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Wed, 19 Feb 2020 12:48:51 -0800 (PST) Date: Wed, 19 Feb 2020 15:48:50 -0500 From: Peter Xu To: David Hildenbrand Subject: Re: [PATCH v1 03/13] numa: Teach ram block notifiers about resizeable ram blocks Message-ID: <20200219204850.GE37550@xz-x1> References: <20200219161725.115218-1-david@redhat.com> <20200219161725.115218-4-david@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200219161725.115218-4-david@redhat.com> X-MC-Unique: Jx0P2XkxNxCGkRhn5VQwKg-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: Stefano Stabellini , Eduardo Habkost , Juan Quintela , Paul Durrant , qemu-devel@nongnu.org, "Dr . David Alan Gilbert" , Igor Mammedov , "Michael S. Tsirkin" , xen-devel@lists.xenproject.org, Anthony Perard , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, Feb 19, 2020 at 05:17:15PM +0100, David Hildenbrand wrote: > Ram block notifiers are currently not aware of resizes. Especially to > handle resizes during migration, but also to implement actually resizeabl= e > ram blocks (make everything between used_length and max_length > inaccessible), we want to teach ram block notifiers about resizeable > ram. >=20 > Introduce the basic infrastructure but keep using max_size in the > existing notifiers. Supply the max_size when adding and removing ram > blocks. Also, notify on resizes. >=20 > Acked-by: Paul Durrant > Cc: Richard Henderson > Cc: Paolo Bonzini > Cc: "Dr. David Alan Gilbert" > Cc: Eduardo Habkost > Cc: Marcel Apfelbaum > Cc: Stefano Stabellini > Cc: Anthony Perard > Cc: Paul Durrant > Cc: "Michael S. Tsirkin" > Cc: xen-devel@lists.xenproject.org > Cc: Igor Mammedov > Signed-off-by: David Hildenbrand Reviewed-by: Peter Xu --=20 Peter Xu