diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/intel_cacheinfo.c | 26 | ||||
| -rw-r--r-- | arch/x86/mm/numa.c | 6 | ||||
| -rw-r--r-- | arch/x86/platform/uv/uv_nmi.c | 25 |
3 files changed, 21 insertions, 36 deletions
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index c7035073dfc1..659643376dbf 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -952,20 +952,18 @@ static ssize_t show_size(struct _cpuid4_info *this_leaf, char *buf, static ssize_t show_shared_cpu_map_func(struct _cpuid4_info *this_leaf, int type, char *buf) { - ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf; - int n = 0; - - if (len > 1) { - const struct cpumask *mask; - - mask = to_cpumask(this_leaf->shared_cpu_map); - n = type ? - cpulist_scnprintf(buf, len-2, mask) : - cpumask_scnprintf(buf, len-2, mask); - buf[n++] = '\n'; - buf[n] = '\0'; - } - return n; + const struct cpumask *mask = to_cpumask(this_leaf->shared_cpu_map); + int ret; + + if (type) + ret = scnprintf(buf, PAGE_SIZE - 1, "%*pbl", + cpumask_pr_args(mask)); + else + ret = scnprintf(buf, PAGE_SIZE - 1, "%*pb", + cpumask_pr_args(mask)); + buf[ret++] = '\n'; + buf[ret] = '\0'; + return ret; } static inline ssize_t show_shared_cpu_map(struct _cpuid4_info *leaf, char *buf, diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 1a883705a12a..cd4785bbacb9 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -794,7 +794,6 @@ int early_cpu_to_node(int cpu) void debug_cpumask_set_cpu(int cpu, int node, bool enable) { struct cpumask *mask; - char buf[64]; if (node == NUMA_NO_NODE) { /* early_cpu_to_node() already emits a warning and trace */ @@ -812,10 +811,9 @@ void debug_cpumask_set_cpu(int cpu, int node, bool enable) else cpumask_clear_cpu(cpu, mask); - cpulist_scnprintf(buf, sizeof(buf), mask); - printk(KERN_DEBUG "%s cpu %d node %d: mask now %s\n", + printk(KERN_DEBUG "%s cpu %d node %d: mask now %*pbl\n", enable ? "numa_add_cpu" : "numa_remove_cpu", - cpu, node, buf); + cpu, node, cpumask_pr_args(mask)); return; } diff --git a/arch/x86/platform/uv/uv_nmi.c b/arch/x86/platform/uv/uv_nmi.c index c6b146e67116..7488cafab955 100644 --- a/arch/x86/platform/uv/uv_nmi.c +++ b/arch/x86/platform/uv/uv_nmi.c @@ -273,20 +273,6 @@ static inline void uv_clear_nmi(int cpu) } } -/* Print non-responding cpus */ -static void uv_nmi_nr_cpus_pr(char *fmt) -{ - static char cpu_list[1024]; - int len = sizeof(cpu_list); - int c = cpumask_weight(uv_nmi_cpu_mask); - int n = cpulist_scnprintf(cpu_list, len, uv_nmi_cpu_mask); - - if (n >= len-1) - strcpy(&cpu_list[len - 6], "...\n"); - - printk(fmt, c, cpu_list); -} - /* Ping non-responding cpus attemping to force them into the NMI handler */ static void uv_nmi_nr_cpus_ping(void) { @@ -371,16 +357,19 @@ static void uv_nmi_wait(int master) break; /* if not all made it in, send IPI NMI to them */ - uv_nmi_nr_cpus_pr(KERN_ALERT - "UV: Sending NMI IPI to %d non-responding CPUs: %s\n"); + pr_alert("UV: Sending NMI IPI to %d non-responding CPUs: %*pbl\n", + cpumask_weight(uv_nmi_cpu_mask), + cpumask_pr_args(uv_nmi_cpu_mask)); + uv_nmi_nr_cpus_ping(); /* if all cpus are in, then done */ if (!uv_nmi_wait_cpus(0)) break; - uv_nmi_nr_cpus_pr(KERN_ALERT - "UV: %d CPUs not in NMI loop: %s\n"); + pr_alert("UV: %d CPUs not in NMI loop: %*pbl\n", + cpumask_weight(uv_nmi_cpu_mask), + cpumask_pr_args(uv_nmi_cpu_mask)); } while (0); pr_alert("UV: %d of %d CPUs in NMI\n", |