AuxXxilium/linux_dsm_epyc7002
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x86: allow user to impress friends.

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Impressing friends is a very important thing.
Do it in a separate function to make it even more
explicit, and ease integration.

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 14:25:27 -03:00 committed by Ingo Molnar
parent e1a14d0c13
commit 904541e2f7
2 changed files with 22 additions and 15 deletions
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20
arch/x86/kernel/smpboot.c
View File

@ -228,6 +228,26 @@ void __init smp_alloc_memory(void)
}
#endif
void impress_friends(void)
{
int cpu;
unsigned long bogosum = 0;
/*
* Allow the user to impress friends.
*/
Dprintk("Before bogomips.\n");
for_each_possible_cpu(cpu)
if (cpu_isset(cpu, cpu_callout_map))
bogosum += cpu_data(cpu).loops_per_jiffy;
printk(KERN_INFO
"Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
cpus_weight(cpu_present_map),
bogosum/(500000/HZ),
(bogosum/(5000/HZ))%100);
Dprintk("Before bogocount - setting activated=1.\n");
}
#ifdef CONFIG_HOTPLUG_CPU
void remove_siblinginfo(int cpu)
{

17
arch/x86/kernel/smpboot_32.c
View File

@ -790,13 +790,13 @@ static int __init smp_sanity_check(unsigned max_cpus)
return 0;
}
extern void impress_friends(void);
/*
* Cycle through the processors sending APIC IPIs to boot each.
*/
static void __init smp_boot_cpus(unsigned int max_cpus)
{
int apicid, cpu, bit, kicked;
unsigned long bogosum = 0;
/*
* Setup boot CPU information
@ -863,20 +863,7 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
*/
smpboot_restore_warm_reset_vector();
/*
* Allow the user to impress friends.
*/
Dprintk("Before bogomips.\n");
for_each_possible_cpu(cpu)
if (cpu_isset(cpu, cpu_callout_map))
bogosum += cpu_data(cpu).loops_per_jiffy;
printk(KERN_INFO
"Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
cpus_weight(cpu_present_map),
bogosum/(500000/HZ),
(bogosum/(5000/HZ))%100);
Dprintk("Before bogocount - setting activated=1.\n");
impress_friends();
if (smp_b_stepping)
printk(KERN_WARNING "WARNING: SMP operation may be unreliable with B stepping processors.\n");