Re: [PATCH v5 2/2] pipe: use __pipe_{lock,unlock} instead of spinlock

[Hongchen Zhang <zhanghongchen@xxxxxxxxxxx>]

Hi David,

On 2023/8/14 pm 4:47, David Howells wrote:
> Hongchen Zhang <zhanghongchen@xxxxxxxxxxx> wrote:
>
> > -	spin_lock_irq(&pipe->rd_wait.lock);
> > +	__pipe_lock(pipe);
I changed the code and the post_one_notification is not called inside 
spin lock ,please check this patch again.
> This mustn't sleep.  post_one_notification() needs to be callable with a
> spinlock held.
>
> David


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Best Regards
Hongchen Zhang