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[188.85.150.151]) by smtp.gmail.com with ESMTPSA id o12-20020a05600c4fcc00b0040775501256sm1732480wmq.16.2023.10.20.02.38.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Oct 2023 02:38:56 -0700 (PDT) From: Juan Quintela To: Steve Sistare Cc: qemu-devel@nongnu.org, Peter Xu , Fabiano Rosas , Leonardo Bras , Kevin Wolf , Stefan Hajnoczi Subject: Re: [PATCH V1 3/4] cpr: relax some blockers In-Reply-To: <1697748466-373230-4-git-send-email-steven.sistare@oracle.com> (Steve Sistare's message of "Thu, 19 Oct 2023 13:47:45 -0700") References: <1697748466-373230-1-git-send-email-steven.sistare@oracle.com> <1697748466-373230-4-git-send-email-steven.sistare@oracle.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.3 (gnu/linux) Date: Fri, 20 Oct 2023 11:38:55 +0200 Message-ID: <87r0lpzl8w.fsf@secure.mitica> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=170.10.133.124; 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, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: , 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 Steve Sistare wrote: > Some devices block migration because they rely on local state that > is not migrated to the target host, such as for local filesystems. > These need not block cpr, which will restart qemu on the same host. > Narrow the scope of these blockers so they only apply to normal mode. > They will not block cpr modes when they are added in subsequent patches. > > No functional change until a new mode is added. > > Signed-off-by: Steve Sistare Reviewed-by: Juan Quintela They are all basically block devices support, would be great to have a comment from someone from the block layer. Later, Juan.