On Sat, Mar 02, 2024 at 08:45:39PM -0800, Andrew Paniakin wrote:
> From: Andrew Panyakin
>
> From: Maximilian Heyne
>
> Commit fa765c4b4aed2d64266b694520ecb025c862c5a9 upstream
>
> shutdown_pirq and startup_pirq are not taking the
> irq_mapping_update_lock because they can't due to lock
From: Andrew Panyakin
From: Maximilian Heyne
Commit fa765c4b4aed2d64266b694520ecb025c862c5a9 upstream
shutdown_pirq and startup_pirq are not taking the
irq_mapping_update_lock because they can't due to lock inversion. Both
are called with the irq_desc->lock being taking. The lock order,
