linux-kernel - [PATCH -tip] x86: apic/apic.c default_init_apic_ldr() is required only for X86

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Date:	Thu, 14 May 2009 14:19:12 +0530
From:	Jaswinder Singh Rajput <jaswinder@...nel.org>
To:	Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <yinghai@...nel.org>
Cc:	Ingo Molnar <mingo@...e.hu>, x86 maintainers <x86@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH -tip] x86: apic/apic.c default_init_apic_ldr() is required
 only for X86_32

On Thu, 2009-05-14 at 09:53 +0200, Thomas Gleixner wrote:
> On Thu, 14 May 2009, Jaswinder Singh Rajput wrote:
> > 
> > default_init_apic_ldr() is also required for 64 bit so moving it out
> > from CONFIG_X86_32.
> 
> [linux-2.6-tip]$ git grep default_init_apic_ldr arch/x86/
> arch/x86/include/asm/apic.h:extern void default_init_apic_ldr(void);
> arch/x86/kernel/apic/apic.c:void default_init_apic_ldr(void)
> arch/x86/kernel/apic/probe_32.c:        .init_apic_ldr                  = default_init_apic_ldr,
> 
> I have a hard time to see how 64bit requires that function.
> 

Here is new patch to make you easy :-)

[PATCH] x86: apic/apic.c default_init_apic_ldr() is required only for X86_32

default_init_apic_ldr() is used only by X86_32.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@...il.com>
---
 arch/x86/kernel/apic/apic.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index d6d4ffd..6ae5303 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1941,6 +1941,7 @@ int hard_smp_processor_id(void)
 	return read_apic_id();
 }
 
+#ifdef CONFIG_X86_32
 void default_init_apic_ldr(void)
 {
 	unsigned long val;
@@ -1951,7 +1952,6 @@ void default_init_apic_ldr(void)
 	apic_write(APIC_LDR, val);
 }
 
-#ifdef CONFIG_X86_32
 int default_apicid_to_node(int logical_apicid)
 {
 #ifdef CONFIG_SMP
-- 
1.6.0.6



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