Re: [Xen-devel] [PATCH v2] xen/swiotlb: don't initialize swiotlb twice on arm64

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

> > 
> > #2 patch says:
> > 
> >     "> To be symmetric with setting the flag only after having made the 
> > region
> >     > contiguous, and to avoid (perhaps just theoretical) races, wouldn't 
> > it be
> >     > better to clear the flag before calling 
> > xen_destroy_contiguous_region()?
> >     > Even better would be a TestAndClear...() operation.
> > 
> >     I like that idea.
> > "
> > ?
> 
> I was hoping for a clarification regarding the Xen specific page flag
> names before posting V3.
> 
> As Christoph didn't react when I posted possible solutions I think I'll
> just modify patch 3 according to Jan's comment and post V3.

OK, will await that patchset. Thank you!

BTW, your patch #1 should be upstream now.
> 
> 
> Juergen

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