Re: [PATCH] acpi: pcihp: make pending delete expire in 5sec

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Apr 05, 2023 at 11:24:16AM +0200, Igor Mammedov wrote:
> > > PS:
> > > See commit message, Windows is not affected as it doesn't
> > > clear GPE status bits during ACPI initialization
> > > (at least the one version I've tested with, and I won't bet
> > > on this with other versions or staying this way)  
> > 
> > So I am saying linux should match windows. Clearing GPE
> > is a bad idea as you then miss events.
> 
> I'd say it depends on if guest OS is able to handle hot[un]plug
> at boot time when it enables GPE handlers (or any other time).
> (My point of view here, it's a guest OS policy and management
> layer should know what installed guest is capable of and what
> quirks to use with it)
> 
> I'll try to send a kernel patch to remove GPEx.status clearing,
> though it might be more complex than it seems,
> hence I'm quite sceptical about it.

In the world of ACPI, windows is basically the gold standard,
whatever it does linux has to do ;)

-- 
MST