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([2602:47:d483:7301:aef:cddd:11b6:aee3]) by smtp.gmail.com with ESMTPSA id m6-20020a170902db0600b001b51b3e84cesm9759286plx.166.2023.08.08.20.18.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Aug 2023 20:18:27 -0700 (PDT) Message-ID: Date: Tue, 8 Aug 2023 20:18:26 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v2 7/7] tcg/ppc: Use prefixed instructions for tcg_out_goto_tb Content-Language: en-US To: Jordan Niethe Cc: qemu-devel@nongnu.org, npiggin@gmail.com, qemu-ppc@nongnu.org References: <20230808030250.50602-1-richard.henderson@linaro.org> <20230808030250.50602-8-richard.henderson@linaro.org> From: Richard Henderson In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::42c; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42c.google.com X-Spam_score_int: -61 X-Spam_score: -6.2 X-Spam_bar: ------ X-Spam_report: (-6.2 / 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, NICE_REPLY_A=-4.14, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 8/8/23 19:56, Jordan Niethe wrote: > On Tue, Aug 8, 2023 at 1:02 PM Richard Henderson > wrote: >> >> When a direct branch is out of range, we can load the destination for >> the indirect branch using PLA (for 16GB worth of buffer) and PLD from >> the TranslationBlock for everything larger. >> >> This means the patch affects exactly one instruction: B (plus filler), >> PLA or PLD. Which means we can update and execute the patch atomically. > > I think the commit message needs to be updated for Nick's changes. Whoops, yes. r~