diff options
| author | Zhu Lingshan <lingshan.zhu@intel.com> | 2021-05-08 09:11:52 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-05-15 11:26:55 +0200 |
| commit | e44b49f623c77bee7451f1a82ccfb969c1028ae2 (patch) | |
| tree | 6b5aef3e09c0e79ce5a53f488a02ae1ee7f155f9 /arch/um/drivers/vhost_user.h | |
| parent | Linux 5.13-rc1 (diff) | |
| download | linux-e44b49f623c77bee7451f1a82ccfb969c1028ae2.tar.xz linux-e44b49f623c77bee7451f1a82ccfb969c1028ae2.zip | |
Revert "irqbypass: do not start cons/prod when failed connect"
This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.
The reverted commit may cause VM freeze on arm64 with GICv4,
where stopping a consumer is implemented by suspending the VM.
Should the connect fail, the VM will not be resumed, which
is a bit of a problem.
It also erroneously calls the producer destructor unconditionally,
which is unexpected.
Reported-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Suggested-by: Marc Zyngier <maz@kernel.org>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
[maz: tags and cc-stable, commit message update]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Fixes: a979a6aa009f ("irqbypass: do not start cons/prod when failed connect")
Link: https://lore.kernel.org/r/3a2c66d6-6ca0-8478-d24b-61e8e3241b20@hisilicon.com
Link: https://lore.kernel.org/r/20210508071152.722425-1-lingshan.zhu@intel.com
Cc: stable@vger.kernel.org
Diffstat (limited to 'arch/um/drivers/vhost_user.h')
0 files changed, 0 insertions, 0 deletions