[PATCH] x86_64: disable interrupts during SMP bogomips checking

Port over a i386 kludge from rusty to x86-64

I don't think it is a full solution, but the upcomming smp bootup rewrite
will solve it.

This fixes BUGs at bootup on bigger x86-64 systems.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index afd3600..e571409 100644 (file)
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -304,8 +304,6 @@ static void __init smp_callin(void)
        Dprintk("CALLIN, before setup_local_APIC().\n");
        setup_local_APIC();
 
-       local_irq_enable();
-
        /*
         * Get our bogomips.
         */
@@ -319,8 +317,6 @@ static void __init smp_callin(void)
         */
        smp_store_cpu_info(cpuid);
 
-       local_irq_disable();
-
        /*
         * Allow the master to continue.
         */