Messages in this thread | | | Date | Fri, 23 Aug 2013 15:30:50 -0500 | From | Russ Anderson <> | Subject | Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier. |
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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: > > > > BRK makes sense as long as you can set a sane O(1) size limit. > > > >> > >>put the acpi override table in BRK, we still need ok from HPA. > >>I have impression that he did not like it, so want to confirm from him. > > on 8 sockets system: > -rw-r--r-- 1 root root 3532 Aug 22 10:26 APIC.dat > -rw-r--r-- 1 root root 48 Aug 22 10:26 BDAT.dat > -rw-r--r-- 1 root root 824 Aug 22 10:26 DMAR.dat > -rw-r--r-- 1 root root 83509 Aug 22 10:26 DSDT.dat > -rw-r--r-- 1 root root 244 Aug 22 10:26 FACP.dat > -rw-r--r-- 1 root root 64 Aug 22 10:26 FACS.dat > -rw-r--r-- 1 root root 68 Aug 22 10:26 FPDT.dat > -rw-r--r-- 1 root root 56 Aug 22 10:26 HPET.dat > -rw-r--r-- 1 root root 304 Aug 22 10:26 MCEJ.dat > -rw-r--r-- 1 root root 60 Aug 22 10:26 MCFG.dat > -rw-r--r-- 1 root root 6712 Aug 22 10:26 MPST.dat > -rw-r--r-- 1 root root 232 Aug 22 10:26 MSCT.dat > -rw-r--r-- 1 root root 172 Aug 22 10:26 PCCT.dat > -rw-r--r-- 1 root root 96 Aug 22 10:26 PMCT.dat > -rw-r--r-- 1 root root 48 Aug 22 10:26 RASF.dat > -rw-r--r-- 1 root root 108 Aug 22 10:26 SLIT.dat > -rw-r--r-- 1 root root 80 Aug 22 10:26 SPCR.dat > -rw-r--r-- 1 root root 65 Aug 22 10:26 SPMI.dat > -rw-r--r-- 1 root root 6448 Aug 22 10:26 SRAT.dat > -rw-r--r-- 1 root root 100 Aug 22 10:26 SSDT1.dat > -rw-r--r-- 1 root root 283527 Aug 22 10:26 SSDT2.dat > -rw-r--r-- 1 root root 66 Aug 22 10:26 UEFI.dat > -rw-r--r-- 1 root root 64 Aug 22 10:26 WDDT.dat > > assume for 32sockets will have four times bigger with DSDT and SSDT. > (with more pci and cpus) > > So we can not have O(1) the size. > > 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)
-- Russ Anderson, OS RAS/Partitioning Project Lead SGI - Silicon Graphics Inc rja@sgi.com
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