linux-kernel - [PATCH] x86: APIC: Make apic

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Date:	Mon, 14 Jul 2008 18:44:51 +0100 (BST)
From:	"Maciej W. Rozycki" <macro@...ux-mips.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] x86: APIC: Make apic_verbosity unsigned

 As a microoptimisation, make apic_verbosity unsigned.  This will make
apic_printk(APIC_QUIET, ...) expand into just printk(...) with the
surrounding condition and a reference to apic_verbosity removed.

Signed-off-by: Maciej W. Rozycki <macro@...ux-mips.org>
---
patch-next-2.6.26-rc9-20080711-apic-verbosity-unsigned-2
diff -up --recursive --new-file linux-next-2.6.26-rc9-20080711.macro/arch/x86/kernel/apic_32.c linux-next-2.6.26-rc9-20080711/arch/x86/kernel/apic_32.c
--- linux-next-2.6.26-rc9-20080711.macro/arch/x86/kernel/apic_32.c	2008-07-11 15:56:32.000000000 +0000
+++ linux-next-2.6.26-rc9-20080711/arch/x86/kernel/apic_32.c	2008-07-14 17:02:46.000000000 +0000
@@ -75,7 +75,7 @@ char system_vectors[NR_VECTORS] = { [0 .
 /*
  * Debug level, exported for io_apic.c
  */
-int apic_verbosity;
+unsigned int apic_verbosity;
 
 int pic_mode;
 
diff -up --recursive --new-file linux-next-2.6.26-rc9-20080711.macro/arch/x86/kernel/apic_64.c linux-next-2.6.26-rc9-20080711/arch/x86/kernel/apic_64.c
--- linux-next-2.6.26-rc9-20080711.macro/arch/x86/kernel/apic_64.c	2008-07-09 18:01:12.000000000 +0000
+++ linux-next-2.6.26-rc9-20080711/arch/x86/kernel/apic_64.c	2008-07-14 17:02:56.000000000 +0000
@@ -54,7 +54,7 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok
 /*
  * Debug level, exported for io_apic.c
  */
-int apic_verbosity;
+unsigned int apic_verbosity;
 
 /* Have we found an MP table */
 int smp_found_config;
diff -up --recursive --new-file linux-next-2.6.26-rc9-20080711.macro/include/asm-x86/apic.h linux-next-2.6.26-rc9-20080711/include/asm-x86/apic.h
--- linux-next-2.6.26-rc9-20080711.macro/include/asm-x86/apic.h	2008-07-11 15:51:56.000000000 +0000
+++ linux-next-2.6.26-rc9-20080711/include/asm-x86/apic.h	2008-07-14 17:03:21.000000000 +0000
@@ -35,7 +35,7 @@ extern void generic_apic_probe(void);
 
 #ifdef CONFIG_X86_LOCAL_APIC
 
-extern int apic_verbosity;
+extern unsigned int apic_verbosity;
 extern int local_apic_timer_c2_ok;
 
 extern int ioapic_force;
--
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