Re: [PATCH 0/5] mm/hmm: HMM documentation updates and code fixes

From: Ralph Campbell <rcampbell@nvidia.com>
To: Jerome Glisse <jglisse@redhat.com>
Cc: <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
	John Hubbard <jhubbard@nvidia.com>,
	Ira Weiny <ira.weiny@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Balbir Singh <bsingharora@gmail.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Matthew Wilcox <willy@infradead.org>,
	Souptick Joarder <jrdr.linux@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 0/5] mm/hmm: HMM documentation updates and code fixes
Date: Mon, 13 May 2019 10:26:59 -0700	[thread overview]
Message-ID: <89c6ce48-190b-65df-7c35-a0eb0f5d936f@nvidia.com> (raw)
In-Reply-To: <20190512150832.GB4238@redhat.com>

On 5/12/19 8:08 AM, Jerome Glisse wrote:
> On Mon, May 06, 2019 at 04:29:37PM -0700, rcampbell@nvidia.com wrote:
>> From: Ralph Campbell <rcampbell@nvidia.com>
>>
>> I hit a use after free bug in hmm_free() with KASAN and then couldn't
>> stop myself from cleaning up a bunch of documentation and coding style
>> changes. So the first two patches are clean ups, the last three are
>> the fixes.
>>
>> Ralph Campbell (5):
>>    mm/hmm: Update HMM documentation
>>    mm/hmm: Clean up some coding style and comments
>>    mm/hmm: Use mm_get_hmm() in hmm_range_register()
>>    mm/hmm: hmm_vma_fault() doesn't always call hmm_range_unregister()
>>    mm/hmm: Fix mm stale reference use in hmm_free()
> 
> This patchset does not seems to be on top of
> https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-5.2-v3
> 
> So here we are out of sync, on documentation and code. If you
> have any fix for https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-5.2-v3
> then please submit something on top of that.
> 
> Cheers,
> Jérôme
> 
>>
>>   Documentation/vm/hmm.rst | 139 ++++++++++++++++++-----------------
>>   include/linux/hmm.h      |  84 ++++++++++------------
>>   mm/hmm.c                 | 151 ++++++++++++++++-----------------------
>>   3 files changed, 174 insertions(+), 200 deletions(-)
>>
>> -- 
>> 2.20.1

The patches are based on top of Andrew's mmotm tree
git://git.cmpxchg.org/linux-mmotm.git v5.1-rc6-mmotm-2019-04-25-16-30.
They apply cleanly to that git tag as well as your hmm-5.2-v3 branch
so I guess I am confused where we are out of sync.