linux-kernel - Re: [PATCH v1 2/3] mm: pass VMA instead of MM to follow

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Message-ID: <ZhbVjVRoa70IwgfA@google.com>
Date: Wed, 10 Apr 2024 11:08:13 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: David Hildenbrand <david@...hat.com>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org, 
	linux-s390@...r.kernel.org, kvm@...r.kernel.org, 
	Andrew Morton <akpm@...ux-foundation.org>, Yonghua Huang <yonghua.huang@...el.com>, 
	Fei Li <fei1.li@...el.com>, Christoph Hellwig <hch@....de>, 
	Gerald Schaefer <gerald.schaefer@...ux.ibm.com>, Heiko Carstens <hca@...ux.ibm.com>, 
	Ingo Molnar <mingo@...hat.com>, Alex Williamson <alex.williamson@...hat.com>, 
	Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: [PATCH v1 2/3] mm: pass VMA instead of MM to follow_pte()

On Wed, Apr 10, 2024, David Hildenbrand wrote:
> ... and centralize the VM_IO/VM_PFNMAP sanity check in there. We'll
> now also perform these sanity checks for direct follow_pte()
> invocations.

Nice!

> For generic_access_phys(), we might now check multiple times: nothing to
> worry about, really.
> 
> Signed-off-by: David Hildenbrand <david@...hat.com>
> ---

For KVM, a very hearty

Acked-by: Sean Christopherson <seanjc@...gle.com>