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

[Yinghai Lu]

On Tue, Mar 18, 2008 at 12:28 AM, Ravikiran Thirumalai
<kiran@xxxxxxxxxxx> wrote:
> On Mon, Mar 17, 2008 at 10:26:55PM -0700, Yinghai Lu wrote:
>  >On Mon, Mar 17, 2008 at 10:14 PM,  <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>  >> ...
>
> >>  Subject: x86: vsmp build fixes
>  >>  From: Glauber Costa <gcosta@xxxxxxxxxx>
>  >>
>  >>  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.

oh, you mean PARAVIRT is defined, but VSMP is not used ?

then that patch is OK, but it is some ugly... or you can split that file?

>
>  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.
>
that is funny, i just extracted is_vsmp_box from vsmp_init...

YH
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