Re: [Xen-devel] [PATCH for-4.12] arm/p2m: do not invalidate p2m root if it is shared with IOMMU

[Andrii Anisov <andrii.anisov@xxxxxxxxx>]

On 28.01.19 18:54, Julien Grall wrote:
> On 1/28/19 4:40 PM, Andrii Anisov wrote:
> > On 28.01.19 18:36, Julien Grall wrote:
> > > Hold on, CA57 and CA53 are ARMv8 cores. So are you using 32-bit or 64-bit 
> > > guests?
> > 64-bit guests.
> >
> > > 64-bit guest should not have any Set/Way operations unless you are using a very 
> > > very old Linux. So what is the version of each guest?
> > All of them derived from 4.14.35.
> There should be no Set/Way in Linux 4.14. So I am a bit confused how can even 
> reach this code.
>
> Can you look if there are a Set/Way executed in Linux? And where? You can add 
> some code in arm64/vsysreg.c to track that down.
Yep, I'm still looking into details of that stuff.
Yet this patch makes the system functional.

--
Sincerely,
Andrii Anisov.

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