linux-kernel - Re: [PATCH v13 00/16] PCI: Fixup for 64bit resource with sparc

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]

Date:	Mon, 8 Aug 2016 14:49:21 -0500
From:	Bjorn Helgaas <helgaas@...nel.org>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	David Miller <davem@...emloft.net>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Wei Yang <weiyang@...ux.vnet.ibm.com>,
	Khalid Aziz <khalid.aziz@...cle.com>,
	linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v13 00/16] PCI: Fixup for 64bit resource with sparc

On Fri, Jun 17, 2016 at 07:24:45PM -0700, Yinghai Lu wrote:
> Hi Bjorn,
> 
> After 5b28541552ef (PCI: Restrict 64-bit prefetchable bridge windows
> to 64-bit resources), we have several reports on resource allocation
> failure, and we try to fix the problem with resource clip, and find
> more problems.
> 
> One is from sparc that have problem with clip as we don't parse
> mem64 for it.
> 
> This patchset try to fix the problem for sparc.
> 
> patch 1-3: try to fix the pci mmap for proc path for sparc, that will
> make fix for sparc 64bit resource offset handling much simple.
> 
> patch 4-11: parse MEM64 for sparc and other system with OF.
> So device 64bit resource could find their parent resource.
> 
> patch 12-15: MMIO64 handling enhancement
>         treat non-pref mmio64 if parent bridges are all pcie.
> 
> patch 16: restore old pref allocation logic if hostbridge does not support mmio64.
> 
> Khalid Aziz tested on some sparc platforms that have different offset to
> mem space start or support 64bit mmio.
> 
> -v13: update patchset with pci/resource that have pci_resource_to_user
>       changes. date 2016-06-17

Hi Yinghai,

Can you update these to apply to v4.8-rc1, and we can keep chipping
away at these?

Bjorn