From: Alexander Gordeev 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 Reviewed-by: Heiko Carstens Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik [ ptesarik: cpuinfo hunk removed, because SLE15-SP2 does not have commit fb83510295d7a6cdeb46242515c3180f9adafc85 ] Acked-by: Petr Tesarik --- 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 @@ -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); --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -706,6 +706,11 @@ 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;