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authorDavidlohr Bueso <dave@stgolabs.net>2018-08-21 21:56:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 10:52:47 -0700
commit92e641784055998879942d39c74d4f84fa750968 (patch)
tree590e88eb19ef4597e2e4a6ad36d18ada7ce166e5 /scripts
parentfs/epoll: loosen irq safety in epoll_insert() and epoll_remove() (diff)
downloadlinux-dev-92e641784055998879942d39c74d4f84fa750968.tar.xz
linux-dev-92e641784055998879942d39c74d4f84fa750968.zip
s/epoll: robustify irq safety with lockdep_assert_irqs_enabled()
Sprinkle lockdep_assert_irqs_enabled() checks in the functions that do not save and restore interrupts when dealing with the ep->wq.lock. These are ep_scan_ready_list() and those called by epoll_ctl(): ep_insert, ep_modify and ep_remove. [akpm@linux-foundation.org: remove too-obvious comments] Link: http://lkml.kernel.org/r/20180721183127.3busfa335zlcjeox@linux-r8p5 Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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