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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

      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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