From: Robert Love <rml@tech9.net>
To: Robert Love <rml@tech9.net>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Cole <elenstev@mesatop.com>,
Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org, Andrew Morton <akpm@digeo.com>,
Steven Cole <scole@lanl.gov>
Subject: Re: [PATCH] kernel BUG at sched.c:944! only with CONFIG_PREEMPT=y]
Date: 13 Sep 2002 03:40:25 -0400 [thread overview]
Message-ID: <1031902825.4429.130.camel@phantasy> (raw)
In-Reply-To: <1031902595.4433.125.camel@phantasy>
On Fri, 2002-09-13 at 03:36, Robert Love wrote:
> - if (unlikely(in_atomic()))
> - BUG();
> + if (unlikely(in_atomic() && preempt_count() != PREEMPT_ACTIVE)) {
> + printk(KERN_ERROR "schedule() called while non-atomic!\n");
> + show_stack(NULL);
> + }
Actually, looking at this again, we probably want to still BUG() if
in_interrupt() but _not_ if in_atomic().
Robert Love
next prev parent reply other threads:[~2002-09-13 7:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3D80EF3F.D82B9CB9@digeo.com>
[not found] ` <1031862049.2799.402.camel@spc9.esa.lanl.gov>
2002-09-12 20:35 ` [PATCH] kernel BUG at sched.c:944! only with CONFIG_PREEMPT=y] Robert Love
2002-09-12 20:44 ` Ingo Molnar
2002-09-12 20:45 ` Robert Love
2002-09-12 20:58 ` Steven Cole
2002-09-13 7:19 ` Ingo Molnar
2002-09-13 7:36 ` Robert Love
2002-09-13 7:40 ` Robert Love [this message]
2002-09-13 11:56 ` Thunder from the hill
2002-09-12 21:08 ` Andrew Morton
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