From 5524ea320d80e3ac6aeeec44216660831c76da08 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Tue, 11 Mar 2008 02:23:20 +0100 Subject: x86: don't set up early exception handlers for external interrupts All of early setup runs with interrupts disabled, so there is no need to set up early exception handlers for vectors >= 32 This saves some minor text size. Signed-off-by: Andi Kleen Cc: mingo@elte.hu Signed-off-by: Thomas Gleixner Signed-off-by: Ingo Molnar --- arch/x86/kernel/head64.c | 2 +- arch/x86/kernel/head_64.S | 6 ++---- 2 files changed, 3 insertions(+), 5 deletions(-) (limited to 'arch/x86') diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 48be76cda93..d6d54faa84d 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -127,7 +127,7 @@ void __init x86_64_start_kernel(char * real_mode_data) /* Cleanup the over mapped high alias */ cleanup_highmap(); - for (i = 0; i < IDT_ENTRIES; i++) { + for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) { #ifdef CONFIG_EARLY_PRINTK set_intr_gate(i, &early_idt_handlers[i]); #else diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 017216916df..2c0abe0e3c6 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -278,10 +278,8 @@ bad_address: .globl early_idt_handlers early_idt_handlers: - early_idt_tramp 0, 63 - early_idt_tramp 64, 127 - early_idt_tramp 128, 191 - early_idt_tramp 192, 255 + .set maxe, NUM_EXCEPTION_VECTORS-1 + early_idt_tramp 0, maxe #endif ENTRY(early_idt_handler) -- cgit v1.2.3