From: Pavel Machek <pavel@ucw.cz>
To: Andrew Morton <akpm@zip.com.au>,
kernel list <linux-kernel@vger.kernel.org>,
ncunningham@cyclades.com
Subject: swsusp: Add missing refrigerator calls
Date: Wed, 16 Mar 2005 00:35:34 +0100 [thread overview]
Message-ID: <20050315233534.GC21292@elf.ucw.cz> (raw)
Hi!
This adds few more places where it is possible freeze kernel
threads. Please apply,
Pavel
From: Nigel Cunningham <ncunningham@cyclades.com>
Signed-off-by: Pavel Machek <pavel@suse.cz>
diff -ruNp 213-missing-refrigerator-calls-old/drivers/media/video/msp3400.c 213-missing-refrigerator-calls-new/drivers/media/video/msp3400.c
--- 213-missing-refrigerator-calls-old/drivers/media/video/msp3400.c 2005-03-16 10:10:49.000000000 +1100
+++ 213-missing-refrigerator-calls-new/drivers/media/video/msp3400.c 2005-03-16 10:10:53.000000000 +1100
@@ -734,6 +734,7 @@ static int msp34xx_sleep(struct msp3400c
{
DECLARE_WAITQUEUE(wait, current);
+again:
add_wait_queue(&msp->wq, &wait);
if (!kthread_should_stop()) {
if (timeout < 0) {
@@ -749,9 +750,12 @@ static int msp34xx_sleep(struct msp3400c
#endif
}
}
- if (current->flags & PF_FREEZE)
- refrigerator(PF_FREEZE);
+
remove_wait_queue(&msp->wq, &wait);
+
+ if (try_to_freeze(PF_FREEZE))
+ goto again;
+
return msp->restart;
}
diff -ruNp 213-missing-refrigerator-calls-old/drivers/media/video/tvaudio.c 213-missing-refrigerator-calls-new/drivers/media/video/tvaudio.c
--- 213-missing-refrigerator-calls-old/drivers/media/video/tvaudio.c 2005-02-03 22:33:29.000000000 +1100
+++ 213-missing-refrigerator-calls-new/drivers/media/video/tvaudio.c 2005-03-11 09:35:15.000000000 +1100
@@ -286,6 +286,7 @@ static int chip_thread(void *data)
schedule();
}
remove_wait_queue(&chip->wq, &wait);
+ try_to_freeze(PF_FREEZE);
if (chip->done || signal_pending(current))
break;
dprintk("%s: thread wakeup\n", i2c_clientname(&chip->c));
diff -ruNp 213-missing-refrigerator-calls-old/drivers/pnp/pnpbios/core.c 213-missing-refrigerator-calls-new/drivers/pnp/pnpbios/core.c
--- 213-missing-refrigerator-calls-old/drivers/pnp/pnpbios/core.c 2005-02-14 09:05:26.000000000 +1100
+++ 213-missing-refrigerator-calls-new/drivers/pnp/pnpbios/core.c 2005-03-11 09:35:15.000000000 +1100
@@ -180,8 +180,12 @@ static int pnp_dock_thread(void * unused
* Poll every 2 seconds
*/
msleep_interruptible(2000);
- if(signal_pending(current))
+
+ if(signal_pending(current)) {
+ if (try_to_freeze(PF_FREEZE))
+ continue;
break;
+ }
status = pnp_bios_dock_station_info(&now);
diff -ruNp 213-missing-refrigerator-calls-old/fs/afs/kafsasyncd.c 213-missing-refrigerator-calls-new/fs/afs/kafsasyncd.c
--- 213-missing-refrigerator-calls-old/fs/afs/kafsasyncd.c 2005-02-03 22:33:40.000000000 +1100
+++ 213-missing-refrigerator-calls-new/fs/afs/kafsasyncd.c 2005-03-11 09:35:15.000000000 +1100
@@ -116,6 +116,8 @@ static int kafsasyncd(void *arg)
remove_wait_queue(&kafsasyncd_sleepq, &myself);
set_current_state(TASK_RUNNING);
+ try_to_freeze(PF_FREEZE);
+
/* discard pending signals */
afs_discard_my_signals();
diff -ruNp 213-missing-refrigerator-calls-old/fs/afs/kafstimod.c 213-missing-refrigerator-calls-new/fs/afs/kafstimod.c
--- 213-missing-refrigerator-calls-old/fs/afs/kafstimod.c 2005-02-03 22:33:40.000000000 +1100
+++ 213-missing-refrigerator-calls-new/fs/afs/kafstimod.c 2005-03-11 09:35:15.000000000 +1100
@@ -91,6 +91,8 @@ static int kafstimod(void *arg)
complete_and_exit(&kafstimod_dead, 0);
}
+ try_to_freeze(PF_FREEZE);
+
/* discard pending signals */
afs_discard_my_signals();
diff -ruNp 213-missing-refrigerator-calls-old/fs/lockd/clntproc.c 213-missing-refrigerator-calls-new/fs/lockd/clntproc.c
--- 213-missing-refrigerator-calls-old/fs/lockd/clntproc.c 2004-12-10 14:27:10.000000000 +1100
+++ 213-missing-refrigerator-calls-new/fs/lockd/clntproc.c 2005-03-11 09:35:15.000000000 +1100
@@ -312,6 +312,7 @@ static int nlm_wait_on_grace(wait_queue_
prepare_to_wait(queue, &wait, TASK_INTERRUPTIBLE);
if (!signalled ()) {
schedule_timeout(NLMCLNT_GRACE_WAIT);
+ try_to_freeze(PF_FREEZE);
if (!signalled ())
status = 0;
}
diff -ruNp 213-missing-refrigerator-calls-old/kernel/signal.c 213-missing-refrigerator-calls-new/kernel/signal.c
--- 213-missing-refrigerator-calls-old/kernel/signal.c 2005-03-16 10:10:48.000000000 +1100
+++ 213-missing-refrigerator-calls-new/kernel/signal.c 2005-03-16 10:10:41.000000000 +1100
@@ -2201,6 +2201,8 @@ sys_rt_sigtimedwait(const sigset_t __use
current->state = TASK_INTERRUPTIBLE;
timeout = schedule_timeout(timeout);
+ if (current->flags & PF_FREEZE)
+ refrigerator(PF_FREEZE);
spin_lock_irq(¤t->sighand->siglock);
sig = dequeue_signal(current, &these, &info);
current->blocked = current->real_blocked;
diff -ruNp 213-missing-refrigerator-calls-old/net/rxrpc/krxiod.c 213-missing-refrigerator-calls-new/net/rxrpc/krxiod.c
--- 213-missing-refrigerator-calls-old/net/rxrpc/krxiod.c 2005-02-03 22:33:53.000000000 +1100
+++ 213-missing-refrigerator-calls-new/net/rxrpc/krxiod.c 2005-03-11 09:35:15.000000000 +1100
@@ -138,6 +138,8 @@ static int rxrpc_krxiod(void *arg)
_debug("### End Work");
+ try_to_freeze(PF_FREEZE);
+
/* discard pending signals */
rxrpc_discard_my_signals();
diff -ruNp 213-missing-refrigerator-calls-old/net/rxrpc/krxsecd.c 213-missing-refrigerator-calls-new/net/rxrpc/krxsecd.c
--- 213-missing-refrigerator-calls-old/net/rxrpc/krxsecd.c 2005-02-03 22:33:53.000000000 +1100
+++ 213-missing-refrigerator-calls-new/net/rxrpc/krxsecd.c 2005-03-11 09:35:15.000000000 +1100
@@ -107,6 +107,8 @@ static int rxrpc_krxsecd(void *arg)
_debug("### End Inbound Calls");
+ try_to_freeze(PF_FREEZE);
+
/* discard pending signals */
rxrpc_discard_my_signals();
diff -ruNp 213-missing-refrigerator-calls-old/net/rxrpc/krxtimod.c 213-missing-refrigerator-calls-new/net/rxrpc/krxtimod.c
--- 213-missing-refrigerator-calls-old/net/rxrpc/krxtimod.c 2005-02-03 22:33:53.000000000 +1100
+++ 213-missing-refrigerator-calls-new/net/rxrpc/krxtimod.c 2005-03-11 09:35:15.000000000 +1100
@@ -90,6 +90,8 @@ static int krxtimod(void *arg)
complete_and_exit(&krxtimod_dead, 0);
}
+ try_to_freeze(PF_FREEZE);
+
/* discard pending signals */
rxrpc_discard_my_signals();
diff -ruNp 213-missing-refrigerator-calls-old/net/sunrpc/svcsock.c 213-missing-refrigerator-calls-new/net/sunrpc/svcsock.c
--- 213-missing-refrigerator-calls-old/net/sunrpc/svcsock.c 2005-02-03 22:33:53.000000000 +1100
+++ 213-missing-refrigerator-calls-new/net/sunrpc/svcsock.c 2005-03-11 09:35:15.000000000 +1100
@@ -1186,6 +1186,7 @@ svc_recv(struct svc_serv *serv, struct s
arg->len = (pages-1)*PAGE_SIZE;
arg->tail[0].iov_len = 0;
+ try_to_freeze(PF_FREEZE);
if (signalled())
return -EINTR;
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
reply other threads:[~2005-03-15 23:36 UTC|newest]
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