Re: [PATCH v2] acpi/ghes: Prevent sleeping with spinlock held

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Jonathan Cameron wrote:
> On Wed, 14 Feb 2024 10:23:10 -0500
> Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> 
> > On Wed, 14 Feb 2024 12:11:53 +0000
> > Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> wrote:
> > 
> > > So I'm thinking this is a won't fix - wait for the printk rework to land and
> > > assume this will be resolved as well?  
> > 
> > That pretty much sums up what I was about to say ;-)
> > 
> > tp_printk is more of a hack and not to be used sparingly. With the right
> > trace events it can hang the machine.
> > 
> > So, you can use your internal patch locally, but I would recommend waiting
> > for the new printk changes to land. I'm really hoping that will be soon!
> > 
> > -- Steve
> 
> Thanks Steve,
> 
> Ira's fix is needed for other valid locking reasons - this was 'just another'
> lock debugging report that came up whilst testing it.
> 
> For this patch (not a potential additional one that we aren't going to do ;)
> 
> Tested-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>

Thanks Jonathan!  I really appreciate the testing,
Ira




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