From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753500AbZELV6x (ORCPT ); Tue, 12 May 2009 17:58:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752426AbZELV6o (ORCPT ); Tue, 12 May 2009 17:58:44 -0400 Received: from relay1.sgi.com ([192.48.179.29]:46211 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751271AbZELV6n (ORCPT ); Tue, 12 May 2009 17:58:43 -0400 Date: Tue, 12 May 2009 16:58:38 -0500 From: Jack Steiner To: Yinghai Lu Cc: David Rientjes , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Andrew Morton , Andi Kleen , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 3/3] x86: fix node_possible_map logic -v2 Message-ID: <20090512215838.GA24411@sgi.com> References: <20090511175312.GA27905@sgi.com> <4A0894A5.9000209@zytor.com> <20090512150622.GA10015@sgi.com> <86802c440905120810x6ea4b228t14ca19376dc13f13@mail.gmail.com> <20090512161605.GB19747@sgi.com> <86802c440905120940r3d3261dap9d1843a9c832b582@mail.gmail.com> <20090512180349.GA1479@sgi.com> <86802c440905121431q682e8924l427a5257da01c370@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86802c440905121431q682e8924l427a5257da01c370@mail.gmail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > x2apic related? No. > > can you disable x2apic in kernel? Yes - We have a BIOS option to allow us to boot either in legacy apic mode OR in x2apic mode. Both behave the same... <6>Initializing cgroup subsys cpuset <6>Initializing cgroup subsys cpu <5>Linux version 2.6.30-rc5-next-20090512-medusa (steiner@alcatraz.americas.sgi.com) (gcc version 4.2.4) #7 SMP Tue May 12 16:54:27 CDT 2009 <6>Command line: root=/dev/hda2 init=/bin/bash console=ttyS0,38400n8 fprom lpj=10000 nohpet loglevel=8 iommu=off dma32_size=4096 <6>KERNEL supported cpus: <6> Intel GenuineIntel <6> AMD AuthenticAMD <6> Centaur CentaurHauls <6>BIOS-provided physical RAM map: <6> BIOS-e820: 0000000000000000 - 0000000000006000 (usable) <6> BIOS-e820: 0000000000006000 - 0000000000200000 (reserved) <6> BIOS-e820: 0000000000200000 - 0000000010000000 (usable) <6> BIOS-e820: 0000000080000000 - 0000000090000000 (reserved) <6> BIOS-e820: 00000000f0000000 - 00000000fc000000 (reserved) <6> BIOS-e820: 00000000fed1c000 - 00000000fed20000 (reserved) <6> BIOS-e820: 00000000fff60000 - 00000000fff6c000 (reserved) <6> BIOS-e820: 00000fe000000000 - 00000fe018000000 (reserved) <6>EFI v1.00 by SGI <6> ACPI 2.0=0xe0200 UVsystab=0xe08c0 <6>EFI: mem00: type=7, attr=0x8, range=[0x0000000000000000-0x0000000000006000) (0MB) <6>EFI: mem01: type=5, attr=0x8000000000001000, range=[0x0000000000006000-0x00000000000b0000) (0MB) <6>EFI: mem02: type=6, attr=0x8000000000000008, range=[0x00000000000b0000-0x0000000000200000) (1MB) <6>EFI: mem03: type=7, attr=0x8, range=[0x0000000000200000-0x0000000010000000) (254MB) <6>EFI: mem04: type=6, attr=0x8000000000000001, range=[0x0000000080000000-0x0000000090000000) (256MB) <6>EFI: mem05: type=6, attr=0x8000000000000001, range=[0x00000000f0000000-0x00000000fc000000) (192MB) <6>EFI: mem06: type=6, attr=0x8000000000000001, range=[0x00000000fed1c000-0x00000000fed20000) (0MB) <6>EFI: mem07: type=6, attr=0x8000000000000001, range=[0x00000000fff60000-0x00000000fff6c000) (0MB) <6>EFI: mem08: type=11, attr=0x8000000000000001, range=[0x00000fe000000000-0x00000fe018000000) (384MB) <6>DMI not present or invalid. <6>last_pfn = 0x10000 max_arch_pfn = 0x100000000 <7>MTRR default type: write-back <7>MTRR fixed ranges enabled: <7> 00000-FFFFF write-back <7>MTRR variable ranges enabled: <7> 0 base 0 F0000000 mask FFF F0000000 uncachable <7> 1 base E0 00000000 mask FF0 00000000 uncachable <7> 2 base F0 00000000 mask FF0 00000000 uncachable <7> 3 base F00 00000000 mask FF0000000000 uncachable <7> 4 disabled <7> 5 disabled <7> 6 disabled <7> 7 disabled <6>x86 PAT enabled: cpu 0, old 0x606060606060606, new 0x7010600070106 <6>init_memory_mapping: 0000000000000000-0000000010000000 <7> 0000000000 - 0010000000 page 2M <7>kernel direct mapping tables up to 10000000 @ 93a000-93c000 <4>ACPI: RSDP 00000000000e0200 00024 (v02 ) <4>ACPI: XSDT 00000000000e0240 00054 (v01 SGI UVL 00010001 FPRM 00000001) <4>ACPI: APIC 00000000000e02e0 00074 (v01 SGI UVL 00010001 FPRM 00000001) <4>ACPI: SRAT 00000000000e0380 00078 (v01 SGI UVL 00010001 FPRM 00000001) <4>ACPI: SLIT 00000000000e05e0 00030 (v01 SGI UVL 00010001 FPRM 00000001) <4>ACPI: MCFG 00000000000e0640 0004C (v01 SGI UVL 00010001 FPRM 00000001) <4>ACPI: FACP 00000000000e06a0 000F4 (v03 SGI UVL 00030001 FPRM 00000001) <4>ACPI: DSDT 00000000000e02a0 00030 (v01 SGI UVL 00010001 FPRM 00000001) <4>ACPI: FACS 00000000000e07a0 00040 <4>ACPI: DMAR 00000000000e0860 0004C (v01 SGI UVL 00010001 FPRM 00000001) <7>ACPI: Local APIC address 0xfee00000 <6>SRAT: PXM 0 -> APIC 0 -> Node 0 <6>SRAT: PXM 1 -> APIC 128 -> Node 1 <6>SRAT: Node 1 PXM 1 0-fff6c000 <7>NUMA: Using 63 for the hash shift. <6>Bootmem setup node 1 0000000000000000-0000000010000000 <6> NODE_DATA [0000000000939a80 - 000000000096da7f] <6> bootmap [000000000096e000 - 000000000096ffff] pages 2 <6>(7 early reservations) ==> bootmem [0000000000 - 0010000000] <6> #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] <6> #1 [0000006000 - 0000008000] TRAMPOLINE ==> [0000006000 - 0000008000] <6> #2 [0000200000 - 0000939a5c] TEXT DATA BSS ==> [0000200000 - 0000939a5c] <6> #3 [000009f000 - 00000e0900] BIOS reserved ==> [000009f000 - 00000e0900] <6> #4 [00000e0a68 - 0000100000] BIOS reserved ==> [00000e0a68 - 0000100000] <6> #5 [00000e0900 - 00000e0a68] EFI memmap ==> [00000e0900 - 00000e0a68] <6> #6 [0000001000 - 0000001030] ACPI SLIT ==> [0000001000 - 0000001030] <7> [ffffe20000000000-ffffe200003fffff] PMD -> [ffff880001200000-ffff8800015fffff] on node 1 <4>Zone PFN ranges: <4> DMA 0x00000000 -> 0x00001000 <4> DMA32 0x00001000 -> 0x00100000 <4> Normal 0x00100000 -> 0x00100000 <4>Movable zone start PFN for each node <4>early_node_map[2] active PFN ranges <4> 1: 0x00000000 -> 0x00000006 <4> 1: 0x00000200 -> 0x00010000 <7>On node 1 totalpages: 65030 <7> DMA zone: 56 pages used for memmap <7> DMA zone: 1948 pages reserved <7> DMA zone: 1586 pages, LIFO batch:0 <7> DMA32 zone: 840 pages used for memmap <7> DMA32 zone: 60600 pages, LIFO batch:15 <6>ACPI: PM-Timer IO Port: 0x1008 <7>ACPI: Local APIC address 0xfee00000 <6>ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled) <6>ACPI: LAPIC (acpi_id[0x01] lapic_id[0x80] enabled) <6>ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) <6>ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) <6>ACPI: IOAPIC (id[0x08] address[0xfec00000] gsi_base[0]) <6>IOAPIC[0]: apic_id 8, version 0, address 0xfec00000, GSI 0-23 <6>ACPI: IOAPIC (id[0x09] address[0xfec80000] gsi_base[24]) <6>IOAPIC[1]: apic_id 9, version 0, address 0xfec80000, GSI 24-24 <6>ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 high edge) <6>ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <7>ACPI: IRQ0 used by override. <7>ACPI: IRQ2 used by override. <7>ACPI: IRQ9 used by override. <6>Using ACPI (MADT) for SMP configuration information <6>SMP: Allowing 2 CPUs, 0 hotplug CPUs <6>init_cpu_to_node: <6>cpu 0 -> apicid 0x0 -> node 1 <6>cpu 1 -> apicid 0x80 -> node 1 <7>nr_irqs_gsi: 25 <6>PM: Registered nosave memory: 0000000000006000 - 0000000000200000 <6>Allocating PCI resources starting at 18000000 (gap: 10000000:70000000) <6>NR_CPUS:4096 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 <6>PERCPU: Embedded 26 pages at ffff880001005000, static data 76384 bytes <4> [] early_idt_handler+0x5e/0x71 <4> [] ? build_zonelists_node+0x2f/0x70 <4> [] ? __node_distance+0x59/0x70 <4> [] __build_all_zonelists+0x1ae/0x55a <4> [] build_all_zonelists+0x1b5/0x264 <4> [] start_kernel+0x17a/0x3c5 <4> [] ? early_idt_handler+0x0/0x71 <4> [] x86_64_start_reservations+0xae/0xb2 <4> [] x86_64_start_kernel+0x152/0x161 <4>RIP build_zonelists_node+0x2f/0x70