RE: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.

Moore, Robert
2013-08-23T21:52:38Z

While we're at it:

Can someone send me the acpidump for this machine? We very much would like to test all of ACPICA with such a large DSDT.

Thanks,
Bob

> -----Original Message-----
> From: chen tang [mailto:imtangchen@gmail.com]
> Sent: Friday, August 23, 2013 2:51 PM
> To: Yinghai Lu
> Cc: Russ Anderson; H. Peter Anvin; Zhang Yanfei; Toshi Kani; Tejun Heo;
> Tang Chen; Konrad Rzeszutek Wilk; Moore, Robert; Zheng, Lv; Rafael J.
> Wysocki; Ingo Molnar; Andrew Morton; Thomas Renninger; Yasuaki Ishimatsu;
> Mel Gorman; Linux Kernel Mailing List
> Subject: Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.
>
> Hi Yinghai,
>
> 2013/8/24 Yinghai Lu <yinghai@kernel.org>:
> > On Fri, Aug 23, 2013 at 1:30 PM, Russ Anderson <rja@sgi.com> wrote:
> >> On Fri, Aug 23, 2013 at 01:08:56PM -0700, Yinghai Lu wrote:
> >>> On Fri, Aug 23, 2013 at 11:25 AM, H. Peter Anvin <hpa@zytor.com>
> wrote:
> >
> >>> Russ, What is ACPI table size on your big machine?
> >>
> >> This is from a 256 socket 32TB system.
> >>
> >> Reserving 256MB of memory at 66973408MB for crashkernel (System RAM:
> 32501719MB)
> >> ACPI: RSDP 000000007ef3d014 00024 (v02 INTEL )
> >> ACPI: XSDT 000000007ef3d120 0007C (v01 INTEL TIANO 00000000
> 01000013)
> >> ACPI: FACP 000000007ef3a000 000F4 (v04 INTEL TIANO 00000000 MSFT
> 01000013)
> >> ACPI: DSDT 000000007e6c3000 7F493E (v02 SGI2 UVX 00000002 MSFT
> 01000013)
> >> ACPI: FACS 000000007d147000 00040
> >> ACPI: UEFI 000000007ef3c000 0012A (v01 INTEL RstScuO 00000000
> 00000000)
> >> ACPI: UEFI 000000007ef3b000 0005C (v01 INTEL RstScuV 00000000
> 00000000)
> >> ACPI: HPET 000000007ef39000 00038 (v01 INTEL TIANO 00000001 MSFT
> 01000013)
> >> ACPI: SSDT 000000007ef33000 05352 (v02 INTEL ROSECITY 00000003 INTL
> 20070508)
> >> ACPI: SLIT 000000007ef10000 1002C (v01 SGI2 UVX 00000002 MSFT
> 00000001)
> >> ACPI: APIC 000000007eeee000 10070 (v03 SGI2 UVX 00000002 MSFT
> 00000001)
> >> ACPI: SRAT 000000007eeb8000 1A830 (v03 SGI2 UVX 00000002 MSFT
> 00000001)
> >> ACPI: MCFG 000000007d6d4000 0105C (v01 SGI2 UVX 00000002 MSFT
> 00000001)
> >> ACPI: SPCR 000000007e6c2000 00050 (v01 00000000
> 00000000)
> >> ACPI: DMAR 000000007d6d3000 0013C (v01 INTEL TIANO 00000001 MSFT
> 01000013)
> >>
> >
> > so the DSDT is 7F493E, and total is more than 8M.
> >
> > that will need BRK to be extended 16M?
> >
>
> Then how about use early_ioremap(), and don't do it that early in
> head_32 and head64 ?
>
> Thanks.