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| author | Shawn Bohrer <shawn.bohrer@gmail.com> | 2011-03-22 16:34:47 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-22 17:44:15 -0700 |
| commit | f4d93ad74c18143abd3067ca3c8ffba7d00addf4 (patch) | |
| tree | 470d7e53e696c9ff2f8e62caabb50e365ac9ca8c /usr | |
| parent | 3fb0e584a68cd1c5085e69be441f2ad032aaee72 (diff) | |
| download | blackbird-op-linux-f4d93ad74c18143abd3067ca3c8ffba7d00addf4.tar.gz blackbird-op-linux-f4d93ad74c18143abd3067ca3c8ffba7d00addf4.zip | |
epoll: fix compiler warning and optimize the non-blocking path
Add a comment to ep_poll(), rename labels a bit clearly, fix a warning of
unused variable from gcc and optimize the non-blocking path a little.
Hinted-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
hannes@cmpxchg.org:
: The non-blocking ep_poll path optimization introduced skipping over the
: return value setup.
:
: Initialize it properly, my userspace gets upset by epoll_wait() returning
: random things.
:
: In addition, remove the reinitialization at the fetch_events label, the
: return value is garuanteed to be zero when execution reaches there.
[hannes@cmpxchg.org: fix initialization]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Shawn Bohrer <shawn.bohrer@gmail.com>
Acked-by: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions
