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authorTejun Heo <tj@kernel.org>2019-09-23 20:08:58 +0200
committerTejun Heo <tj@kernel.org>2019-10-04 19:23:01 +0200
commitc29eb85386880750130a01aabf288408a6614d65 (patch)
treea1611859442a41355f2182432afb2bec93921d01 /kernel/rcu/rcu.h
parentworkqueue: Minor follow-ups to the rescuer destruction change (diff)
downloadlinux-c29eb85386880750130a01aabf288408a6614d65.tar.xz
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workqueue: more destroy_workqueue() fixes
destroy_workqueue() warnings still, at a lower frequency, trigger spuriously. The problem seems to be in-flight operations which haven't reached put_pwq() yet. * Make sanity check grab all the related locks so that it's synchronized against operations which puts pwq at the end. * Always print out the offending pwq. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: "Williams, Gerald S" <gerald.s.williams@intel.com>
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