linux-kernel - Re: [PATCH 4/8] ACPI: Use GPE reference counting to support shared GPEs

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Message-ID: <4B7E3CC5.9040901@np.css.fujitsu.com>
Date:	Fri, 19 Feb 2010 16:24:53 +0900
From:	Jin Dongming <jin.dongming@...css.fujitsu.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"Moore, Robert" <robert.moore@...el.com>,
	Len Brown <lenb@...nel.org>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Shaohua Li <shaohua.li@...el.com>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Oliver Neukum <oliver@...kum.org>,
	Matthew Garrett <mjg@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Gary Hade <garyhade@...ibm.com>
Subject: Re: [PATCH 4/8] ACPI: Use GPE reference counting to support shared
 GPEs

Hi, Rafael J. Wysocki

Rafael J. Wysocki wrote:
> On Thursday 18 February 2010, Jin Dongming wrote:
>> Hi, Rafael J. Wysocki
>>> -	/* Update enable mask, but don't enable the HW GPE as of yet */
>>> -
>>> -	status = acpi_ev_enable_gpe(gpe_event_info, FALSE);
> 
> You could preserve some more context.
> 
>> I think the above line code should be remained. If it is deleted, the exception 
>> event will be raised on some machine.
> 
> Why would it?  The GPE is still disabled at the hardware level at this point.
> 
> Rafael
> 
> 
I am very sorry for my wrong comment. The GPE is still disabled as you wrote.

The error message what I got was not caused by GPE event, it was caused by the "status"
variable which had not been deleted on x86-next tree. And it is also deleted at this
file. So I don't there is problem here.

Best regards,
Jin Dongming

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