From: Lee Revell <rlrevell@joe-job.com>
To: george@mvista.com
Cc: Corey Minyard <minyard@acm.org>, Andrew Morton <akpm@osdl.org>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] Fixes for IPMI use of timers
Date: Fri, 20 May 2005 21:30:05 -0400 [thread overview]
Message-ID: <1116639005.14582.7.camel@mindpipe> (raw)
In-Reply-To: <428E8B68.6040909@mvista.com>
On Fri, 2005-05-20 at 18:14 -0700, George Anzinger wrote:
> > /* We already have irqsave on, so no need for it
> > here. */
> > - read_lock(&xtime_lock);
> > + read_lock_irqsave(&xtime_lock, flags);
>
> I rather hope this fails to compile :) xtime_lock is a sequence lock in the 2.6
> kernel.
>
> > jiffies_now = jiffies;
> > smi_info->si_timer.expires = jiffies_now;
> > smi_info->si_timer.sub_expires = get_arch_cycles(jiffies_now);
> > + read_unlock_irqrestore(&xtime_lock, flags);
The old code clearly has an unbalanced lock/unlock, maybe it's
sufficient to just fix that?
Lee
next prev parent reply other threads:[~2005-05-21 1:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-19 23:30 [PATCH] Fixes for IPMI use of timers Corey Minyard
2005-05-19 23:51 ` Lee Revell
2005-05-20 2:20 ` Corey Minyard
2005-05-21 1:14 ` George Anzinger
2005-05-21 1:30 ` Lee Revell [this message]
2005-05-21 2:00 ` Corey Minyard
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