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Re: [rfc] hw resource debugging checks

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To: Ingo Molnar <mingo@...>
Cc: Rafael J. Wysocki <rjw@...>, Yinghai Lu <yinghai.lu@...>, Andrew Morton <akpm@...>, LKML <linux-kernel@...>, Pavel Machek <pavel@...>, Thomas Gleixner <tglx@...>, H. Anvin <hpa@...>, Arjan van de Ven <arjan@...>, Greg Kroah-Hartman <gregkh@...>
Date: Sunday, April 13, 2008 - 5:39 am

Ingo Molnar <mingo@elte.hu> writes:

This whole problem just shows that it was a mistake in the first place
to try to redo the BIOS work in Linux. If BIOS doesn't supply MCFG
Linux trying to create one (or in general having generalized resource
allocation) is just a big mess and will cause endless problems.  The
standard resource code is just not up to the task and it needs very
intimate knowledge of the hardware that the kernel shouldn't have.

Again the real fix I think is to just drop all that code in git-x86
again and finally fix LinuxBIOS to do its job properly and pass a
proper MCFG (or just forget about using mmconfig with LinuxBIOS - it
is not that Type1 suddently doesn't work anymore). Then this code
wouldn't be needed at all

-Andi
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Messages in current thread:
x86 git tree broken, Rafael J. Wysocki, (Thu Apr 10, 3:59 pm)
Re: x86 git tree broken, Ingo Molnar, (Thu Apr 10, 4:51 pm)
Re: x86 git tree broken, Rafael J. Wysocki, (Thu Apr 10, 6:27 pm)
Re: x86 git tree broken, Ingo Molnar, (Fri Apr 11, 2:43 am)
Re: x86 git tree broken, Ingo Molnar, (Thu Apr 10, 4:13 pm)
Re: x86 git tree broken, Rafael J. Wysocki, (Thu Apr 10, 4:25 pm)
Re: x86 git tree broken, Ingo Molnar, (Thu Apr 10, 4:29 pm)
Re: x86 git tree broken, Ingo Molnar, (Thu Apr 10, 4:38 pm)
Re: x86 git tree broken, Rafael J. Wysocki, (Thu Apr 10, 6:28 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Fri Apr 11, 3:26 pm)
Re: [rfc] hw resource debugging checks (was: Re: x86 git tre..., Arjan van de Ven, (Sun Apr 13, 11:48 am)
Re: [rfc] hw resource debugging checks, Andi Kleen, (Sun Apr 13, 5:39 am)
Re: [rfc] hw resource debugging checks, Yinghai Lu, (Sun Apr 13, 2:19 pm)
Re: [rfc] hw resource debugging checks, Andi Kleen, (Sun Apr 13, 2:29 pm)
Re: [rfc] hw resource debugging checks, Yinghai Lu, (Sun Apr 13, 3:29 pm)
Re: [rfc] hw resource debugging checks, Arjan van de Ven, (Sun Apr 13, 11:52 pm)
Re: [rfc] hw resource debugging checks, Yinghai Lu, (Mon Apr 14, 1:01 am)
Re: [rfc] hw resource debugging checks, Arjan van de Ven, (Mon Apr 14, 10:12 am)
Re: [rfc] hw resource debugging checks, Yinghai Lu, (Mon Apr 14, 2:11 pm)
Re: [rfc] hw resource debugging checks, Arjan van de Ven, (Sun Apr 13, 1:53 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Fri Apr 11, 4:26 pm)
Re: x86 git tree broken (bisected), Ingo Molnar, (Sun Apr 13, 3:51 am)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 3:59 am)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Fri Apr 11, 4:51 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 4:24 am)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 12:12 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 6:00 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 6:10 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 6:32 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 8:19 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 9:42 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Mon Apr 14, 4:21 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Mon Apr 14, 5:06 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Mon Apr 14, 5:09 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Mon Apr 14, 5:36 pm)
Re: x86 git tree broken (bisected), Ingo Molnar, (Mon Apr 14, 5:16 am)
Re: x86 git tree broken (bisected), Yinghai Lu, (Mon Apr 14, 2:08 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 7:41 pm)
Re: x86 git tree broken (bisected), H. Peter Anvin, (Sun Apr 13, 7:45 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 8:09 pm)
Re: x86 git tree broken (bisected), H. Peter Anvin, (Sun Apr 13, 8:12 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 2:07 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 2:47 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 2:54 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 2:53 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Sun Apr 13, 4:41 am)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Sun Apr 13, 12:14 pm)
Re: x86 git tree broken (bisected), Ingo Molnar, (Mon Apr 14, 5:02 am)
Re: x86 git tree broken (bisected), Yinghai Lu, (Fri Apr 11, 5:11 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Fri Apr 11, 5:21 pm)
Re: x86 git tree broken (bisected), Yinghai Lu, (Fri Apr 11, 5:31 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Fri Apr 11, 4:23 pm)
Re: x86 git tree broken (bisected), Rafael J. Wysocki, (Fri Apr 11, 4:29 pm)
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