linux-kernel - Re: [PATCH 19/19] PM: Add empty suspend/resume device irq functions

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] [day] [month] [year] [list]

Message-ID: <20090612113619.GQ18682@elf.ucw.cz>
Date:	Fri, 12 Jun 2009 13:36:20 +0200
From:	Pavel Machek <pavel@....cz>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux PM List <linux-pm@...ts.linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Magnus Damm <damm@...l.co.jp>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Alan Stern <stern@...land.harvard.edu>,
	Sergio Luis <sergio@...ces.uece.br>,
	Lauro Salmito <laurosalmito@...il.com>,
	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	Ingo Molnar <mingo@...e.hu>,
	Nigel Cunningham <nigel@...onice.net>
Subject: Re: [PATCH 19/19] PM: Add empty suspend/resume device irq functions

On Fri 2009-06-12 13:32:18, Heiko Carstens wrote:
> On Fri, Jun 12, 2009 at 01:13:17PM +0200, Pavel Machek wrote:
> > On Thu 2009-06-11 22:42:09, Rafael J. Wysocki wrote:
> > > From: Heiko Carstens <heiko.carstens@...ibm.com>
> > > 
> > > git commit 0a0c5168 "PM: Introduce functions for suspending and resuming
> > > device interrupts" introduced some helper functions. However these
> > > functions are only available for architectures which support
> > > GENERIC_HARDIRQS.
> > 
> > I believe architectures that do not use GENERIC_HARDIRQs should just
> > provide the empty functions themselves.
> > 
> > If we want to help them, perhaps few attribute((weak)) functions in
> > the core are the way to go...
> 
> We can still do that when there actually is an architecture that doesn't
> support GENERIC_HARDIRQs _and_ needs non-empty functions.

Ok, I guess that makes sense.

Acked-by: Pavel Machek <pavel@....cz>
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
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/