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bh=yaNTKcQ78iWG3tweSBSqT2U1/jqZGHJyko/SiaBEb6o=; b=DSzKcjykJszmNoP/VZUz8Ma6n7mSZsP3SHCxVb9wB4V408F8P7QsL9lZboHWo9N5cQzbxK 80PTUhnvTwpTGucD4WvDcrtENuydUXqpAaI7YIE7sJN5XwMQ9G+08lI/epc5AzsmIRLAi8 IopFQFiYRfJIbbOQnuwHE0FhW/AHAEM= X-MC-Unique: 3JAbom91NNODMt-_ZcmvRA-1 From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, david@redhat.com, zhukeqian1@huawei.com, jiangkunkun@huawei.com, armbru@redhat.com, peter.maydell@linaro.org, huangy81@chinatelecom.cn Subject: [PULL 07/17] numa: Make all callbacks of ram block notifiers optional Date: Tue, 11 May 2021 16:08:32 +0100 Message-Id: <20210511150842.207155-8-dgilbert@redhat.com> In-Reply-To: <20210511150842.207155-1-dgilbert@redhat.com> References: <20210511150842.207155-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.699, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peterx@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" From: David Hildenbrand Let's make add/remove optional. We want to introduce a RAM block notifier for RAM migration that is only interested in resize events. Reviewed-by: Peter Xu Signed-off-by: David Hildenbrand Message-Id: <20210429112708.12291-4-david@redhat.com> Signed-off-by: Dr. David Alan Gilbert --- hw/core/numa.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/hw/core/numa.c b/hw/core/numa.c index 4c58b2348d..1058d3697b 100644 --- a/hw/core/numa.c +++ b/hw/core/numa.c @@ -818,8 +818,11 @@ static int ram_block_notify_add_single(RAMBlock *rb, v= oid *opaque) void ram_block_notifier_add(RAMBlockNotifier *n) { QLIST_INSERT_HEAD(&ram_list.ramblock_notifiers, n, next); + /* Notify about all existing ram blocks. */ - qemu_ram_foreach_block(ram_block_notify_add_single, n); + if (n->ram_block_added) { + qemu_ram_foreach_block(ram_block_notify_add_single, n); + } } =20 void ram_block_notifier_remove(RAMBlockNotifier *n) @@ -832,7 +835,9 @@ void ram_block_notify_add(void *host, size_t size, size= _t max_size) RAMBlockNotifier *notifier; =20 QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) { - notifier->ram_block_added(notifier, host, size, max_size); + if (notifier->ram_block_added) { + notifier->ram_block_added(notifier, host, size, max_size); + } } } =20 @@ -841,7 +846,9 @@ void ram_block_notify_remove(void *host, size_t size, s= ize_t max_size) RAMBlockNotifier *notifier; =20 QLIST_FOREACH(notifier, &ram_list.ramblock_notifiers, next) { - notifier->ram_block_removed(notifier, host, size, max_size); + if (notifier->ram_block_removed) { + notifier->ram_block_removed(notifier, host, size, max_size); + } } } =20 --=20 2.31.1