Messages in this thread | | | Date | Tue, 2 Nov 2004 22:32:29 +0000 | From | Russell King <> | Subject | Re: [PATCH] Driver Core patches for 2.6.10-rc1 |
| |
On Mon, Nov 01, 2004 at 01:57:57PM -0800, Greg KH wrote: > This patch fixes the problem by using a separate semaphore, called > dpm_list_sem, to cover the places where we need the device pm lists to be > stable, and by being careful about how we traverse the lists on suspend and > resume. I have analysed the various cases that can occur and I am > confident that I have handled them all correctly. I posted this patch > together with a detailed analysis 10 days ago.
Does this mean that a device driver can have its suspend or resume methods called in the middle of a probe or remove on a different CPU ? (note: x86 APM does not freeze all processes last time I checked...)
If yes, has anyone audited the drivers to ensure that they're correct in respect of this?
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 PCMCIA - http://pcmcia.arm.linux.org.uk/ 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |