linux-kernel - Re: [Bug #15124] PCI host bridge windows ignored (works with pci=use

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: <20100128082432.05a97ebc@jbarnes-piketon>
Date:	Thu, 28 Jan 2010 08:24:32 -0800
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	jeff@...rrett.org (Jeff Garrett)
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Yinghai Lu <yinghai@...nel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Linux PCI <linux-pci@...r.kernel.org>,
	Myron Stowe <myron.stowe@...com>,
	Matthew Garrett <mjg59@...f.ucam.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [Bug #15124] PCI host bridge windows ignored (works with
 pci=use_crs)

On Wed, 27 Jan 2010 22:02:26 -0600
jeff@...rrett.org (Jeff Garrett) wrote:

> On Wed, Jan 27, 2010 at 07:24:09PM -0800, Jesse Barnes wrote:
> > On Wed, 27 Jan 2010 17:50:17 -0800 (PST)
> > Linus Torvalds <torvalds@...ux-foundation.org> wrote:
> > > On Tue, 26 Jan 2010, Yinghai Lu wrote:
> > > > 
> > > > [PATCH] x86/pci: don't use ioh resource if only have one ioh
> > > 
> > > Please, no.
> > > 
> > > This patch is too ugly to live.
> > > 
> > > And it's totally unacceptable to probe every single possible PCI device 
> > > for something like this.
> > > 
> > > If we don't know enough about the hardware workings of those Intel bridges 
> > > to know when they are active and how they decode things, then please let's 
> > > just disable intel_bus.c entirely.
> > > 
> > > There's no excuse for hacky tests like this.
> > 
> > Ok, we'll just kill it entirely then.  I'll send a patch tomorrow
> > unless Yinghai beats me to it.
> 
> What about something like this (works for me, without pci=use_crs)?
> 
> ---
>     Remove intel_bus.c Intel-specific PCI/IOH logic
>     
>     Signed-off-by: Jeff Garrett <jeff@...rrett.org>

Yeah, looks good.  I'll push to Linus today.

Thanks,
Jesse

-- 
Jesse Barnes, Intel Open Source Technology Center
--
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/