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From: Roger Luethi <rl@hellgate.ch>
To: linux-kernel@vger.kernel.org
Subject: [PATCH][2.6] Fix early __might_sleep() calls
Date: Mon, 6 Oct 2003 21:52:36 +0200	[thread overview]
Message-ID: <20031006195236.GA24413@k3.hellgate.ch> (raw)

__might_sleep prints warnings only after jiffies wrap (typically after 5
minutes of uptime).

Patch against 2.6 CVS.

Roger

--- linux-2.5/kernel/sched.c.orig	2003-10-06 20:58:47.258167317 +0200
+++ linux-2.5/kernel/sched.c	2003-10-06 21:31:32.676707449 +0200
@@ -2847,7 +2847,7 @@ void __might_sleep(char *file, int line)
 	static unsigned long prev_jiffy;	/* ratelimiting */
 
 	if (in_atomic() || irqs_disabled()) {
-		if (time_before(jiffies, prev_jiffy + HZ))
+		if (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)
 			return;
 		prev_jiffy = jiffies;
 		printk(KERN_ERR "Debug: sleeping function called from invalid"

                 reply	other threads:[~2003-10-06 19:52 UTC|newest]

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