linux-kernel - RE: 2.6.30 enabling cpu1 on resume fails after suspend to memory

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Date:	Sun, 14 Jun 2009 15:49:34 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
cc:	"Benjamin S." <sbenni@....de>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	"js@...21.net" <js@...21.net>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Matthew Wilcox <matthew@....cx>
Subject: RE: 2.6.30 enabling cpu1 on resume fails after suspend to memory

On Sun, 14 Jun 2009, Pallipadi, Venkatesh wrote:
> >Benjamin just confirmed that. The logic in disable_device_interrupts()
> >already skips interrupts marked with IRQF_TIMER, but I suspect that
> >the hpet/MSI interupts are not marked that way.
> >
> 
> For percpu hpet at offline we will have
> - clockevent shutdown which will disable the interrupt
> - free_irq that will unregister on CPU DEAD

Well, the interupt in question is on the boot cpu which is not going
through CPU DEAD :)

Thanks,

	tglx
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