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Date: Fri, 1 Mar 2024 02:28:26 +0000 Message-Id: <20240301022829.3390548-5-hao.xiang@bytedance.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20240301022829.3390548-1-hao.xiang@bytedance.com> References: <20240301022829.3390548-1-hao.xiang@bytedance.com> MIME-Version: 1.0 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=2607:f8b0:4864:20::c2c; envelope-from=hao.xiang@bytedance.com; helo=mail-oo1-xc2c.google.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, 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @bytedance.com) X-ZM-MESSAGEID: 1709260241901100001 Content-Type: text/plain; charset="utf-8" Set default "zero-page-detection" option to "multifd". Now zero page checking can be done in the multifd threads and this becomes the default configuration. We still provide backward compatibility where zero page checking is done from the migration main thread. Signed-off-by: Hao Xiang --- migration/options.c | 2 +- qapi/migration.json | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/migration/options.c b/migration/options.c index 3c603391b0..3c79b6ccd4 100644 --- a/migration/options.c +++ b/migration/options.c @@ -181,7 +181,7 @@ Property migration_properties[] =3D { MIG_MODE_NORMAL), DEFINE_PROP_ZERO_PAGE_DETECTION("zero-page-detection", MigrationState, parameters.zero_page_detection, - ZERO_PAGE_DETECTION_LEGACY), + ZERO_PAGE_DETECTION_MULTIFD), =20 /* Migration capabilities */ DEFINE_PROP_MIG_CAP("x-xbzrle", MIGRATION_CAPABILITY_XBZRLE), diff --git a/qapi/migration.json b/qapi/migration.json index 846d0411d5..ca9561fbf1 100644 --- a/qapi/migration.json +++ b/qapi/migration.json @@ -903,7 +903,7 @@ # (Since 8.2) # # @zero-page-detection: Whether and how to detect zero pages. -# See description in @ZeroPageDetection. Default is 'legacy'. +# See description in @ZeroPageDetection. Default is 'multifd'. # (since 9.0) # # Features: @@ -1100,7 +1100,7 @@ # (Since 8.2) # # @zero-page-detection: Whether and how to detect zero pages. -# See description in @ZeroPageDetection. Default is 'legacy'. +# See description in @ZeroPageDetection. Default is 'multifd'. # (since 9.0) # # Features: @@ -1333,7 +1333,7 @@ # (Since 8.2) # # @zero-page-detection: Whether and how to detect zero pages. -# See description in @ZeroPageDetection. Default is 'legacy'. +# See description in @ZeroPageDetection. Default is 'multifd'. # (since 9.0) # # Features: --=20 2.30.2