linux-kernel - Re: [PATCH] PCI: Set device power state to PCI

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: <alpine.DEB.2.00.1110061711290.3519@kaball-desktop>
Date:	Thu, 6 Oct 2011 17:17:42 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	Ajaykumar Hotchandani <ajaykumar.hotchandani@...cle.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: Set device power state to PCI_D0 for device without
 native PM support

On Thu, 6 Oct 2011, Yinghai Lu wrote:
> On Thu, Oct 6, 2011 at 3:39 AM, Stefano Stabellini
> <stefano.stabellini@...citrix.com> wrote:
> >
> > I had the same issue and sent a patch a while ago to fix it, adding
> >
> > current_state = PCI_D0 in acpiphp_glue.c:register_slot
> >
> > it is strange that this does not work for you:
> >
> > http://marc.info/?l=linux-kernel&m=129891002722845&w=2
> 
> So guest os has to load acpiphp instead of pciehp?
 
maybe pciehp needs to make sure that current_state = D0 in
pciehp_enable_slot, like acpiphp does
--
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/