lkml.org 
[lkml]   [2009]   [May]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 1/4] pci/x86: don't assume pref memio are 64bit -v4

* Jesse Barnes <jesse.barnes@intel.com> wrote:

> On Thu, 23 Apr 2009 20:48:32 -0700
> Yinghai Lu <yinghai@kernel.org> wrote:
>
> >
> > we should not assign 64bit range to pci device that only take 32bit
> > pref
> >
> > try to set IORESOURCE_MEM_64 in 64bit resource of
> > pci_device/pci_bridge and make the bus resource only have that bit
> > set when all device under that do support 64bit pref mem then use
> > that flag to allocate resource in wanted area
> >
> > v2: fix b_res->flags and logic and passing result.
> > v3: split iomem to iomem32, iomem64, and iomem64 will take
> > IORESOURCE_MEM_64 V4: according to Ivan
> > make it support x86 only, by PCIBIOS_MAX_MEM_32
> > double check if the bridge does support pref mem64 with
> > write/read UPPER32
> >
> > [Impact: do assign wrong range to device that doesn't support it]
>
> Thanks a lot Yinghai & Ivan, I applied 1 & 2 (the other 2 e820
> patches should go through Ingo), they're in my linux-next branch.

/me wakes up

Yinghai, mind resending those two, with Jesse's Ack included as
well?

Ingo


\
 
 \ /
  Last update: 2009-05-06 14:39    [from the cache]
©2003-2011 Jasper Spaans