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

[Julien Grall <julien.grall@xxxxxxx>]

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.
Cheers,

--
Julien Grall

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