linux-kernel - Re: [PATCH v3] PCI: Only enable IO window if supported

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]

Date:	Thu, 6 Aug 2015 18:12:29 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH v3] PCI: Only enable IO window if supported

On Thu, Aug 6, 2015 at 5:32 PM, Guenter Roeck <linux@...ck-us.net> wrote:
> Assuming case 1) includes case 3), root bridge does not support IO,
> I have both case 1 and 2.
>
> Anyway, I think I am giving up. Sorry, I just fail to understand the
> use case(s) you are trying to cover.
>
> Why don't you submit a patch, I'll test it if it works for my use
> case, and if it works we ask Bjorn to apply it. My problem is quite
> simple: I don't want to get flooded with useless "no IO window" messages.
> How it is solved doesn't matter to me, as long as it is solved.
> Since you have a strong opinion on how it should be solved, we should
> go with your solution and not keep turning in circles forever.

Please check attached patch and post boot log.

Thanks

Yinghai

View attachment "pci_root_bus_no_ioport.patch" of type "text/x-patch" (3291 bytes)