From: Ralph Campbell <rcampbell@nvidia.com>
To: <linux-mm@kvack.org>
Cc: linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
"Jérôme Glisse" <jglisse@redhat.com>,
"Jason Gunthorpe" <jgg@mellanox.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Christoph Hellwig" <hch@lst.de>,
"Ralph Campbell" <rcampbell@nvidia.com>
Subject: [PATCH 0/4] HMM tests and minor fixes
Date: Wed, 11 Sep 2019 15:28:25 -0700 [thread overview]
Message-ID: <20190911222829.28874-1-rcampbell@nvidia.com> (raw)
These changes are based on Jason's latest hmm branch.
Patch 1 was previously posted here [1] but was dropped from the orginal
series. Hopefully, the tests will reduce concerns about edge conditions.
I'm sure more tests could be usefully added but I thought this was a good
starting point.
[1] https://lore.kernel.org/linux-mm/20190726005650.2566-6-rcampbell@nvidia.com/
Ralph Campbell (4):
mm/hmm: make full use of walk_page_range()
mm/hmm: allow snapshot of the special zero page
mm/hmm: allow hmm_range_fault() of mmap(PROT_NONE)
mm/hmm/test: add self tests for HMM
MAINTAINERS | 3 +
drivers/char/Kconfig | 11 +
drivers/char/Makefile | 1 +
drivers/char/hmm_dmirror.c | 1504 ++++++++++++++++++++++++
include/Kbuild | 1 +
include/uapi/linux/hmm_dmirror.h | 74 ++
mm/hmm.c | 117 +-
tools/testing/selftests/vm/.gitignore | 1 +
tools/testing/selftests/vm/Makefile | 3 +
tools/testing/selftests/vm/config | 3 +
tools/testing/selftests/vm/hmm-tests.c | 1304 ++++++++++++++++++++
tools/testing/selftests/vm/run_vmtests | 16 +
tools/testing/selftests/vm/test_hmm.sh | 105 ++
13 files changed, 3079 insertions(+), 64 deletions(-)
create mode 100644 drivers/char/hmm_dmirror.c
create mode 100644 include/uapi/linux/hmm_dmirror.h
create mode 100644 tools/testing/selftests/vm/hmm-tests.c
create mode 100755 tools/testing/selftests/vm/test_hmm.sh
--
2.20.1
next reply other threads:[~2019-09-11 22:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-11 22:28 Ralph Campbell [this message]
2019-09-11 22:28 ` [PATCH 1/4] mm/hmm: make full use of walk_page_range() Ralph Campbell
2019-09-12 8:26 ` Christoph Hellwig
2019-09-12 17:16 ` Ralph Campbell
2019-09-11 22:28 ` [PATCH 2/4] mm/hmm: allow snapshot of the special zero page Ralph Campbell
2019-09-12 8:26 ` Christoph Hellwig
2019-09-12 17:08 ` Ralph Campbell
2019-09-11 22:28 ` [PATCH 3/4] mm/hmm: allow hmm_range_fault() of mmap(PROT_NONE) Ralph Campbell
2019-09-11 22:28 ` [PATCH 4/4] mm/hmm/test: add self tests for HMM Ralph Campbell
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