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authorZhu Lingshan <lingshan.zhu@intel.com>2021-05-08 09:11:52 +0200
committerMarc Zyngier <maz@kernel.org>2021-05-15 11:26:55 +0200
commite44b49f623c77bee7451f1a82ccfb969c1028ae2 (patch)
tree6b5aef3e09c0e79ce5a53f488a02ae1ee7f155f9 /crypto/crc32_generic.c
parentLinux 5.13-rc1 (diff)
downloadlinux-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
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