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| author | Borislav Petkov <bp@suse.de> | 2014-02-12 18:15:00 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2014-04-02 00:58:52 +0100 |
| commit | fff691886ed8c83d3ba90e097f1b2c241d11c5e7 (patch) | |
| tree | 3893b72eca4aab4f9c92c34f0128a5515cb14b0f /drivers/edac | |
| parent | d7847e1d484d1669ec3576d222fcbb7d078d1b69 (diff) | |
| download | kernel_samsung_smdk4412-fff691886ed8c83d3ba90e097f1b2c241d11c5e7.zip kernel_samsung_smdk4412-fff691886ed8c83d3ba90e097f1b2c241d11c5e7.tar.gz kernel_samsung_smdk4412-fff691886ed8c83d3ba90e097f1b2c241d11c5e7.tar.bz2 | |
EDAC: Correct workqueue setup path
commit cb6ef42e516cb8948f15e4b70dc03af8020050a2 upstream.
We're using edac_mc_workq_setup() both on the init path, when
we load an edac driver and when we change the polling period
(edac_mc_reset_delay_period) through /sys/.../edac_mc_poll_msec.
On that second path we don't need to init the workqueue which has been
initialized already.
Thanks to Tejun for workqueue insights.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1391457913-881-1-git-send-email-prarit@redhat.com
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/edac_mc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index d69144a..7db101b 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -323,7 +323,8 @@ static void edac_mc_workq_function(struct work_struct *work_req) * * called with the mem_ctls_mutex held */ -static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec) +static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec, + bool init) { debugf0("%s()\n", __func__); @@ -331,7 +332,9 @@ static void edac_mc_workq_setup(struct mem_ctl_info *mci, unsigned msec) if (mci->op_state != OP_RUNNING_POLL) return; - INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function); + if (init) + INIT_DELAYED_WORK(&mci->work, edac_mc_workq_function); + queue_delayed_work(edac_workqueue, &mci->work, msecs_to_jiffies(msec)); } @@ -391,7 +394,7 @@ void edac_mc_reset_delay_period(int value) list_for_each(item, &mc_devices) { mci = list_entry(item, struct mem_ctl_info, link); - edac_mc_workq_setup(mci, (unsigned long) value); + edac_mc_workq_setup(mci, value, false); } mutex_unlock(&mem_ctls_mutex); @@ -539,7 +542,7 @@ int edac_mc_add_mc(struct mem_ctl_info *mci) /* This instance is NOW RUNNING */ mci->op_state = OP_RUNNING_POLL; - edac_mc_workq_setup(mci, edac_mc_get_poll_msec()); + edac_mc_workq_setup(mci, edac_mc_get_poll_msec(), true); } else { mci->op_state = OP_RUNNING_INTERRUPT; } |