
- qemu-storage-daemon: Add --daemonize - Fix x-blockdev-amend and block node activation code which incorrectly executed code in the iothread that must run in the main thread. - Add macros for coroutine-safe TLS variables (required for correctness with LTO) - Fix crashes with concurrent I/O and bdrv_refresh_limits() - Split block APIs in global state and I/O - iotests: Don't refuse to run at all without GNU sed, just skip tests that need it -----BEGIN PGP SIGNATURE----- iQJFBAABCAAvFiEE3D3rFZqa+V09dFb+fwmycsiPL9YFAmIiSecRHGt3b2xmQHJl ZGhhdC5jb20ACgkQfwmycsiPL9aSMBAAhS1FLwiUPJ5zsRlYkFiJ76M5AEJPNgYT F3QqBxJa4d/rR8Hibx0p6bFU21QKIat2OIkepcaVGh8oOM8/8DKx1dUlhQt3IOQq yTJ5klBTxQtnBYapEsZC1bcRgRhLXbhjsXtJluzJrfvIYO0BPdVmpetTY4vJ7v79 U2lYImHkUYZ3xH84qXj3ymfURyBc8LpjmMwWrCaEkjxcwfgb1fOeZuGEy7B387aL zpYE2oKjSSI20TTbJ+VsPgf2CglmTRl2kILnWP0tFjh5clpozkXAJ/0WW/TwgQgJ 20Blvxk4inSfkMxHPdW0ttoBfW+WqftFFh1t0xqeUn6AfQFJkpQ93RmWk4rpKc8k rVcXIO54sYNEcJfkofs0m7N6rDk5HBq1WA7wt5veWBeNeoKWALcqjFSlr52FofJr bcCFnf/DRrGJ9XSi0XDqAqJeuqcGARVViqJZL3jUm+7VuLYcdA7d1wVUzuPUdv+0 KdANzzoLaGR8xNbB+NqRBuzOcxoXYRZWbKH5i2XDk+FCwl5qcg/XalsAcM0bwXPL moRkH7csqrnD4cBZDSToZoi/iNdlynSIZmI8pL5Tr9btPODBF8lQEiPtJziSHReo v7S1nR0Q6NNOpuZUMzLJJoPcm+uy7n672SAoWhpbvh0NTdW9msxtqY2KGCKjJH8l f5zp/zljV0Y= =Jdal -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/kwolf-gitlab/tags/for-upstream' into staging Block layer patches - qemu-storage-daemon: Add --daemonize - Fix x-blockdev-amend and block node activation code which incorrectly executed code in the iothread that must run in the main thread. - Add macros for coroutine-safe TLS variables (required for correctness with LTO) - Fix crashes with concurrent I/O and bdrv_refresh_limits() - Split block APIs in global state and I/O - iotests: Don't refuse to run at all without GNU sed, just skip tests that need it # gpg: Signature made Fri 04 Mar 2022 17:18:31 GMT # gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6 # gpg: issuer "kwolf@redhat.com" # gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full] # Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6 * remotes/kwolf-gitlab/tags/for-upstream: (50 commits) block/amend: Keep strong reference to BDS block/amend: Always call .bdrv_amend_clean() tests/qemu-iotests: Rework the checks and spots using GNU sed iotests/graph-changes-while-io: New test iotests: Allow using QMP with the QSD block: Make bdrv_refresh_limits() non-recursive job.h: assertions in the callers of JobDriver function pointers job.h: split function pointers in JobDriver block-backend-common.h: split function pointers in BlockDevOps block_int-common.h: assertions in the callers of BdrvChildClass function pointers block_int-common.h: split function pointers in BdrvChildClass block_int-common.h: assertions in the callers of BlockDriver function pointers block_int-common.h: split function pointers in BlockDriver block/coroutines: I/O and "I/O or GS" API block/copy-before-write.h: global state API + assertions include/block/snapshot: global state API + assertions assertions for blockdev.h global state API include/sysemu/blockdev.h: global state API assertions for blockjob.h global state API include/block/blockjob.h: global state API ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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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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