Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756274Ab3HWUJA (ORCPT ); Fri, 23 Aug 2013 16:09:00 -0400 Received: from mail-oa0-f51.google.com ([209.85.219.51]:35299 "EHLO mail-oa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756174Ab3HWUI5 (ORCPT ); Fri, 23 Aug 2013 16:08:57 -0400 MIME-Version: 1.0 In-Reply-To: <201308231825.r7NIPQl5015165@mail.zytor.com> References: <20130821204041.GC2436@htj.dyndns.org> <1377124595.10300.594.camel@misato.fc.hp.com> <20130822033234.GA2413@htj.dyndns.org> <1377186729.10300.643.camel@misato.fc.hp.com> <20130822183130.GA3490@mtj.dyndns.org> <1377202292.10300.693.camel@misato.fc.hp.com> <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> Date: Fri, 23 Aug 2013 13:08:56 -0700 X-Google-Sender-Auth: cOmmjWQ454kwCQz-hcqMMJjXgbQ Message-ID: Subject: Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier. From: Yinghai Lu To: "H. Peter Anvin" , Russ Anderson Cc: 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 Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1947 Lines: 48 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? Thanks Yinghai -- 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/