Hi Marc,
On 2021/5/8 17:29, Marc Zyngier wrote:
On Sat, 08 May 2021 08:11:52 +0100, Zhu Lingshan lingshan.zhu@intel.com wrote:
This reverts commit a979a6aa009f3c99689432e0cdb5402a4463fb88.
The reverted commit may cause VM freeze on arm64 platform. Because on arm64 platform, stop a consumer will suspend the VM, the VM will freeze without a start consumer
It also unconditionally calls del_consumer on the producer, which isn't exactly expected.
Signed-off-by: Zhu Lingshan lingshan.zhu@intel.com
Reported-by: Shaokun Zhang zhangshaokun@hisilicon.com
Thanks for the tag, it works with this patch, So: Tested-by: Shaokun Zhang zhangshaokun@hisilicon.com
I shall invite you to have a drink for the quick debug. Anyway, thank you again.
Shaokun
Suggested-by: Marc Zyngier maz@kernel.org Acked-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 Cc: stable@vger.kernel.org
Thanks,
M.