-off-by: Richard Henderson > --- > linux-user/syscall.c | 4 ++++ > 1 file changed, 4 insertions(+) Reviewed-by: Philippe Mathieu-Daudé