Messages in this thread | | | Date | Mon, 18 Feb 2008 19:59:48 -0800 | From | "Yinghai Lu" <> | Subject | Re: [PATCH 4/5] x86_64: check msr to get mmconfig for amd family 10h opteron v3 |
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On Feb 15, 2008 1:31 AM, Yinghai Lu <Yinghai.Lu@sun.com> wrote: > From: Yinghai Lu <Yinghai.Lu@Sun.COM> > > so even booting kernel with acpi=off or even MCFG is not there, we still can > use MMCONFIG. > > Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@elte.hu> > Cc: Andi Kleen <ak@suse.de> > Cc: Greg KH <greg@kroah.com> > Cc: "H. Peter Anvin" <hpa@zytor.com> > Signed-off-by: Andrew Morton <akpm@linux-foundation.org> > --- > > arch/x86/pci/mmconfig-shared.c | 67 ++++++++++++++++++++++++++++--- > 1 file changed, 61 insertions(+), 6 deletions(-) > > Index: linux-2.6/arch/x86/pci/mmconfig-shared.c > =================================================================== > --- linux-2.6.orig/arch/x86/pci/mmconfig-shared.c > +++ linux-2.6/arch/x86/pci/mmconfig-shared.c
Ingo/Thomas,
It seems you missed this one in the 5.
this one should be safe. it only reads msr.
Andi had concern with other one that was touching msr. I will keep that one in my local tree.
YH
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