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| author | Ingo Molnar <mingo@elte.hu> | 2011-06-03 10:41:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-06-03 10:41:08 +0200 |
| commit | 27eb4a1e4a56afacb0540c24084b9e0342f9956b (patch) | |
| tree | 85bd26c6d7cdee8ee4c2d69d195f3e2bdbbc54fe /drivers/edac/edac_device.c | |
| parent | 64ce312618ef0e11d88def80effcefd1b59fdb1e (diff) | |
| parent | 55922c9d1b84b89cb946c777fddccb3247e7df2c (diff) | |
Merge commit 'v3.0-rc1' into perf/core
Merge reason: merge in the latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/edac/edac_device.c')
| -rw-r--r-- | drivers/edac/edac_device.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c index a7408cf86f37..c3f67437afb6 100644 --- a/drivers/edac/edac_device.c +++ b/drivers/edac/edac_device.c @@ -346,30 +346,18 @@ fail1: } /* - * complete_edac_device_list_del - * - * callback function when reference count is zero - */ -static void complete_edac_device_list_del(struct rcu_head *head) -{ - struct edac_device_ctl_info *edac_dev; - - edac_dev = container_of(head, struct edac_device_ctl_info, rcu); - INIT_LIST_HEAD(&edac_dev->link); -} - -/* * del_edac_device_from_global_list - * - * remove the RCU, setup for a callback call, - * then wait for the callback to occur */ static void del_edac_device_from_global_list(struct edac_device_ctl_info *edac_device) { list_del_rcu(&edac_device->link); - call_rcu(&edac_device->rcu, complete_edac_device_list_del); - rcu_barrier(); + + /* these are for safe removal of devices from global list while + * NMI handlers may be traversing list + */ + synchronize_rcu(); + INIT_LIST_HEAD(&edac_device->link); } /* |