diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/topology.h | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/sysinfo.c | 34 | ||||
| -rw-r--r-- | arch/s390/kernel/topology.c | 3 |
3 files changed, 36 insertions, 3 deletions
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 051107a2c5e..c5338834ddb 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -2,6 +2,7 @@ #define _ASM_S390_TOPOLOGY_H #include <linux/cpumask.h> +#include <asm/sysinfo.h> extern unsigned char cpu_core_id[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; @@ -32,6 +33,7 @@ static inline const struct cpumask *cpu_book_mask(unsigned int cpu) int topology_set_cpu_management(int fc); void topology_schedule_update(void); +void store_topology(struct sysinfo_15_1_x *info); #define POLARIZATION_UNKNWN (-1) #define POLARIZATION_HRZ (0) diff --git a/arch/s390/kernel/sysinfo.c b/arch/s390/kernel/sysinfo.c index a91274b4eb8..f04d93aa48e 100644 --- a/arch/s390/kernel/sysinfo.c +++ b/arch/s390/kernel/sysinfo.c @@ -15,6 +15,7 @@ #include <asm/ebcdic.h> #include <asm/sysinfo.h> #include <asm/cpcmd.h> +#include <asm/topology.h> /* Sigh, math-emu. Don't ask. */ #include <asm/sfp-util.h> @@ -84,6 +85,35 @@ static int stsi_1_1_1(struct sysinfo_1_1_1 *info, char *page, int len) return len; } +static int stsi_15_1_x(struct sysinfo_15_1_x *info, char *page, int len) +{ + static int max_mnest; + int i, rc; + + len += sprintf(page + len, "\n"); + if (!MACHINE_HAS_TOPOLOGY) + return len; + if (max_mnest) { + stsi(info, 15, 1, max_mnest); + } else { + for (max_mnest = 6; max_mnest > 1; max_mnest--) { + rc = stsi(info, 15, 1, max_mnest); + if (rc != -ENOSYS) + break; + } + } + len += sprintf(page + len, "CPU Topology HW: "); + for (i = 0; i < TOPOLOGY_NR_MAG; i++) + len += sprintf(page + len, " %d", info->mag[i]); + len += sprintf(page + len, "\n"); + store_topology(info); + len += sprintf(page + len, "CPU Topology SW: "); + for (i = 0; i < TOPOLOGY_NR_MAG; i++) + len += sprintf(page + len, " %d", info->mag[i]); + len += sprintf(page + len, "\n"); + return len; +} + static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len) { struct sysinfo_1_2_2_extension *ext; @@ -94,7 +124,6 @@ static int stsi_1_2_2(struct sysinfo_1_2_2 *info, char *page, int len) ext = (struct sysinfo_1_2_2_extension *) ((unsigned long) info + info->acc_offset); - len += sprintf(page + len, "\n"); len += sprintf(page + len, "CPUs Total: %d\n", info->cpus_total); len += sprintf(page + len, "CPUs Configured: %d\n", @@ -224,6 +253,9 @@ static int proc_read_sysinfo(char *page, char **start, len = stsi_1_1_1((struct sysinfo_1_1_1 *) info, page, len); if (level >= 1) + len = stsi_15_1_x((struct sysinfo_15_1_x *) info, page, len); + + if (level >= 1) len = stsi_1_2_2((struct sysinfo_1_2_2 *) info, page, len); if (level >= 2) diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index ffea01e6321..a9dee9048ee 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -18,7 +18,6 @@ #include <linux/cpuset.h> #include <asm/delay.h> #include <asm/s390_ext.h> -#include <asm/sysinfo.h> #define PTF_HORIZONTAL (0UL) #define PTF_VERTICAL (1UL) @@ -215,7 +214,7 @@ static void update_cpu_core_map(void) spin_unlock_irqrestore(&topology_lock, flags); } -static void store_topology(struct tl_info *info) +void store_topology(struct sysinfo_15_1_x *info) { #ifdef CONFIG_SCHED_BOOK int rc; |