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[75.169.17.216]) by smtp.gmail.com with UTF8SMTPSA id d2e1a72fcca58-739061598f2sm417513b3a.153.2025.03.20.16.25.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Mar 2025 16:25:59 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on lists.libvirt.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2, RCVD_IN_VALIDITY_RPBL_BLOCKED,RCVD_IN_VALIDITY_SAFE_BLOCKED, SPF_HELO_NONE autolearn=unavailable autolearn_force=no version=3.4.4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1742513160; x=1743117960; darn=lists.libvirt.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=zorEY/+5tyG0maQL6dIwn3yLcg1tOAPsji5j7OUMeM0=; b=H2LFK2cSMqfzt7Ud4tytjgp7TIY2ol+cge3rSm0cFfBf6R3Sf1W8urdonRA7Y8japF 8vX/ub6ZQE50aufIOM+ZmIA29LkFTu5ZMZRNshumdZBEtaZg1amwvj78YsrjKoG5wWb+ eQxnqsEDGUC2Dxf0NYk7ow/jpxDchPwFnbVxrX/hnKSbD0DFKfqBHJFBu1aHG7017OjK vZLXXREIfde8U06+zdZVIe/RKa7QjbYrxadNj+MsV/CGAOF9al3l4yQ5im/3jFf34zSy bD+zR9Rat6B7e3CTNCtZNWJriRVbhhulXRyCkGWy6V76ciRaEGHwyr2pTtWrU/8p9QCp 0QPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742513160; x=1743117960; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=zorEY/+5tyG0maQL6dIwn3yLcg1tOAPsji5j7OUMeM0=; b=NZwVlDRRQo6q9py5DHiDaYWp9U+tf/Ne5ZNeggVRSFF+vQYg4X9wIFoLm60J6995Hy hywcGaftmvexgLFbXwCXbVNYpHQfpVqq14wzjv69ukf5GaVRqLd3DVzMtEqz0ovUzWow Jq9F9/fk8a9svhwj/v5GxTYMr/5moKRr5DqsSi1jlgEATFtqJFwu2GiuLXezhS9on/UV BtPhBlUZfDFYCpfmXXqBZIDbrAdwn8DGEJO1IhoCcqWqxshmk3CX99YVc08sX3+NoVrO JrJxLNAsmB8pTtaCWyDRHpcB40/5w3HmoiBe/5HzcdmBCFwGrhFKikzfW8+STbBou5Jz dQJQ== X-Gm-Message-State: AOJu0YzpKtgZWZkMbD2+BVHxFwUenj9aP2LXLDT2Lf+b4UwCWbb3NrQv 3LxKVQC5MbgncPv0M8idcT/Jc1rVUsslVWN1XsrVARN6M9aCAEirOWfVEPVjoE+Vx56KCtwYjDP O X-Gm-Gg: ASbGncv4ZcrG/G6lNPHMIFbelrUHaOiSgYeyv9kiSOI1NFLDKboiBtu2ys3p1H7X4YA EPOUesfXjzwzVzVm+k+kjK2gLQc55fCEOYcTrGc8g8OMAHA8C6zOdAuw65ZbcLqpM5xTdGz867S oFMA7ZyMKtovX6MCDr384tFehiTyFJ68HvprFkceX5GL7twU8F4xBUc4TIzEmHK9uy6Ru7YPyh6 BsQN98oTWX1WqcyLphWKclm8RI1COBaS481fHjkE13C2cqQE5ObBafAF2da3ic+GJpNJPMCRqhH q+t5F4tLuLDT2UdaSvK/f0AsrI/eSssehzB+2Ymr+lNBtzpLl8MUJHvSQLjK5OtjMg== X-Google-Smtp-Source: AGHT+IEbyLy/oFJV0vnsEXMnXgEjxFGFFadJ3YgukC8E2hUlzTKKcrQW877i5b69VY1a6rIRpuwEJA== X-Received: by 2002:a5d:588e:0:b0:391:4674:b136 with SMTP id ffacd0b85a97d-3997f90e00cmr1092992f8f.29.1742513160291; Thu, 20 Mar 2025 16:26:00 -0700 (PDT) To: devel@lists.libvirt.org Subject: [PATCH] NEWS: Mention support for mapped-ram Date: Thu, 20 Mar 2025 17:25:43 -0600 Message-ID: <20250320232558.27358-1-jfehlig@suse.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Message-ID-Hash: JK23VPGNMBWYAF55IPIOEYU5BRMPXZCV X-Message-ID-Hash: JK23VPGNMBWYAF55IPIOEYU5BRMPXZCV X-MailFrom: jfehlig@suse.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-config-1; header-match-config-2; header-match-config-3; header-match-devel.lists.libvirt.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; suspicious-header X-Mailman-Version: 3.2.2 Precedence: list List-Id: Development discussions about the libvirt library & tools Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: From: Jim Fehlig via Devel Reply-To: Jim Fehlig X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1742513267788019100 Content-Type: text/plain; charset="utf-8" Add a 'New features' entry for mapped-ram itself, and another for the parallel save/restore feature built on top. Signed-off-by: Jim Fehlig Reviewed-by: Pavel Hrdina --- NEWS.rst | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/NEWS.rst b/NEWS.rst index 484333e55a..76f7ea65b1 100644 --- a/NEWS.rst +++ b/NEWS.rst @@ -52,6 +52,21 @@ v11.2.0 (unreleased) /etc/libvirt/qemu.conf configuration file. The libvirt-guests script m= ust be disabled before doing this. =20 + * qemu: Add 'sparse' as a new save image format + + QEMU's ``file`` migration has been supplemented with the new stream fo= rmat + ``mapped-ram``, where RAM pages are mapped directly to offsets in the + migration file. ``mapped-ram`` is now supported by augmenting the exis= ting + save image formats with the ``sparse`` format. + + * qemu: Add support for parallel save/restore + + The ``sparse`` image format can support reading and writing by multiple + channels. ``virDomainSaveParams`` and ``virDomainRestoreParams`` now + support specifying the number of IO channels used for parallel save and + restore. Using multiple channels can reduce the time required to save + and restore domains. + * **Improvements** =20 * **Bug fixes** --=20 2.43.0