linux-kernel - Re: [PATCH v2 1/3] vfio/type1: Support faulting PFNMAP vmas

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Message-ID: <20200508183901.GC228260@xz-x1>
Date:   Fri, 8 May 2020 14:39:01 -0400
From:   Peter Xu <peterx@...hat.com>
To:     Alex Williamson <alex.williamson@...hat.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        cohuck@...hat.com, jgg@...pe.ca
Subject: Re: [PATCH v2 1/3] vfio/type1: Support faulting PFNMAP vmas

On Tue, May 05, 2020 at 03:54:44PM -0600, Alex Williamson wrote:
> With conversion to follow_pfn(), DMA mapping a PFNMAP range depends on
> the range being faulted into the vma.  Add support to manually provide
> that, in the same way as done on KVM with hva_to_pfn_remapped().
> 
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>

And since after the discussion...

Reviewed-by: Peter Xu <peterx@...hat.com>

Thanks,

-- 
Peter Xu