diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2019-10-08 16:08:35 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2019-10-08 16:08:35 +0100 |
| commit | 98b2e3c9ab3abfe476a2b02f8f51813edb90e72d (patch) | |
| tree | 6f5e6f655ab683e486745b2db868f2e11979864b /hw | |
| parent | 14d40ab1d55e54a87350d44769152dd7a59a7b42 (diff) | |
| parent | 4d804b5305ffb4d5fa414c38d4f1bdfb987c8d0b (diff) | |
| download | qemu-98b2e3c9ab3abfe476a2b02f8f51813edb90e72d.zip | |
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Pull request
This pull request also contains the two commits from the previous pull request
that was dropped due to a mingw compilation error. The compilation should now
be fixed.
# gpg: Signature made Tue 08 Oct 2019 15:54:26 BST
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/block-pull-request:
iotests/262: Switch source/dest VM launch order
block: Skip COR for inactive nodes
virtio-blk: schedule virtio_notify_config to run on main context
util/ioc.c: try to reassure Coverity about qemu_iovec_init_extended
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/block/virtio-blk.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 18851601cb..ed2ddebd2b 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -16,6 +16,7 @@ #include "qemu/iov.h" #include "qemu/module.h" #include "qemu/error-report.h" +#include "qemu/main-loop.h" #include "trace.h" #include "hw/block/block.h" #include "hw/qdev-properties.h" @@ -1086,11 +1087,24 @@ static int virtio_blk_load_device(VirtIODevice *vdev, QEMUFile *f, return 0; } +static void virtio_resize_cb(void *opaque) +{ + VirtIODevice *vdev = opaque; + + assert(qemu_get_current_aio_context() == qemu_get_aio_context()); + virtio_notify_config(vdev); +} + static void virtio_blk_resize(void *opaque) { VirtIODevice *vdev = VIRTIO_DEVICE(opaque); - virtio_notify_config(vdev); + /* + * virtio_notify_config() needs to acquire the global mutex, + * so it can't be called from an iothread. Instead, schedule + * it to be run in the main context BH. + */ + aio_bh_schedule_oneshot(qemu_get_aio_context(), virtio_resize_cb, vdev); } static const BlockDevOps virtio_block_ops = { |