spinlock recursion in aio_complete()

[Helge Deller]

On 5/23/23 22:06, Bart Van Assche wrote:
> On 5/23/23 13:01, Helge Deller wrote:
>> Subject: [PATCH] Fix flush_dcache_page() for usage in irq context
>>
>> flush_dcache_page() can be called with IRQs disabled, e.g. from
>> aio_complete().
>>
>> Fix flush_dcache_page() on the arm, parisc and nios2 architectures
>> to not unintentionally re-enable IRQs by using xa_lock_irqsave() instead
>> of xa_lock_irq() for the flush_dcache_mmap_*lock() functions.
>
> Please consider adding a Fixes: tag such that this patch is picked up
> automatically by the stable tree maintainers.
Sure. I'll probably split it up as per-arch patch as well. Just wanted
to get some feedback first.

Helge