From: Russ Anderson <rja@sgi.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
Zhang Yanfei <zhangyanfei.yes@gmail.com>,
Toshi Kani <toshi.kani@hp.com>, Tejun Heo <tj@kernel.org>,
Tang Chen <tangchen@cn.fujitsu.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Bob Moore <robert.moore@intel.com>, Lv Zheng <lv.zheng@intel.com>,
"Rafael J. Wysocki" <rjw@sisk.pl>, Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Renninger <trenn@suse.de>,
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
Mel Gorman <mgorman@suse.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier.
Date: Fri, 23 Aug 2013 21:41:05 -0500 [thread overview]
Message-ID: <20130824024105.GB29600@sgi.com> (raw)
In-Reply-To: <CAE9FiQVxQtpHp+0b1zFaA4YHx6hDiNSHKDveU=FzS5LwR80RmA@mail.gmail.com>
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 255 socket, 4080 cpu, 15TB system.
-------------------------------------------------------
-rw-r--r-- 1 root root 65392 Aug 23 21:23 apic.dat
-rw-r--r-- 1 root root 316 Aug 23 21:23 dmar.dat
-rw-r--r-- 1 root root 8309249 Aug 23 21:23 dsdt.dat
-rw-r--r-- 1 root root 244 Aug 23 21:23 facp.dat
-rw-r--r-- 1 root root 64 Aug 23 21:23 facs.dat
-rw-r--r-- 1 root root 56 Aug 23 21:23 hpet.dat
-rw-r--r-- 1 root root 4172 Aug 23 21:23 mcfg.dat
-rw-r--r-- 1 root root 36 Aug 23 21:23 rsdp.dat
-rw-r--r-- 1 root root 80 Aug 23 21:23 rsdt.dat
-rw-r--r-- 1 root root 65069 Aug 23 21:23 slit.dat
-rw-r--r-- 1 root root 80 Aug 23 21:23 spcr.dat
-rw-r--r-- 1 root root 108168 Aug 23 21:23 srat.dat
-rw-r--r-- 1 root root 21330 Aug 23 21:23 ssdt.dat
-rw-r--r-- 1 root root 92 Aug 23 21:23 uefi1.dat
-rw-r--r-- 1 root root 298 Aug 23 21:23 uefi.dat
-rw-r--r-- 1 root root 124 Aug 23 21:23 xsdt.dat
-------------------------------------------------------
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@sgi.com
prev parent reply other threads:[~2013-08-24 2:41 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-21 10:15 [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier Tang Chen
2013-08-21 10:15 ` [PATCH 1/8] x86: Make get_ramdisk_{image|size}() global Tang Chen
2013-08-21 10:15 ` [PATCH 2/8] x86, microcode: Use get_ramdisk_{image|size}() in microcode handling Tang Chen
2013-08-21 10:15 ` [PATCH 3/8] x86, acpi: Move table_sigs[] to stack Tang Chen
2013-08-21 10:15 ` [PATCH 4/8] x86, acpi, brk: Extend BRK 256KB to store acpi override tables Tang Chen
2013-08-21 10:15 ` [PATCH 5/8] x86, brk: Make extend_brk() available with va/pa Tang Chen
2013-08-21 12:26 ` Konrad Rzeszutek Wilk
2013-08-21 12:35 ` H. Peter Anvin
2013-08-21 14:42 ` Konrad Rzeszutek Wilk
2013-08-21 15:04 ` H. Peter Anvin
2013-08-21 10:15 ` [PATCH 6/8] x86, acpi: Make acpi_initrd_override() available with va or pa Tang Chen
2013-08-21 10:15 ` [PATCH 7/8] x86, acpi, brk: Make early_alloc_acpi_override_tables_buf() available with va/pa Tang Chen
2013-08-21 10:15 ` [PATCH 8/8] x86, acpi: Do acpi_initrd_override() earlier in head_32.S/head64.c Tang Chen
2013-08-21 10:42 ` [PATCH 0/8] x86, acpi: Move acpi_initrd_override() earlier Tang Chen
2013-08-21 13:06 ` Tejun Heo
2013-08-21 15:00 ` Zhang Yanfei
2013-08-21 15:36 ` Tejun Heo
2013-08-21 19:31 ` Toshi Kani
2013-08-21 19:54 ` Tejun Heo
2013-08-21 20:29 ` Toshi Kani
2013-08-21 20:40 ` Tejun Heo
2013-08-21 22:36 ` Toshi Kani
2013-08-22 3:32 ` Tejun Heo
2013-08-22 15:52 ` Toshi Kani
2013-08-22 18:31 ` Tejun Heo
2013-08-22 19:39 ` Zhang Yanfei
2013-08-22 19:45 ` Tejun Heo
2013-08-22 20:11 ` Toshi Kani
2013-08-22 20:21 ` Tejun Heo
2013-08-22 20:35 ` Tejun Heo
2013-08-22 21:06 ` Toshi Kani
2013-08-22 21:21 ` Tejun Heo
2013-08-22 22:17 ` Toshi Kani
2013-08-23 13:04 ` Tejun Heo
2013-08-23 13:08 ` H. Peter Anvin
2013-08-23 14:19 ` Tejun Heo
2013-08-23 14:24 ` H. Peter Anvin
2013-08-23 14:35 ` Tejun Heo
2013-08-23 14:57 ` Tejun Heo
2013-08-23 16:14 ` Toshi Kani
2013-08-23 16:24 ` Tejun Heo
2013-08-23 17:13 ` Toshi Kani
2013-08-23 17:29 ` Zhang Yanfei
2013-08-23 16:54 ` Zhang Yanfei
2013-08-23 18:29 ` Toshi Kani
[not found] ` <CAE9FiQXZ610BrVaXoxY70NS3CaSku7mcVFx+x34-jpYUkG2rdQ@mail.gmail.com>
[not found] ` <201308231825.r7NIPQl5015165@mail.zytor.com>
2013-08-23 20:08 ` Yinghai Lu
2013-08-23 20:30 ` Russ Anderson
2013-08-23 20:48 ` Yinghai Lu
2013-08-23 21:50 ` chen tang
2013-08-23 21:52 ` Moore, Robert
2013-08-23 22:05 ` Yinghai Lu
2013-08-23 22:08 ` Yinghai Lu
2013-08-23 22:40 ` chen tang
2013-08-23 23:04 ` Yinghai Lu
2013-08-24 2:41 ` Russ Anderson [this message]
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