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authorIngo Molnar <mingo@elte.hu>2008-07-07 08:07:35 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-07 08:07:35 +0200
commitd763d5edf945eec47bd443b699f174976f0afc13 (patch)
tree3e5cd46b9a783999716bf92176854f4f1215d930 /arch/x86/kernel/smpboot.c
parent790e2a290b499b0400254e6870ec27969065d122 (diff)
parent1b40a895df6c7d5a80e71f65674060b03d84bbef (diff)
Merge branch 'linus' into tracing/mmiotrace
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 38988491c62..3e1cecedde4 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -996,7 +996,6 @@ do_rest:
#endif
cpu_clear(cpu, cpu_callout_map); /* was set by do_boot_cpu() */
cpu_clear(cpu, cpu_initialized); /* was set by cpu_init() */
- cpu_clear(cpu, cpu_possible_map);
cpu_clear(cpu, cpu_present_map);
per_cpu(x86_cpu_to_apicid, cpu) = BAD_APICID;
}
@@ -1190,6 +1189,7 @@ static void __init smp_cpu_index_default(void)
*/
void __init native_smp_prepare_cpus(unsigned int max_cpus)
{
+ preempt_disable();
nmi_watchdog_default();
smp_cpu_index_default();
current_cpu_data = boot_cpu_data;
@@ -1206,7 +1206,7 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
if (smp_sanity_check(max_cpus) < 0) {
printk(KERN_INFO "SMP disabled\n");
disable_smp();
- return;
+ goto out;
}
preempt_disable();
@@ -1246,6 +1246,8 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
printk(KERN_INFO "CPU%d: ", 0);
print_cpu_info(&cpu_data(0));
setup_boot_clock();
+out:
+ preempt_enable();
}
/*
* Early setup to make printk work.