linux-kernel - Re: [PATCH] vfio/pci: Fallback huge faults for unaligned pfn

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Message-ID: <Z3bo_TNnwweOH5cp@x1n>
Date: Thu, 2 Jan 2025 14:29:01 -0500
From: Peter Xu <peterx@...hat.com>
To: Alex Williamson <alex.williamson@...hat.com>
Cc: kvm@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, precification@...teo.de,
	athul.krishna.kr@...tonmail.com, regressions@...ts.linux.dev
Subject: Re: [PATCH] vfio/pci: Fallback huge faults for unaligned pfn

On Thu, Jan 02, 2025 at 11:32:54AM -0700, Alex Williamson wrote:
> The PFN must also be aligned to the fault order to insert a huge
> pfnmap.  Test the alignment and fallback when unaligned.
> 
> Fixes: f9e54c3a2f5b ("vfio/pci: implement huge_fault support")
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=219619
> Reported-by: Athul Krishna <athul.krishna.kr@...tonmail.com>
> Reported-by: Precific <precification@...teo.de>
> Signed-off-by: Alex Williamson <alex.williamson@...hat.com>

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

-- 
Peter Xu