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[188.85.120.92]) by smtp.gmail.com with ESMTPSA id i11-20020adff30b000000b0030644bdefd8sm14002775wro.52.2023.05.09.03.44.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 May 2023 03:44:33 -0700 (PDT) From: Juan Quintela To: Lukas Straub Cc: qemu-devel , Peter Xu , Leonardo Bras Subject: Re: [PATCH v2 1/6] ram: Add public helper to set colo bitmap In-Reply-To: <22d83cb428f37929563155531bfb69fd8953cc61.1683572883.git.lukasstraub2@web.de> (Lukas Straub's message of "Mon, 8 May 2023 21:10:52 +0200") References: <22d83cb428f37929563155531bfb69fd8953cc61.1683572883.git.lukasstraub2@web.de> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) Date: Tue, 09 May 2023 12:44:32 +0200 Message-ID: <87y1lxeqcv.fsf@secure.mitica> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=170.10.129.124; envelope-from=quintela@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, 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_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: , Reply-To: quintela@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Lukas Straub wrote: > The overhead of the mutex in non-multifd mode is negligible, > because in that case its just the single thread taking the mutex. > > This will be used in the next commits to add colo support to multifd. > > Signed-off-by: Lukas Straub Reviewed-by: Juan Quintela queued.