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

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Date:	Tue, 18 Mar 2008 01:37:46 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Ravikiran Thirumalai" <kiran@...lemp.com>,
	"Ingo Molnar" <mingo@...e.hu>, "Glauber Costa" <gcosta@...hat.com>,
	"Thomas Gleixner" <tglx@...utronix.de>
Cc:	"Linux Kernel ML" <linux-kernel@...r.kernel.org>
Subject: Fwd: + x86-vsmp-build-fixes.patch added to -mm tree

add akpm


---------- Forwarded message ----------
From: Yinghai Lu <yhlu.kernel@...il.com>
Date: Tue, Mar 18, 2008 at 1:25 AM
Subject: Re: + x86-vsmp-build-fixes.patch added to -mm tree
To: Ravikiran Thirumalai <kiran@...lemp.com>
Cc: linux-kernel@...r.kernel.org, mm-commits@...r.kernel.org,
gcosta@...hat.com, mingo@...e.hu, tglx@...utronix.de


On Tue, Mar 18, 2008 at 12:28 AM, Ravikiran Thirumalai
 <kiran@...lemp.com> wrote:
 > 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.
 >
 suggest you change vsmp_64.c still depend to CONFIG_VSMP, and add some
 inline function in some header file.
 sth like attach patch

 YH

View attachment "vsmp_init.patch" of type "text/x-patch" (1637 bytes)