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[61.68.137.140]) by smtp.gmail.com with ESMTPSA id s8-20020aa78d48000000b006873aa079aasm7126705pfe.171.2023.08.07.20.09.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Aug 2023 20:09:22 -0700 (PDT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 08 Aug 2023 13:09:15 +1000 Message-Id: Cc: =?utf-8?q?C=C3=A9dric_Le_Goater?= , "David Gibson" , "Greg Kurz" , "Harsh Prateek Bora" , "Pavel Dovgalyuk" , "Paolo Bonzini" , , Subject: Re: [PATCH 4/7] spapr: Fix record-replay machine reset consuming too many events From: "Nicholas Piggin" To: "Nicholas Piggin" , "Pavel Dovgalyuk" , "Daniel Henrique Barboza" X-Mailer: aerc 0.15.2 References: <20230726183532.434380-1-npiggin@gmail.com> <20230726183532.434380-5-npiggin@gmail.com> <3be75aa3-780d-2d4d-a68c-1f8d1d000ee8@ispras.ru> In-Reply-To: Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=npiggin@gmail.com; helo=mail-pf1-x42f.google.com 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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 Sun Aug 6, 2023 at 9:46 PM AEST, Nicholas Piggin wrote: > On Fri Aug 4, 2023 at 6:50 PM AEST, Pavel Dovgalyuk wrote: > > BTW, there is a function qemu_register_reset_nosnapshotload that can be= =20 > > used in similar cases. > > Can you just use it without changing the code of the reset handler? > > I didn't know that, thanks for pointing it out. I'll take a closer look > at it before reposting. Seems a bit tricky because the device tree has to be rebuilt at reset time (including snapshot load), but it uses the random number. So having a second nosnapshotload reset function might not be called in the correct order, I think? For now I will keep it as is. Thanks, Nick