linux-kernel - Re: [PATCH 1/4] mm/gup: Add FOLL

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Message-ID: <Yr4VQqTIu1bMEAji@xz-m1.local>
Date:   Thu, 30 Jun 2022 17:27:30 -0400
From:   Peter Xu <peterx@...hat.com>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Hildenbrand <david@...hat.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>,
        Linux MM Mailing List <linux-mm@...ck.org>,
        Sean Christopherson <seanjc@...gle.com>
Subject: Re: [PATCH 1/4] mm/gup: Add FOLL_INTERRUPTIBLE

On Thu, Jun 30, 2022 at 12:01:53PM -0700, John Hubbard wrote:
> On 6/30/22 06:49, Peter Xu wrote:
> > Looks good to me, I'd tune a bit to make it less ambiguous on a few places:
> > 
> > 		/*
> > 		 * FAULT_FLAG_INTERRUPTIBLE is opt-in. GUP callers must set
> > 		 * FOLL_INTERRUPTIBLE to enable FAULT_FLAG_INTERRUPTIBLE.
> > 		 * That's because some callers may not be prepared to
> > 		 * handle early exits caused by non-fatal signals.
> > 		 */
> > 
> > Would that be okay to you?
> > 
> 
> Yes, looks good. With that change, please feel free to add:
> 
> Reviewed-by: John Hubbard <jhubbard@...dia.com>

Will do, thanks!

-- 
Peter Xu