Branch: refs/heads/master
Home: https://github.com/qemu/qemu
Commit: b67e353863deec6b7fbbc728773180a8533e9e48
https://github.com/qemu/qemu/commit/b67e353863deec6b7fbbc728773180a8533e9e48
Author: Denis V. Lunev via <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M block/file-posix.c
Log Message:
-----------
block: drop force_dup parameter of raw_reconfigure_getfd()
Since commit 72373e40fbc, this parameter is always passed as 'false'
from the caller.
Signed-off-by: Denis V. Lunev <[email protected]>
CC: Andrey Zhadchenko <[email protected]>
CC: Kevin Wolf <[email protected]>
CC: Hanna Reitz <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: 719c6819ed9a9838520fa732f9861918dc693bda
https://github.com/qemu/qemu/commit/719c6819ed9a9838520fa732f9861918dc693bda
Author: Stefan Hajnoczi <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M qapi/qmp-dispatch.c
Log Message:
-----------
Revert "monitor: use aio_co_reschedule_self()"
Commit 1f25c172f837 ("monitor: use aio_co_reschedule_self()") was a code
cleanup that uses aio_co_reschedule_self() instead of open coding
coroutine rescheduling.
Bug RHEL-34618 was reported and Kevin Wolf <[email protected]> identified
the root cause. I missed that aio_co_reschedule_self() ->
qemu_get_current_aio_context() only knows about
qemu_aio_context/IOThread AioContexts and not about iohandler_ctx. It
does not function correctly when going back from the iohandler_ctx to
qemu_aio_context.
Go back to open coding the AioContext transitions to avoid this bug.
This reverts commit 1f25c172f83704e350c0829438d832384084a74d.
Cc: [email protected]
Buglink: https://issues.redhat.com/browse/RHEL-34618
Signed-off-by: Stefan Hajnoczi <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: e669e800fc9ef8806af5c5578249ab758a4f8a5a
https://github.com/qemu/qemu/commit/e669e800fc9ef8806af5c5578249ab758a4f8a5a
Author: Stefan Hajnoczi <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M include/block/aio.h
Log Message:
-----------
aio: warn about iohandler_ctx special casing
The main loop has two AioContexts: qemu_aio_context and iohandler_ctx.
The main loop runs them both, but nested aio_poll() calls on
qemu_aio_context exclude iohandler_ctx.
Which one should qemu_get_current_aio_context() return when called from
the main loop? Document that it's always qemu_aio_context.
This has subtle effects on functions that use
qemu_get_current_aio_context(). For example, aio_co_reschedule_self()
does not work when moving from iohandler_ctx to qemu_aio_context because
qemu_get_current_aio_context() does not differentiate these two
AioContexts.
Document this in order to reduce the chance of future bugs.
Signed-off-by: Stefan Hajnoczi <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: 365911b182017f05122b88a574477ff945ae91ab
https://github.com/qemu/qemu/commit/365911b182017f05122b88a574477ff945ae91ab
Author: Stefan Hajnoczi <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M qemu-io-cmds.c
Log Message:
-----------
qemu-io: add cvtnum() error handling for zone commands
cvtnum() parses positive int64_t values and returns a negative errno on
failure. Print errors and return early when cvtnum() fails.
While we're at it, also reject nr_zones values greater or equal to 2^32
since they cannot be represented.
Reported-by: Peter Maydell <[email protected]>
Cc: Sam Li <[email protected]>
Signed-off-by: Stefan Hajnoczi <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Sam Li <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: 10b1e09ed3c40baf9fe074e0c70a7a3b783839ff
https://github.com/qemu/qemu/commit/10b1e09ed3c40baf9fe074e0c70a7a3b783839ff
Author: Fiona Ebner <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M block/copy-before-write.c
Log Message:
-----------
block/copy-before-write: use uint64_t for timeout in nanoseconds
rather than the uint32_t for which the maximum is slightly more than 4
seconds and larger values would overflow. The QAPI interface allows
specifying the number of seconds, so only values 0 to 4 are safe right
now, other values lead to a much lower timeout than a user expects.
The block_copy() call where this is used already takes a uint64_t for
the timeout, so no change required there.
Fixes: 6db7fd1ca9 ("block/copy-before-write: implement cbw-timeout option")
Reported-by: Friedrich Weber <[email protected]>
Signed-off-by: Fiona Ebner <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Vladimir Sementsov-Ogievskiy <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: 24687abf237e3c15816d689a8e4b08d7c3190dcb
https://github.com/qemu/qemu/commit/24687abf237e3c15816d689a8e4b08d7c3190dcb
Author: Prasad Pandit <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M block/file-posix.c
M block/linux-aio.c
M include/block/raw-aio.h
Log Message:
-----------
linux-aio: add IO_CMD_FDSYNC command support
Libaio defines IO_CMD_FDSYNC command to sync all outstanding
asynchronous I/O operations, by flushing out file data to the
disk storage. Enable linux-aio to submit such aio request.
When using aio=native without fdsync() support, QEMU creates
pthreads, and destroying these pthreads results in TLB flushes.
In a real-time guest environment, TLB flushes cause a latency
spike. This patch helps to avoid such spikes.
Reviewed-by: Stefan Hajnoczi <[email protected]>
Signed-off-by: Prasad Pandit <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: af206c284e4c1b17cdfb0f17e898b288c0fc1751
https://github.com/qemu/qemu/commit/af206c284e4c1b17cdfb0f17e898b288c0fc1751
Author: Stefan Hajnoczi <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M crypto/block-luks.c
M crypto/block-qcow.c
M crypto/block.c
M crypto/blockpriv.h
Log Message:
-----------
block/crypto: create ciphers on demand
Ciphers are pre-allocated by qcrypto_block_init_cipher() depending on
the given number of threads. The -device
virtio-blk-pci,iothread-vq-mapping= feature allows users to assign
multiple IOThreads to a virtio-blk device, but the association between
the virtio-blk device and the block driver happens after the block
driver is already open.
When the number of threads given to qcrypto_block_init_cipher() is
smaller than the actual number of threads at runtime, the
block->n_free_ciphers > 0 assertion in qcrypto_block_pop_cipher() can
fail.
Get rid of qcrypto_block_init_cipher() n_thread's argument and allocate
ciphers on demand.
Reported-by: Qing Wang <[email protected]>
Buglink: https://issues.redhat.com/browse/RHEL-36159
Signed-off-by: Stefan Hajnoczi <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Acked-by: Daniel P. Berrangé <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: 3ab0f063e58ed9224237d69c4211ca83335164c4
https://github.com/qemu/qemu/commit/3ab0f063e58ed9224237d69c4211ca83335164c4
Author: Stefan Hajnoczi <[email protected]>
Date: 2024-06-10 (Mon, 10 Jun 2024)
Changed paths:
M block/crypto.c
M block/qcow.c
M block/qcow2.c
M crypto/block-luks.c
M crypto/block-qcow.c
M crypto/block.c
M crypto/blockpriv.h
M include/crypto/block.h
M tests/unit/test-crypto-block.c
Log Message:
-----------
crypto/block: drop qcrypto_block_open() n_threads argument
The n_threads argument is no longer used since the previous commit.
Remove it.
Signed-off-by: Stefan Hajnoczi <[email protected]>
Message-ID: <[email protected]>
Reviewed-by: Kevin Wolf <[email protected]>
Acked-by: Daniel P. Berrangé <[email protected]>
Signed-off-by: Kevin Wolf <[email protected]>
Commit: 36c1febe3f34ae38db375865b7841165d76cdae4
https://github.com/qemu/qemu/commit/36c1febe3f34ae38db375865b7841165d76cdae4
Author: Richard Henderson <[email protected]>
Date: 2024-06-12 (Wed, 12 Jun 2024)
Changed paths:
M block/copy-before-write.c
M block/crypto.c
M block/file-posix.c
M block/linux-aio.c
M block/qcow.c
M block/qcow2.c
M crypto/block-luks.c
M crypto/block-qcow.c
M crypto/block.c
M crypto/blockpriv.h
M include/block/aio.h
M include/block/raw-aio.h
M include/crypto/block.h
M qapi/qmp-dispatch.c
M qemu-io-cmds.c
M tests/unit/test-crypto-block.c
Log Message:
-----------
Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- crypto: Fix crash when used with multiqueue devices
- linux-aio: add IO_CMD_FDSYNC command support
- copy-before-write: Avoid integer overflows for timeout > 4s
- Fix crash with QMP block_resize and iothreads
- qemu-io: add cvtnum() error handling for zone commands
- Code cleanup
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# gpg: Signature made Tue 11 Jun 2024 10:35:22 AM PDT
# gpg: using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
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# gpg: Good signature from "Kevin Wolf <[email protected]>" [full]
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
crypto/block: drop qcrypto_block_open() n_threads argument
block/crypto: create ciphers on demand
linux-aio: add IO_CMD_FDSYNC command support
block/copy-before-write: use uint64_t for timeout in nanoseconds
qemu-io: add cvtnum() error handling for zone commands
aio: warn about iohandler_ctx special casing
Revert "monitor: use aio_co_reschedule_self()"
block: drop force_dup parameter of raw_reconfigure_getfd()
Signed-off-by: Richard Henderson <[email protected]>
Compare: https://github.com/qemu/qemu/compare/f3e8cc47de2b...36c1febe3f34
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