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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:42:53 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 10:42:53 +0900 |
| commit | 4993632218e2202d4f110c8e83ae819ca26e6845 (patch) | |
| tree | 0872195b8c09b03d54adaaaf4304d1285091b031 /ipc/sem.c | |
| parent | 1c4e2d70afb132058bfe979f6854c1d0a732b556 (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-4993632218e2202d4f110c8e83ae819ca26e6845.tar.gz | |
Merge 3.10-rc3 into driver-core-next
We want the changes here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'ipc/sem.c')
| -rw-r--r-- | ipc/sem.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/ipc/sem.c b/ipc/sem.c index a7e40ed8a07674..70480a3aa69891 100644 --- a/ipc/sem.c +++ b/ipc/sem.c @@ -752,19 +752,29 @@ static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsop int otime, struct list_head *pt) { int i; + int progress; - if (sma->complex_count || sops == NULL) { - if (update_queue(sma, -1, pt)) + progress = 1; +retry_global: + if (sma->complex_count) { + if (update_queue(sma, -1, pt)) { + progress = 1; otime = 1; + sops = NULL; + } } + if (!progress) + goto done; if (!sops) { /* No semops; something special is going on. */ for (i = 0; i < sma->sem_nsems; i++) { - if (update_queue(sma, i, pt)) + if (update_queue(sma, i, pt)) { otime = 1; + progress = 1; + } } - goto done; + goto done_checkretry; } /* Check the semaphores that were modified. */ @@ -772,8 +782,15 @@ static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsop if (sops[i].sem_op > 0 || (sops[i].sem_op < 0 && sma->sem_base[sops[i].sem_num].semval == 0)) - if (update_queue(sma, sops[i].sem_num, pt)) + if (update_queue(sma, sops[i].sem_num, pt)) { otime = 1; + progress = 1; + } + } +done_checkretry: + if (progress) { + progress = 0; + goto retry_global; } done: if (otime) |