s390/cpuinfo: show processor physical address

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>

diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index b157a81..231a51e 100644 (file)
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -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);
 

diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 2c13ca5..b98654d 100644 (file)
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -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 */
 }
 

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index f87d4e1..edc1bf3 100644 (file)
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -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;