Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in | KernelTrap

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in

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From: Greg KH <gregkh@...>

To: Arjan van de Ven <arjan@...>

Cc: Matthew Wilcox <matthew@...>, Greg KH <greg@...>, <linux-kernel@...>, Jeff Garzik <jeff@...>, Linus Torvalds <torvalds@...>, <linux-pci@...>, Benjamin Herrenschmidt <benh@...>, Martin Mares <mj@...>

Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in

Date: Friday, January 11, 2008 - 3:45 pm

On Fri, Jan 11, 2008 at 11:40:02AM -0800, Arjan van de Ven wrote:

quoted text

> On Fri, 11 Jan 2008 12:28:20 -0700
> Matthew Wilcox wrote:
>
> > On Fri, Jan 11, 2008 at 11:02:29AM -0800, Greg KH wrote:
> > > Can you send me a follow-on patch that documents this in
> > > Documentation/ABI please.
> >
> > Greg, if you integrate Ivan's patch, you don't need Arjan's patch.
> >
>
> Personally I absolutely don't agree with that.
> Ivan's patch is another attempt to make MMCONFIG work somewhat better,
> but does not provide the explicit opt-in that I think is required at
> this point; people have tried to get MMCONFIG stable for a really long time,
> and failed still upto today. At least my patience is up and this needs
> to be opt-in.

I think I agree with Arjan here, Ivan's patch should also work on top of
this one, and will help out some machines.

But as he hasn't asked for it to be included in the kernel tree, that's
a moot point right now :)

thanks,

greg k-h
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Messages in current thread:

[Patch v2] Make PCI extended config space (MMCONFIG) a drive..., Arjan van de Ven, (Tue Dec 25, 7:26 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Jeff Garzik, (Thu Dec 27, 7:52 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Thu Dec 27, 1:52 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Thu Dec 27, 10:09 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Øyvind Vågen Jægtnes, (Tue Jan 15, 8:58 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Fri Jan 11, 3:02 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Fri Jan 11, 3:28 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Fri Jan 11, 3:40 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Fri Jan 11, 3:45 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Fri Jan 11, 3:49 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Fri Jan 11, 3:58 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Fri Jan 11, 4:17 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Fri Jan 11, 4:27 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Fri Jan 11, 4:42 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Fri Jan 11, 5:12 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Fri Jan 11, 5:17 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Fri Jan 11, 5:28 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Fri Jan 11, 5:38 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Ivan Kokshaysky, (Fri Jan 11, 7:58 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Fri Jan 11, 8:26 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Ivan Kokshaysky, (Sat Jan 12, 10:40 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sat Jan 12, 1:45 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Loic Prylli, (Sun Jan 13, 2:23 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sun Jan 13, 2:41 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Loic Prylli, (Sun Jan 13, 4:51 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Sun Jan 13, 4:43 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Loic Prylli, (Sun Jan 13, 5:18 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Ivan Kokshaysky, (Sat Jan 12, 5:49 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sat Jan 12, 7:01 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Sat Jan 12, 8:12 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sat Jan 12, 8:40 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Sat Jan 12, 9:36 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sun Jan 13, 12:42 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Sun Jan 13, 8:43 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sun Jan 13, 1:03 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Sun Jan 13, 5:28 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Alan Cox, (Sun Jan 13, 8:54 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Mon Jan 14, 1:20 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sun Jan 13, 9:33 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Sun Jan 13, 11:29 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Mon Jan 14, 1:05 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Mon Jan 14, 9:01 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Mon Jan 14, 10:46 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Mon Jan 14, 11:23 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Mon Jan 14, 12:01 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Mon Jan 14, 12:08 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Alan Cox, (Mon Jan 14, 5:11 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Sun Jan 13, 12:47 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Jeff Garzik, (Sun Jan 13, 2:43 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Sat Jan 12, 2:17 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sat Jan 12, 11:46 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Ivan Kokshaysky, (Sat Jan 12, 12:23 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Benjamin Herrenschmidt, (Sun Jan 13, 3:08 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Sun Jan 13, 3:24 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Sun Jan 13, 1:01 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Mon Jan 14, 6:52 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Adrian Bunk, (Mon Jan 14, 7:04 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Loic Prylli, (Tue Jan 15, 12:00 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Tue Jan 15, 1:46 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Tue Jan 15, 1:56 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Grant Grundler, (Sat Jan 19, 12:58 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Mon Jan 28, 2:32 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Mon Jan 28, 4:44 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Mon Jan 28, 11:05 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Mon Jan 28, 11:18 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Tue Jan 29, 9:19 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Jesse Barnes, (Thu Jan 31, 1:51 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Tue Jan 29, 11:45 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Ivan Kokshaysky, (Wed Jan 30, 11:15 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Wed Jan 30, 11:42 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Ivan Kokshaysky, (Wed Jan 30, 4:14 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Tue Jan 29, 10:15 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Tue Jan 29, 10:47 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Tue Jan 29, 11:15 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Tue Jan 29, 11:29 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Tue Jan 29, 7:57 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Tue Jan 29, 10:30 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Tue Jan 29, 12:26 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Mon Jan 28, 6:31 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Mon Jan 28, 6:53 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Mon Jan 28, 10:56 pm)

[PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Mon Jan 28, 11:03 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Sun Feb 3, 3:30 am)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Tony Camuso, (Thu Feb 7, 11:54 am)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Sat Feb 9, 8:41 am)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Sun Feb 10, 2:25 am)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Greg KH, (Sun Feb 10, 3:21 am)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Sun Feb 10, 10:51 am)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Sun Feb 10, 4:16 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Linus Torvalds, (Sun Feb 10, 4:24 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Sun Feb 10, 4:45 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Sun Feb 10, 9:49 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Andrew Morton, (Mon Feb 11, 6:10 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Ingo Molnar, (Mon Feb 11, 6:38 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Robert Hancock, (Sun Feb 10, 10:53 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Mon Feb 11, 1:59 am)

raw_pci_read in quirk_intel_irqbalance, Matthew Wilcox, (Sun Feb 10, 7:02 pm)

Re: raw_pci_read in quirk_intel_irqbalance, Matthew Wilcox, (Mon Feb 11, 1:04 am)

Re: raw_pci_read in quirk_intel_irqbalance, Grant Grundler, (Mon Feb 11, 3:49 am)

Re: raw_pci_read in quirk_intel_irqbalance, Matthew Wilcox, (Mon Feb 11, 12:15 pm)

Re: raw_pci_read in quirk_intel_irqbalance, Linus Torvalds, (Mon Feb 11, 1:18 pm)

Re: raw_pci_read in quirk_intel_irqbalance, Grant Grundler, (Mon Feb 11, 3:38 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Sun Feb 10, 4:19 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Sun Feb 10, 4:25 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Sun Feb 10, 4:32 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Yinghai Lu, (Sun Feb 10, 4:47 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Grant Grundler, (Sun Feb 10, 3:13 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Matthew Wilcox, (Sun Feb 10, 3:37 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Arjan van de Ven, (Thu Feb 7, 12:28 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Tony Camuso, (Thu Feb 7, 12:36 pm)

Re: [PATCH] Change pci_raw_ops to pci_raw_read/write, Grant Grundler, (Thu Feb 7, 10:28 pm)

PCI x86: always use conf1 to access config space below 256 b..., Matthew Wilcox, (Mon Jan 28, 10:57 pm)

Re: PCI x86: always use conf1 to access config space below 2..., Greg KH, (Tue Jan 29, 9:21 am)

Re: PCI x86: always use conf1 to access config space below 2..., Matthew Wilcox, (Tue Jan 29, 7:43 pm)

Re: PCI x86: always use conf1 to access config space below 2..., Linus Torvalds, (Tue Jan 29, 8:04 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Tony Camuso, (Tue Jan 15, 3:27 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Linus Torvalds, (Tue Jan 15, 3:38 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Loic Prylli, (Tue Jan 15, 6:12 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Tue Jan 15, 3:40 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Matthew Wilcox, (Sun Jan 13, 3:58 am)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Jesse Barnes, (Fri Jan 11, 8:17 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Fri Jan 11, 3:54 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Fri Jan 11, 4:55 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Arjan van de Ven, (Fri Jan 11, 3:09 pm)

Re: [Patch v2] Make PCI extended config space (MMCONFIG) a d..., Greg KH, (Fri Jan 11, 3:14 pm)

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