Date: Mon, 17 Dec 2007 00:03:01 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@elte.hu>, unlisted-recipients: no@elvis.elte.hu,
       To-header@elvis.elte.hu, on@elvis.elte.hu, "input <"@elvis.elte.hu,
       "; Rene Herman" <rene.herman@keyaccess.nl>,
       Paul Rolland <rol@as2917.net>, "H. Peter Anvin" <hpa@zytor.com>,
       Krzysztof Halasa <khc@pm.waw.pl>, Andi Kleen <andi@firstfloor.org>,
       linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
       Ingo Molnar <mingo@redhat.com>, rol@witbe.net
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	Cc:	;Rene Herman <rene.herman@keyaccess.nl>
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Illegal-Object: Syntax error in Cc: addresses found on vger.kernel.org:
	Cc:	;Rene Herman <rene.herman@keyaccess.nl>
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Subject: Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64
 with MCP51 laptops
Message-ID: <20071217000301.1c280daa@the-village.bc.nu>
In-Reply-To: <20071216212628.GF14265@elf.ucw.cz>
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On Sun, 16 Dec 2007 22:26:33 +0100
Pavel Machek <pavel@ucw.cz> wrote:

> On Fri 2007-12-14 15:33:28, Ingo Molnar wrote:
> > 
> > * Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> > 
> > > There is another reason we can't just do a dumb changeover - two 
> > > actually
> > > 
> > > #1: Some drivers are using inb_p/outb_p in PCI cases which are going 
> > > #to cause PCI posting changes. Most are probably just wrong in the 
> > > #first place but they need hand checking
> > 
> > hm, any intelligent way to force PCI posting? I guess not.
> > 
> > here's a list of candidate drivers (match the out*_p() pattern and do 
> > pci)
> > 
> > ./char/epca.c 
> > ./char/sonypi.c
> > ./scsi/megaraid.c
> > ./ide/pci/serverworks.c
> > ./ide/pci/cmd640.c
> > ./input/mouse/pc110pad.c

You are missing some watchdogs at least ?
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