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From: Yinghai <yinghai.lu@oracle.com>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Andy Isaacson <adi@hexapodia.org>,
	"R. Andrew Bailey" <bailey@akamai.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	guenter.roeck@ericsson.com,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Thomas Renninger <trenn@suse.de>,
	yaneti@declera.com
Subject: Re: [PATCH] x86/PCI: never allocate PCI MMIO resources below    BIOS_END
Date: Wed, 28 Apr 2010 12:10:34 -0700	[thread overview]
Message-ID: <4BD8882A.6050307@oracle.com> (raw)
In-Reply-To: <201004281306.05648.bjorn.helgaas@hp.com>

On 04/28/2010 12:06 PM, Bjorn Helgaas wrote:
> On Wednesday 28 April 2010 11:14:45 am Yinghai Lu wrote:
>> Never mind, for 2.6.34 your patch should be good enough.
> 
> Uh, OK.
> 
> I'm not trying to be a nuisance, but if there's a machine where
> we think there's a bridge window like [mem 0xfed20000-0xffffffff],
> I want to fix it, even if you think it's "good enough for 2.6.34."
> 
> I was hoping you could specifically confirm that "yes, that AMD
> machine was fixed by d558b483d5a," or else give me some more
> information that would help me figure out what's going on.


[    0.000000]  BIOS-e820: 0000000000000100 - 0000000000098c00 (usable)
[    0.000000]  BIOS-e820: 0000000000098c00 - 00000000000a0000 (reserved)
[    0.000000]  BIOS-e820: 00000000000e6000 - 0000000000100000 (reserved)
[    0.000000]  BIOS-e820: 0000000000100000 - 00000000d7fa0000 (usable)
[    0.000000]  BIOS-e820: 00000000d7fae000 - 00000000d7fb0000 (reserved)
[    0.000000]  BIOS-e820: 00000000d7fb0000 - 00000000d7fbe000 (ACPI data)
[    0.000000]  BIOS-e820: 00000000d7fbe000 - 00000000d7ff0000 (ACPI NVS)
[    0.000000]  BIOS-e820: 00000000d7ff0000 - 00000000f0000000 (reserved)
[    0.000000]  BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved)
[    0.000000]  BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
[    0.000000]  BIOS-e820: 00000000ff700000 - 0000000100000000 (reserved)
[    0.000000]  BIOS-e820: 0000000100000000 - 0000008028000000 (usable)

[    6.960006] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    6.984225] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-06])
[    7.023528] pci_root PNP0A03:00: host bridge window [io  0x0000-0x03af]
[    7.024014] pci_root PNP0A03:00: host bridge window [io  0x03b0-0x03bb]
[    7.028005] pci_root PNP0A03:00: host bridge window [io  0x03bc-0x03bf]
[    7.032005] pci_root PNP0A03:00: host bridge window [io  0x03c0-0x03df]
[    7.036005] pci_root PNP0A03:00: host bridge window [io  0x03e0-0xefff]
[    7.040011] pci_root PNP0A03:00: host bridge window [mem 0xd8000000-0xe7ffffff]
[    7.044005] pci_root PNP0A03:00: host bridge window [mem 0xf0000000-0xfe9fffff]
[    7.048005] pci_root PNP0A03:00: host bridge window [mem 0xfec00000-0xfed0ffff]
[    7.052005] pci_root PNP0A03:00: host bridge window [mem 0x000a0000-0x000bffff]
[    7.056011] pci_root PNP0A03:00: host bridge window [mem 0xfed20000-0xffffffff]


d7ff0000-efffffff : reserved
  d8000000-e7ffffff : PCI Bus 0000:00
    d8000000-dfffffff : GART
  e8000000-efffffff : PCI Bus 0000:80
fec00000-fed0ffff : PCI Bus 0000:00
  fec00000-fec00fff : reserved
    fec00000-fec003ff : IOAPIC 0
  fed00000-fed003ff : HPET 0
fed10000-fed1ffff : PCI Bus 0000:80
fed20000-ffffffff : PCI Bus 0000:00
  fee00000-fee00fff : Local APIC
    fee00000-fee00fff : reserved
  fefff000-feffffff : pnp 00:0a
  ff700000-ffffffff : reserved
    ffb80000-fffffffe : pnp 00:06


  reply	other threads:[~2010-04-28 19:13 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-26 23:02 [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END H. Peter Anvin
2010-04-26 23:25 ` Jesse Barnes
2010-04-26 23:49   ` H. Peter Anvin
2010-04-26 23:49   ` H. Peter Anvin
2010-04-27  0:05     ` Jesse Barnes
2010-04-27  1:27       ` Linus Torvalds
2010-04-27  1:40         ` Jesse Barnes
2010-04-27  1:41         ` Yinghai
2010-04-27 15:11           ` Bjorn Helgaas
2010-04-28 16:07             ` Bjorn Helgaas
2010-04-28 17:14               ` Yinghai Lu
2010-04-28 19:06                 ` Bjorn Helgaas
2010-04-28 19:10                   ` Yinghai [this message]
2010-04-28 19:23                     ` Bjorn Helgaas
  -- strict thread matches above, loose matches on Subject: below --
2010-04-27  2:02 H. Peter Anvin
2010-04-13 21:42 [PATCH -v2 1/2] x86: Reserve [0xa0000, 0x100000] in e820 map Yinghai
2010-04-21  5:33 ` [PATCH -v4 1/3] " Yinghai
2010-04-21 19:31   ` Andy Isaacson
2010-04-23 23:05     ` [PATCH] x86/PCI: never allocate PCI MMIO resources below BIOS_END Bjorn Helgaas
2010-04-23 23:44       ` H. Peter Anvin
2010-04-24  0:36         ` Yinghai Lu
2010-04-26 12:50       ` R. Andrew Bailey
2010-04-26 15:40         ` Bjorn Helgaas
2010-04-26 18:34       ` Andy Isaacson
2010-04-26 19:31         ` Jesse Barnes
2010-04-26 20:27           ` Bjorn Helgaas
2010-04-26 20:37             ` Jesse Barnes
2010-04-26 21:07               ` Yinghai
2010-04-26 21:19                 ` H. Peter Anvin
2010-04-26 21:12               ` H. Peter Anvin
2010-04-26 21:25                 ` Jesse Barnes
2010-04-26 21:44                   ` H. Peter Anvin
2010-04-26 21:53                     ` Jesse Barnes
2010-04-26 21:59                   ` Yinghai Lu
2010-04-26 21:44                 ` jacob pan

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