linux-kernel - Re: [PATCH v2 1/1] KVM: arm64: Allow cacheable stage 2 mapping using VMA flags

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Message-ID: <20241211214939.GD17486@willie-the-truck>
Date: Wed, 11 Dec 2024 21:49:40 +0000
From: Will Deacon <will@...nel.org>
To: Ankit Agrawal <ankita@...dia.com>
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Subject: Re: [PATCH v2 1/1] KVM: arm64: Allow cacheable stage 2 mapping using
 VMA flags

On Wed, Dec 11, 2024 at 02:58:38AM +0000, Ankit Agrawal wrote:
> Thanks Will for taking a look.
> 
> >> The device memory such as on the Grace Hopper systems is interchangeable
> >> with DDR memory and retains its properties. Allow executable faults
> >> on the memory determined as Normal cacheable.
> >
> > Sorry, but a change this subtle to the arch code is going to need a _much_
> > better explanation than the rambling text above.
> 
> Understood, I'll work on the text and try to make it coherent.

Heh, I thought it was the patch trying to make things coherent :p

Will