
- One patch to make qcow2's discard-no-unref option do better what it is supposed to do (i.e. prevent fragmentation) - Two fixes for zoned requests -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEEy2LXoO44KeRfAE00ofpA0JgBnN8FAmVJHbgSHGhyZWl0ekBy ZWRoYXQuY29tAAoJEKH6QNCYAZzfLn4QAKxuUYZaXirv6K4U2tW4aAJtc5uESdwv WYhG7YU7MleBGCY0fRoih5thrPrzRLC8o1QhbRcA36+/PAZf4BYrJEfqLUdzuN5x 6Vb1n3NRUzPD1+VfL/B9hVZhFbtTOUZuxPGEqCoHAmqBaeKuYRT1bLZbtRtPVLSk 5eTMiyrpRMlBWc7O71eGKLqU4k0vAznwHBGf2Z93qWAsKcRZCwbAWYa7Q6rJ9jJ8 1jNsQuAk0p74/uGEpFhoEVrFEcV6pMbI4+jB9i0t9YYxT0tLIdIX1VUx+AHJfItk IF2stB6SFOaAy2W3Fn+0oJvz40aMLzg9VjEeTpGmdlKC67ZTYa6Obwzy5WNLPIap k7VUheUEe8qoKUtxQNxGLR/HKEJSFXyhU0lgAGxE1gl2xc1QFFFsrimpwFd3d37j 3PwfhjARHonf4ZXgsvtIjb7nG9seMZYO7Vht0OztJyW8c2XN5OFVPir9xLbd9VUg wZNGB8jAsHgj77+S/mRIwpP+laKL8wB7zYZ1mgFI98QJIYqL8tGdV/IiUhLljHzc XAmwekOhBMMbgHhliBy9zDuTy59+zZ0FoxZPn/JvBjqBAkEnz9EbhHxi2imQg+1d XSoLbx1X1yEbepWz8mCGiveLIPkt+3qMJuuQF76nURaA+nm3tCl/nKca6QLnVKzU 2QtPWS0qRmwd =5w7S -----END PGP SIGNATURE----- Merge tag 'pull-block-2023-11-06' of https://gitlab.com/hreitz/qemu into staging Block patches: - One patch to make qcow2's discard-no-unref option do better what it is supposed to do (i.e. prevent fragmentation) - Two fixes for zoned requests # -----BEGIN PGP SIGNATURE----- # # iQJGBAABCAAwFiEEy2LXoO44KeRfAE00ofpA0JgBnN8FAmVJHbgSHGhyZWl0ekBy # ZWRoYXQuY29tAAoJEKH6QNCYAZzfLn4QAKxuUYZaXirv6K4U2tW4aAJtc5uESdwv # WYhG7YU7MleBGCY0fRoih5thrPrzRLC8o1QhbRcA36+/PAZf4BYrJEfqLUdzuN5x # 6Vb1n3NRUzPD1+VfL/B9hVZhFbtTOUZuxPGEqCoHAmqBaeKuYRT1bLZbtRtPVLSk # 5eTMiyrpRMlBWc7O71eGKLqU4k0vAznwHBGf2Z93qWAsKcRZCwbAWYa7Q6rJ9jJ8 # 1jNsQuAk0p74/uGEpFhoEVrFEcV6pMbI4+jB9i0t9YYxT0tLIdIX1VUx+AHJfItk # IF2stB6SFOaAy2W3Fn+0oJvz40aMLzg9VjEeTpGmdlKC67ZTYa6Obwzy5WNLPIap # k7VUheUEe8qoKUtxQNxGLR/HKEJSFXyhU0lgAGxE1gl2xc1QFFFsrimpwFd3d37j # 3PwfhjARHonf4ZXgsvtIjb7nG9seMZYO7Vht0OztJyW8c2XN5OFVPir9xLbd9VUg # wZNGB8jAsHgj77+S/mRIwpP+laKL8wB7zYZ1mgFI98QJIYqL8tGdV/IiUhLljHzc # XAmwekOhBMMbgHhliBy9zDuTy59+zZ0FoxZPn/JvBjqBAkEnz9EbhHxi2imQg+1d # XSoLbx1X1yEbepWz8mCGiveLIPkt+3qMJuuQF76nURaA+nm3tCl/nKca6QLnVKzU # 2QtPWS0qRmwd # =5w7S # -----END PGP SIGNATURE----- # gpg: Signature made Tue 07 Nov 2023 01:09:12 HKT # gpg: using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF # gpg: issuer "hreitz@redhat.com" # gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [unknown] # gpg: WARNING: The key's User ID is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: CB62 D7A0 EE38 29E4 5F00 4D34 A1FA 40D0 9801 9CDF * tag 'pull-block-2023-11-06' of https://gitlab.com/hreitz/qemu: file-posix: fix over-writing of returning zone_append offset block/file-posix: fix update_zones_wp() caller qcow2: keep reference on zeroize with discard-no-unref enabled Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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=========== QEMU README =========== QEMU is a generic and open source machine & userspace emulator and virtualizer. QEMU is capable of emulating a complete machine in software without any need for hardware virtualization support. By using dynamic translation, it achieves very good performance. QEMU can also integrate with the Xen and KVM hypervisors to provide emulated hardware while allowing the hypervisor to manage the CPU. With hypervisor support, QEMU can achieve near native performance for CPUs. When QEMU emulates CPUs directly it is capable of running operating systems made for one machine (e.g. an ARMv7 board) on a different machine (e.g. an x86_64 PC board). QEMU is also capable of providing userspace API virtualization for Linux and BSD kernel interfaces. This allows binaries compiled against one architecture ABI (e.g. the Linux PPC64 ABI) to be run on a host using a different architecture ABI (e.g. the Linux x86_64 ABI). This does not involve any hardware emulation, simply CPU and syscall emulation. QEMU aims to fit into a variety of use cases. It can be invoked directly by users wishing to have full control over its behaviour and settings. It also aims to facilitate integration into higher level management layers, by providing a stable command line interface and monitor API. It is commonly invoked indirectly via the libvirt library when using open source applications such as oVirt, OpenStack and virt-manager. QEMU as a whole is released under the GNU General Public License, version 2. For full licensing details, consult the LICENSE file. Documentation ============= Documentation can be found hosted online at `<https://www.qemu.org/documentation/>`_. The documentation for the current development version that is available at `<https://www.qemu.org/docs/master/>`_ is generated from the ``docs/`` folder in the source tree, and is built by `Sphinx <https://www.sphinx-doc.org/en/master/>`_. Building ======== QEMU is multi-platform software intended to be buildable on all modern Linux platforms, OS-X, Win32 (via the Mingw64 toolchain) and a variety of other UNIX targets. The simple steps to build QEMU are: .. code-block:: shell mkdir build cd build ../configure make Additional information can also be found online via the QEMU website: * `<https://wiki.qemu.org/Hosts/Linux>`_ * `<https://wiki.qemu.org/Hosts/Mac>`_ * `<https://wiki.qemu.org/Hosts/W32>`_ Submitting patches ================== The QEMU source code is maintained under the GIT version control system. .. code-block:: shell git clone https://gitlab.com/qemu-project/qemu.git When submitting patches, one common approach is to use 'git format-patch' and/or 'git send-email' to format & send the mail to the qemu-devel@nongnu.org mailing list. All patches submitted must contain a 'Signed-off-by' line from the author. Patches should follow the guidelines set out in the `style section <https://www.qemu.org/docs/master/devel/style.html>`_ of the Developers Guide. Additional information on submitting patches can be found online via the QEMU website * `<https://wiki.qemu.org/Contribute/SubmitAPatch>`_ * `<https://wiki.qemu.org/Contribute/TrivialPatches>`_ The QEMU website is also maintained under source control. .. code-block:: shell git clone https://gitlab.com/qemu-project/qemu-web.git * `<https://www.qemu.org/2017/02/04/the-new-qemu-website-is-up/>`_ A 'git-publish' utility was created to make above process less cumbersome, and is highly recommended for making regular contributions, or even just for sending consecutive patch series revisions. It also requires a working 'git send-email' setup, and by default doesn't automate everything, so you may want to go through the above steps manually for once. For installation instructions, please go to * `<https://github.com/stefanha/git-publish>`_ The workflow with 'git-publish' is: .. code-block:: shell $ git checkout master -b my-feature $ # work on new commits, add your 'Signed-off-by' lines to each $ git publish Your patch series will be sent and tagged as my-feature-v1 if you need to refer back to it in the future. Sending v2: .. code-block:: shell $ git checkout my-feature # same topic branch $ # making changes to the commits (using 'git rebase', for example) $ git publish Your patch series will be sent with 'v2' tag in the subject and the git tip will be tagged as my-feature-v2. Bug reporting ============= The QEMU project uses GitLab issues to track bugs. Bugs found when running code built from QEMU git or upstream released sources should be reported via: * `<https://gitlab.com/qemu-project/qemu/-/issues>`_ If using QEMU via an operating system vendor pre-built binary package, it is preferable to report bugs to the vendor's own bug tracker first. If the bug is also known to affect latest upstream code, it can also be reported via GitLab. For additional information on bug reporting consult: * `<https://wiki.qemu.org/Contribute/ReportABug>`_ ChangeLog ========= For version history and release notes, please visit `<https://wiki.qemu.org/ChangeLog/>`_ or look at the git history for more detailed information. Contact ======= The QEMU community can be contacted in a number of ways, with the two main methods being email and IRC * `<mailto:qemu-devel@nongnu.org>`_ * `<https://lists.nongnu.org/mailman/listinfo/qemu-devel>`_ * #qemu on irc.oftc.net Information on additional methods of contacting the community can be found online via the QEMU website: * `<https://wiki.qemu.org/Contribute/StartHere>`_
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