linux-kernel - [tip:x86/cleanups] x86: Clean up idt_descr and idt_tableby using NR

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Date:	Fri, 10 Jul 2009 12:00:36 GMT
From:	tip-bot for Cyrill Gorcunov <gorcunov@...nvz.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	yinghai@...nel.org, gorcunov@...nvz.org, tglx@...utronix.de,
	mingo@...e.hu
Subject: [tip:x86/cleanups] x86: Clean up idt_descr and idt_tableby using NR_VECTORS instead of hardcoded number

Commit-ID:  9ff80942992cd5abd0779c815f310f65b7b83860
Gitweb:     http://git.kernel.org/tip/9ff80942992cd5abd0779c815f310f65b7b83860
Author:     Cyrill Gorcunov <gorcunov@...nvz.org>
AuthorDate: Wed, 8 Jul 2009 22:03:53 +0400
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 10 Jul 2009 13:57:13 +0200

x86: Clean up idt_descr and idt_tableby using NR_VECTORS instead of hardcoded number

Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>
Cc: Yinghai Lu <yinghai@...nel.org>
LKML-Reference: <20090708180353.GH5301@...ovo>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 arch/x86/kernel/cpu/common.c |    2 +-
 arch/x86/kernel/traps.c      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index f1961c0..d6f27c9 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -982,7 +982,7 @@ static __init int setup_disablecpuid(char *arg)
 __setup("clearcpuid=", setup_disablecpuid);
 
 #ifdef CONFIG_X86_64
-struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
+struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table };
 
 DEFINE_PER_CPU_FIRST(union irq_stack_union,
 		     irq_stack_union) __aligned(PAGE_SIZE);
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 5204332..7e4b1f5 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -76,7 +76,7 @@ char ignore_fpu_irq;
  * F0 0F bug workaround.. We have a special link segment
  * for this.
  */
-gate_desc idt_table[256]
+gate_desc idt_table[NR_VECTORS]
 	__attribute__((__section__(".data.idt"))) = { { { { 0, 0 } } }, };
 #endif
 
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