linux-kernel - Re: 2.6.18-rt1

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Date:	Wed, 20 Sep 2006 13:31:06 -0700
From:	Daniel Walker <dwalker@...sta.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Gene Heskett <gene.heskett@...izon.net>,
	linux-kernel@...r.kernel.org, paulmck@...ibm.com,
	Thomas Gleixner <tglx@...utronix.de>,
	John Stultz <johnstul@...ibm.com>,
	Dipankar Sarma <dipankar@...ibm.com>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: 2.6.18-rt1

On Wed, 2006-09-20 at 22:14 +0200, Ingo Molnar wrote:
> >         if (up->port.sysrq) {
> >                 /* serial8250_handle_port() already took the lock */
> >                 locked = 0;


In this case it had interrupts off in the !PREEMPT_RT case, but your
change leaves them on here.. _irqsave only runs in two of the three
cases..

Daniel 

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