This is a note to let you know that I've just added the patch titled

mmc: mmc_test: Ensure command queue is disabled for testing

to the 4.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: mmc-mmc_test-ensure-command-queue-is-disabled-for-testing.patch and it can be found in the queue-4.15 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Fri Mar 16 15:11:08 CET 2018

From: Adrian Hunter adrian.hunter@intel.com Date: Fri, 1 Dec 2017 14:55:31 +0200 Subject: mmc: mmc_test: Ensure command queue is disabled for testing

From: Adrian Hunter adrian.hunter@intel.com

[ Upstream commit 23a185254ace8e63dc4ca36e0315aed9440ae749 ]

mmc_test disables the command queue because none of the tests use the command queue. However the Reset Test will re-enable it, so disable it in that case too.

Fixes: 9d4579a85c84 ("mmc: mmc_test: Disable Command Queue while mmc_test is used") Signed-off-by: Adrian Hunter adrian.hunter@intel.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mmc/core/mmc_test.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)

--- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -2328,10 +2328,17 @@ static int mmc_test_reset(struct mmc_tes int err;

err = mmc_hw_reset(host); - if (!err) + if (!err) { + /* + * Reset will re-enable the card's command queue, but tests + * expect it to be disabled. + */ + if (card->ext_csd.cmdq_en) + mmc_cmdq_disable(card); return RESULT_OK; - else if (err == -EOPNOTSUPP) + } else if (err == -EOPNOTSUPP) { return RESULT_UNSUP_HOST; + }

return RESULT_FAIL; }

Patches currently in stable-queue which might be from adrian.hunter@intel.com are

queue-4.15/mmc-mmc_test-ensure-command-queue-is-disabled-for-testing.patch queue-4.15/perf-report-fix-d-output-for-user-metadata-events.patch