[PATCH] Revert "irqbypass: do not start cons/prod when failed connect"

[Marc Zyngier]

On Sat, 08 May 2021 08:11:52 +0100,
Zhu Lingshan <lingshan.zhu at 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 at intel.com>

Reported-by: Shaokun Zhang <zhangshaokun at hisilicon.com>
Suggested-by: Marc Zyngier <maz at kernel.org>
Acked-by: Marc Zyngier <maz at 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 at vger.kernel.org

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.