linux-kernel - [PATCH 0/2] mm/hmm: two bug fixes for hmm_range

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Message-ID: <20190823221753.2514-1-rcampbell@nvidia.com>
Date:   Fri, 23 Aug 2019 15:17:51 -0700
From:   Ralph Campbell <rcampbell@...dia.com>
To:     <linux-mm@...ck.org>
CC:     <linux-kernel@...r.kernel.org>, <amd-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>, <nouveau@...ts.freedesktop.org>,
        Jérôme Glisse <jglisse@...hat.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Christoph Hellwig" <hch@....de>,
        Ralph Campbell <rcampbell@...dia.com>
Subject: [PATCH 0/2] mm/hmm: two bug fixes for hmm_range_fault()

I have been working on converting Jerome's hmm_dummy driver and self
tests into a stand-alone set of tests to be included in
tools/testing/selftests/vm and came across these two bug fixes in the
process. The tests aren't quite ready to be posted as a patch.
I'm posting the fixes now since I thought they shouldn't wait.
They should probably have a fixes line but with all the HMM changes,
I wasn't sure exactly which commit to use.

These are based on top of Jason's latest hmm branch.

Ralph Campbell (2):
  mm/hmm: hmm_range_fault() NULL pointer bug
  mm/hmm: hmm_range_fault() infinite loop

 mm/hmm.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

-- 
2.20.1