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| author | Corey Minyard <minyard@acm.org> | 2005-06-24 07:01:40 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 09:05:23 +0200 |
| commit | 8f43f84f13a49fe5f0f7d1595082b6d7ec6daa85 (patch) | |
| tree | 90ae2d056b5e0ad46a4ef88b8c7d76ff514bf5c4 | |
| parent | [PATCH] ipmi: doc updates (diff) | |
| download | linux-8f43f84f13a49fe5f0f7d1595082b6d7ec6daa85.tar.xz linux-8f43f84f13a49fe5f0f7d1595082b6d7ec6daa85.zip | |
[PATCH] ipmi: timer shutdown cleanup
Clean up the timer shutdown handling in the IPMI driver.
Signed-off-by: Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | drivers/char/ipmi/ipmi_msghandler.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 0c81652eaba6..ed75e96d0035 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -2747,16 +2747,13 @@ static struct timer_list ipmi_timer; the queue and this silliness can go away. */ #define IPMI_REQUEST_EV_TIME (1000 / (IPMI_TIMEOUT_TIME)) -static volatile int stop_operation = 0; -static volatile int timer_stopped = 0; +static atomic_t stop_operation; static unsigned int ticks_to_req_ev = IPMI_REQUEST_EV_TIME; static void ipmi_timeout(unsigned long data) { - if (stop_operation) { - timer_stopped = 1; + if (atomic_read(&stop_operation)) return; - } ticks_to_req_ev--; if (ticks_to_req_ev == 0) { @@ -2766,8 +2763,7 @@ static void ipmi_timeout(unsigned long data) ipmi_timeout_handler(IPMI_TIMEOUT_TIME); - ipmi_timer.expires += IPMI_TIMEOUT_JIFFIES; - add_timer(&ipmi_timer); + mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES); } @@ -3130,11 +3126,8 @@ static __exit void cleanup_ipmi(void) /* Tell the timer to stop, then wait for it to stop. This avoids problems with race conditions removing the timer here. */ - stop_operation = 1; - while (!timer_stopped) { - set_current_state(TASK_UNINTERRUPTIBLE); - schedule_timeout(1); - } + atomic_inc(&stop_operation); + del_timer_sync(&ipmi_timer); remove_proc_entry(proc_ipmi_root->name, &proc_root); |