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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-27 10:54:33 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-05-27 10:54:33 +0900
commit829455bb0e994373519e3c58d403fc1148f44630 (patch)
tree7e4a250eb8208e2a7fa2787b03d2cf989a8ccc5a /ipc
parent42b4212baa28ebb07147c1de3990c596e7612e97 (diff)
parente4aa937ec75df0eea0bee03bffa3303ad36c986b (diff)
Merge 3.10-rc3 into staging-next
We want the changes here, and we resolve the merge conflict that was happening in the nvec_kbd.c file. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/sem.c27
1 files changed, 22 insertions, 5 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index a7e40ed8a076..70480a3aa698 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)