From: Alexander Gordeev <agordeev@linux.ibm.com>
Date: Wed, 11 Mar 2020 14:18:05 +0100
Subject: s390/cpuinfo: show processor physical address
Git-commit: 42d211a1ae3b77008d4190b7dc79ad29b48bbcd2
Patch-mainline: v5.7-rc1
References: git-fixes

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>
[ ptesarik: cpuinfo hunk removed, because SLE15-SP1 does not have
  commit fb83510295d7a6cdeb46242515c3180f9adafc85 ]
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 arch/s390/include/asm/smp.h |    1 +
 arch/s390/kernel/smp.c      |    5 +++++
 2 files changed, 6 insertions(+)

--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -35,6 +35,7 @@ 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);
 
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -699,6 +699,11 @@ 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;