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[174.21.143.238]) by smtp.gmail.com with ESMTPSA id q12sm4718833pfn.129.2020.05.21.20.12.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 May 2020 20:12:20 -0700 (PDT) Subject: Re: [PATCH 0/2] Update use_goto_tb() in hppa and rx targets To: Ahmed Karaman , QEMU Developers , rth@twiddle.net, ysato@users.sourceforge.jp References: <20200519162144.10831-1-ahmedkhaledkaraman@gmail.com> From: Richard Henderson Message-ID: <4e78400c-42be-08c6-492d-dc5596551efd@linaro.org> Date: Thu, 21 May 2020 20:12:18 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::441; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x441.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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: Aleksandar Markovic , =?UTF-8?Q?Alex_Benn=c3=a9e?= , stefanha@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 5/21/20 4:32 AM, Ahmed Karaman wrote: > Does this mean that there is a bug > in this function for the other targets? Yes, I think so. > That we have to do the page crossings check in both modes to avoid the > user-mode failures that you have mentioned above? Well, that or we need to fix linux-user/mmap.c to do all the invalidations required. r~