mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-05 18:39:59 +00:00
Code Issues Releases Wiki Activity

x86: do tests before do_boot_cpu in i386

Browse source 
Do tests before do_boot_cpu in native_cpu_up for i386.
Tests are a little bit broader than originally, and are the
same as x86_64. Test for smp_callin is not applicable right now
and is deferred.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber de Oliveira Costa 2008-03-19 14:25:15 -03:00 committed by Ingo Molnar
parent b675f11127
commit f915d7f46b
1 changed files with 13 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
arch/x86/kernel/smpboot_32.c
View file

@ -711,10 +711,6 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
int apicid, ret;
apicid = per_cpu(x86_cpu_to_apicid, cpu);
if (apicid == BAD_APICID) {
ret = -ENODEV;
goto exit;
}
info.complete = &done;
info.apicid = apicid;
@ -952,10 +948,22 @@ void __init native_smp_prepare_boot_cpu(void)
int __cpuinit native_cpu_up(unsigned int cpu)
{
int apicid = cpu_present_to_apicid(cpu);
unsigned long flags;
#ifdef CONFIG_HOTPLUG_CPU
int ret = 0;
WARN_ON(irqs_disabled());
Dprintk("++++++++++++++++++++=_---CPU UP %u\n", cpu);
if (apicid == BAD_APICID || apicid == boot_cpu_physical_apicid ||
!physid_isset(apicid, phys_cpu_present_map)) {
printk(KERN_ERR "%s: bad cpu %d\n", __func__, cpu);
return -EINVAL;
}
#ifdef CONFIG_HOTPLUG_CPU
/*
* We do warm boot only on cpus that had booted earlier
* Otherwise cold boot is all handled from smp_boot_cpus().