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s390/cpuinfo: show processor physical address

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Show CPU physical address as reported by STAP instruction

Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Alexander Gordeev 2020-03-11 14:18:05 +01:00 committed by Vasily Gorbik
parent 31932757c6
commit 42d211a1ae
3 changed files with 7 additions and 0 deletions
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1
arch/s390/include/asm/smp.h
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@ -34,6 +34,7 @@ extern int smp_vcpu_scheduled(int cpu);
extern void smp_yield_cpu(int cpu);
extern void smp_cpu_set_polarization(int cpu, int val);
extern int smp_cpu_get_polarization(int cpu);
extern int smp_cpu_get_cpu_address(int cpu);
extern void smp_fill_possible_mask(void);
extern void smp_detect_cpus(void);

1
arch/s390/kernel/processor.c
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@ -159,6 +159,7 @@ static void show_cpu_topology(struct seq_file *m, unsigned long n)
seq_printf(m, "book id : %d\n", topology_book_id(n));
seq_printf(m, "drawer id : %d\n", topology_drawer_id(n));
seq_printf(m, "dedicated : %d\n", topology_cpu_dedicated(n));
seq_printf(m, "address : %d\n", smp_cpu_get_cpu_address(n));
#endif /* CONFIG_SCHED_TOPOLOGY */
}

5
arch/s390/kernel/smp.c
View file

@ -703,6 +703,11 @@ int smp_cpu_get_polarization(int cpu)
return pcpu_devices[cpu].polarization;
}
int smp_cpu_get_cpu_address(int cpu)
{
return pcpu_devices[cpu].address;
}
static void __ref smp_get_core_info(struct sclp_core_info *info, int early)
{
static int use_sigp_detection;