linux-kernel - Re: + x86-vsmp-build-fixes.patch added to -mm tree

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Message-ID: <20080318072802.GH6091@localdomain>
Date:	Tue, 18 Mar 2008 00:28:02 -0700
From:	Ravikiran Thirumalai <kiran@...lemp.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
Cc:	linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
	gcosta@...hat.com, mingo@...e.hu, tglx@...utronix.de
Subject: Re: + x86-vsmp-build-fixes.patch added to -mm tree

On Mon, Mar 17, 2008 at 10:26:55PM -0700, Yinghai Lu wrote:
>On Mon, Mar 17, 2008 at 10:14 PM,  <akpm@...ux-foundation.org> wrote:
>> ...
>>  Subject: x86: vsmp build fixes
>>  From: Glauber Costa <gcosta@...hat.com>
>>
>>  VSMP depends on PCI, but the file is now compiled conditionally on PARAVIRT,
>>  no VSMP, so enclose everything in an ifdef CONFIG_PCI.

^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...
>
>in arch/x86/Kconfig
>
>config PCI
>        bool "PCI support" if !X86_VISWS && !X86_VSMP
>        depends on !X86_VOYAGER
>        default y
>        select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC)
>        help
>          Find out whether you have a PCI motherboard. PCI is the name of a
>          bus system, i.e. the way the CPU talks to the other stuff inside
>          your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>          VESA. If you have PCI, say Y, otherwise N.
>
>will make sure if X86_VSMP, the PCI=y
>
>so NAK this patch.
>

Not really, as you can tell from the description Glauber provided above.

Btw, I had something similar to this cooking for the build breakage, along
with a few more updates (is_vsmp_box() is broken on vsmp).  Thanks Glauber
for this patch.

Thanks,
Kiran
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