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Date:   Thu, 25 Feb 2021 15:52:49 -0500
From:   Peter Xu <peterx@redhat.com>
To:     Axel Rasmussen <axelrasmussen@google.com>
Cc:     Alexander Viro <viro@zeniv.linux.org.uk>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Anshuman Khandual <anshuman.khandual@arm.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Chinwen Chang <chinwen.chang@mediatek.com>,
        Huang Ying <ying.huang@intel.com>,
        Ingo Molnar <mingo@redhat.com>, Jann Horn <jannh@google.com>,
        Jerome Glisse <jglisse@redhat.com>,
        Lokesh Gidra <lokeshgidra@google.com>,
        "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Michal =?utf-8?Q?Koutn=C3=BD?= <mkoutny@suse.com>,
        Michel Lespinasse <walken@google.com>,
        Mike Kravetz <mike.kravetz@oracle.com>,
        Mike Rapoport <rppt@linux.vnet.ibm.com>,
        Nicholas Piggin <npiggin@gmail.com>, Shaohua Li <shli@fb.com>,
        Shawn Anastasio <shawn@anastas.io>,
        Steven Rostedt <rostedt@goodmis.org>,
        Steven Price <steven.price@arm.com>,
        Vlastimil Babka <vbabka@suse.cz>, linux-kernel@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
        Adam Ruprecht <ruprecht@google.com>,
        Cannon Matthews <cannonmatthews@google.com>,
        "Dr . David Alan Gilbert" <dgilbert@redhat.com>,
        David Rientjes <rientjes@google.com>,
        Mina Almasry <almasrymina@google.com>,
        Oliver Upton <oupton@google.com>
Subject: Re: [PATCH v8 5/6] userfaultfd: update documentation to describe
 minor fault handling
Message-ID: <20210225205249.GB261488@xz-x1>
References: <20210225002658.2021807-1-axelrasmussen@google.com>
 <20210225002658.2021807-6-axelrasmussen@google.com>
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On Wed, Feb 24, 2021 at 04:26:57PM -0800, Axel Rasmussen wrote:
> Reword / reorganize things a little bit into "lists", so new features /
> modes / ioctls can sort of just be appended.
> 
> Describe how UFFDIO_REGISTER_MODE_MINOR and UFFDIO_CONTINUE can be used
> to intercept and resolve minor faults. Make it clear that COPY and
> ZEROPAGE are used for MISSING faults, whereas CONTINUE is used for MINOR
> faults.
> 
> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>

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

-- 
Peter Xu