Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756143Ab3HWUaz (ORCPT ); Fri, 23 Aug 2013 16:30:55 -0400 Received: from relay2.sgi.com ([192.48.179.30]:58136 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755161Ab3HWUay (ORCPT ); Fri, 23 Aug 2013 16:30:54 -0400 Date: Fri, 23 Aug 2013 15:30:50 -0500 From: Russ Anderson To: Yinghai Lu Cc: "H. Peter Anvin" , Zhang Yanfei , Toshi Kani , Tejun Heo , Tang Chen , Konrad Rzeszutek Wilk , Bob Moore , Lv Zheng , "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. Message-ID: <20130823203050.GB31817@sgi.com> Reply-To: Russ Anderson References: <20130822202158.GD3490@mtj.dyndns.org> <1377205598.10300.715.camel@misato.fc.hp.com> <20130822212111.GF3490@mtj.dyndns.org> <1377209861.10300.756.camel@misato.fc.hp.com> <20130823130440.GC10322@mtj.dyndns.org> <1377274448.10300.777.camel@misato.fc.hp.com> <521793BB.9080605@gmail.com> <201308231825.r7NIPQl5015165@mail.zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3418 Lines: 68 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 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/