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 Koutný" <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
Date: Thu, 25 Feb 2021 15:52:49 -0500 [thread overview]
Message-ID: <20210225205249.GB261488@xz-x1> (raw)
In-Reply-To: <20210225002658.2021807-6-axelrasmussen@google.com>
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
next prev parent reply other threads:[~2021-02-25 20:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-25 0:26 [PATCH v8 0/6] userfaultfd: add minor fault handling Axel Rasmussen
2021-02-25 0:26 ` [PATCH v8 1/6] userfaultfd: add minor fault registration mode Axel Rasmussen
2021-02-25 0:26 ` [PATCH v8 2/6] userfaultfd: disable huge PMD sharing for MINOR registered VMAs Axel Rasmussen
2021-02-25 0:26 ` [PATCH v8 3/6] userfaultfd: hugetlbfs: only compile UFFD helpers if config enabled Axel Rasmussen
2021-02-25 0:26 ` [PATCH v8 4/6] userfaultfd: add UFFDIO_CONTINUE ioctl Axel Rasmussen
2021-02-25 20:51 ` Peter Xu
2021-02-25 0:26 ` [PATCH v8 5/6] userfaultfd: update documentation to describe minor fault handling Axel Rasmussen
2021-02-25 20:52 ` Peter Xu [this message]
2021-02-25 0:26 ` [PATCH v8 6/6] userfaultfd/selftests: add test exercising " Axel Rasmussen
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