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authorIngo Molnar <mingo@elte.hu>2008-07-06 14:23:39 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-06 14:23:39 +0200
commit68083e05d72d94f347293d8cc0067050ba904bfa (patch)
tree842e71365bd90866be7add181661a4039d891564 /arch/x86/kernel/smpboot.c
parent7baac8b91f9871ba8cb09af84de4ae1d86d07812 (diff)
parentb7279469d66b55119784b8b9529c99c1955fe747 (diff)
downloadblackbird-op-linux-68083e05d72d94f347293d8cc0067050ba904bfa.tar.gz
blackbird-op-linux-68083e05d72d94f347293d8cc0067050ba904bfa.zip
Merge commit 'v2.6.26-rc9' into cpus4096
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 fff8ebaa554f..197300bfebd2 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.
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