The patch titled
Subject: fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix
has been added to the -mm tree. Its filename is
fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix.patch
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Subject: fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix
Sorry, I just realized I forgot these fixlets when sending the v1.
Link: http://lkml.kernel.org/r/20181109155258.jxcr4t2pnz6zqct3@linux-r8p5
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Davidlohr Bueso <dbueso@xxxxxxx>
Cc: Jason Baron <jbaron@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/eventpoll.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/eventpoll.c~fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix
+++ a/fs/eventpoll.c
@@ -381,7 +381,7 @@ static void ep_nested_calls_init(struct
*/
static inline int ep_events_available(struct eventpoll *ep)
{
- return !list_empty(&ep->rdllist) ||
+ return !list_empty_careful(&ep->rdllist) ||
READ_ONCE(ep->ovflist) != EP_UNACTIVE_PTR;
}
_
Patches currently in -mm which might be from dave@xxxxxxxxxxxx are
fs-epoll-remove-max_nests-argument-from-ep_call_nested.patch
fs-epoll-simplify-ep_send_events_proc-ready-list-loop.patch
fs-epoll-drop-ovflist-branch-prediction.patch
fs-epoll-robustify-ep-mtx-held-checks.patch
fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait.patch
fs-epoll-reduce-the-scope-of-wq-lock-in-epoll_wait-fix.patch
fs-epoll-avoid-barrier-after-an-epoll_wait2-timeout.patch
fs-epoll-avoid-barrier-after-an-epoll_wait2-timeout-fix.patch
