On Tue, 8 May 2018 11:44:24 -0600 Ross Zwisler <ross.zwis...@linux.intel.com> wrote:
> On Thu, May 03, 2018 at 01:24:25PM -0600, Ross Zwisler wrote: > > The following series gets the radix tree test suite compiling again in > > the current linux/master, adds a unit test which exposes a race in the > > radix tree multi-order iteration code, and then fixes that race. > > > > This race was initially hit on a v4.15 based kernel and results in a GP > > fault. I've described the race in detail in patches 4 and 5. > > > > The fix is simple and necessary, and I think it should be merged for > > v4.17. > > > > This tree has gotten positive build confirmation from the 0-day bot, > > passes the updated radix tree test suite, xfstests, and the original > > test that was hitting the race with the v4.15 based kernel. > > > > Ross Zwisler (5): > > radix tree test suite: fix mapshift build target > > radix tree test suite: fix compilation issue > > radix tree test suite: add item_delete_rcu() > > radix tree test suite: multi-order iteration race > > radix tree: fix multi-order iteration race > > > > lib/radix-tree.c | 6 ++-- > > tools/include/linux/spinlock.h | 3 +- > > tools/testing/radix-tree/Makefile | 6 ++-- > > tools/testing/radix-tree/multiorder.c | 63 > > +++++++++++++++++++++++++++++++++++ > > tools/testing/radix-tree/test.c | 19 +++++++++++ > > tools/testing/radix-tree/test.h | 3 ++ > > 6 files changed, 91 insertions(+), 9 deletions(-) > > > > -- > > 2.14.3 > > > > Ping on this series. Does anyone have any feedback? Matthew? > > I'd really like to get it into v4.17. > > We can take it through the libnvdimm tree, if that's easiest. There's a copy in Dan's linux-next tree which is missing - The Link: tag - The Fixes: tag - The Reported-by - Jan's reviewed-by - the cc:stable tag so I think I'll just ignore all that and send this series off to Linus next week.
