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authorKalle Valo <kvalo@codeaurora.org>2017-02-07 09:30:26 +0200
committerKalle Valo <kvalo@codeaurora.org>2017-02-07 09:30:26 +0200
commitd7eb3c0a6bb34cf0e6bc73ed65784363bbba6763 (patch)
tree8db75fbe280709e82fa49c4f9969cbd831aae8f8 /tools/perf/util/block-range.h
parentcceb0a5973202b4a5d649ede937d35786d7ca168 (diff)
parent8364fbb497f00de21d6d347194fa8b6bbae1d6f5 (diff)
Merge tag 'iwlwifi-next-for-kalle-2017-02-06' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Second batch of improvements and fixes for v4.11. * A bunch of bugfixes for the DQA code; * Work on support for new A000 devices continues; * Some clean-ups and general improvements
Diffstat (limited to 'tools/perf/util/block-range.h')
0 files changed, 0 insertions, 0 deletions
0/0xb0 kernfs_fop_write+0x17c/0x250 __vfs_write+0x6c/0x1e0 vfs_write+0xd0/0x270 SyS_write+0x6c/0x110 system_call+0x38/0xe0 Examination of the queue showed a single reference (no PERCPU_COUNT_BIAS, and __PERCPU_REF_DEAD, __PERCPU_REF_ATOMIC set) and no requests. However, conditions at the time of the race are count of PERCPU_COUNT_BIAS + 0 and __PERCPU_REF_DEAD and __PERCPU_REF_ATOMIC set. The fix is to make the tryget routines use an actual boolean internally instead of the atomic long result truncated to a int. Fixes: e625305b3907 percpu-refcount: make percpu_ref based on longs instead of ints Link: https://bugzilla.kernel.org/show_bug.cgi?id=190751 Signed-off-by: Douglas Miller <dougmill@linux.vnet.ibm.com> Reviewed-by: Jens Axboe <axboe@fb.com> Signed-off-by: Tejun Heo <tj@kernel.org> Fixes: e625305b3907 ("percpu-refcount: make percpu_ref based on longs instead of ints") Cc: stable@vger.kernel.org # v3.18+
Diffstat (limited to 'tools/testing/selftests/powerpc/dscr')