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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <201002182101.44171.rjw@sisk.pl>
Date:	Thu, 18 Feb 2010 21:01:44 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jin Dongming <jin.dongming@...css.fujitsu.com>
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

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/