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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , BillXiang Subject: [PULL 44/91] vhost-user: Skip unnecessary duplicated VHOST_USER_SET_LOG_BASE requests Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent 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=170.10.133.124; envelope-from=mst@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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1719929595231100024 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: BillXiang The VHOST_USER_SET_LOG_BASE requests should be categorized into non-vring specific messages, and should be sent only once. If send more than once, dpdk will munmap old log_addr which may has been us= ed and cause segmentation fault. Signed-off-by: BillXiang Message-Id: <20240613065150.3100-1-xiangwencheng@dayudpu.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/vhost-user.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index c407ea8939..00561daa06 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -371,6 +371,7 @@ static bool vhost_user_per_device_request(VhostUserRequ= est request) case VHOST_USER_RESET_DEVICE: case VHOST_USER_ADD_MEM_REG: case VHOST_USER_REM_MEM_REG: + case VHOST_USER_SET_LOG_BASE: return true; default: return false; --=20 MST