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authorTejun Heo <tj@kernel.org>2015-02-13 14:37:09 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-13 21:21:37 -0800
commit839b268033c5d1316b2f8cf49184984e6f335fee (patch)
treed8b42b5dbfdab5922c422207a2eaad757ac4b6b1 /arch/tile/kernel
parent0c118b7bd09a1d11731ba80421a34ea1105c5b21 (diff)
downloadop-kernel-dev-839b268033c5d1316b2f8cf49184984e6f335fee.zip
op-kernel-dev-839b268033c5d1316b2f8cf49184984e6f335fee.tar.gz
tile: use %*pb[l] to print bitmaps including cpumasks and nodemasks
printk and friends can now format bitmaps using '%*pb[l]'. cpumask and nodemask also provide cpumask_pr_args() and nodemask_pr_args() respectively which can be used to generate the two printf arguments necessary to format the specified cpu/nodemask. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/tile/kernel')
-rw-r--r--arch/tile/kernel/hardwall.c5
-rw-r--r--arch/tile/kernel/proc.c5
-rw-r--r--arch/tile/kernel/setup.c13
3 files changed, 8 insertions, 15 deletions
diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c
index c4646bb..2fd1694 100644
--- a/arch/tile/kernel/hardwall.c
+++ b/arch/tile/kernel/hardwall.c
@@ -909,11 +909,8 @@ static void hardwall_destroy(struct hardwall_info *info)
static int hardwall_proc_show(struct seq_file *sf, void *v)
{
struct hardwall_info *info = sf->private;
- char buf[256];
- int rc = cpulist_scnprintf(buf, sizeof(buf), &info->cpumask);
- buf[rc++] = '\n';
- seq_write(sf, buf, rc);
+ seq_printf(sf, "%*pbl\n", cpumask_pr_args(&info->cpumask));
return 0;
}
diff --git a/arch/tile/kernel/proc.c b/arch/tile/kernel/proc.c
index 6829a95..7983e98 100644
--- a/arch/tile/kernel/proc.c
+++ b/arch/tile/kernel/proc.c
@@ -45,10 +45,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
int n = ptr_to_cpu(v);
if (n == 0) {
- char buf[NR_CPUS*5];
- cpulist_scnprintf(buf, sizeof(buf), cpu_online_mask);
seq_printf(m, "cpu count\t: %d\n", num_online_cpus());
- seq_printf(m, "cpu list\t: %s\n", buf);
+ seq_printf(m, "cpu list\t: %*pbl\n",
+ cpumask_pr_args(cpu_online_mask));
seq_printf(m, "model name\t: %s\n", chip_model);
seq_printf(m, "flags\t\t:\n"); /* nothing for now */
seq_printf(m, "cpu MHz\t\t: %llu.%06llu\n",
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index 864eea6..f1f5799 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -215,12 +215,11 @@ early_param("mem", setup_mem); /* compatibility with x86 */
static int __init setup_isolnodes(char *str)
{
- char buf[MAX_NUMNODES * 5];
if (str == NULL || nodelist_parse(str, isolnodes) != 0)
return -EINVAL;
- nodelist_scnprintf(buf, sizeof(buf), isolnodes);
- pr_info("Set isolnodes value to '%s'\n", buf);
+ pr_info("Set isolnodes value to '%*pbl'\n",
+ nodemask_pr_args(&isolnodes));
return 0;
}
early_param("isolnodes", setup_isolnodes);
@@ -1315,11 +1314,9 @@ early_param("disabled_cpus", disabled_cpus);
void __init print_disabled_cpus(void)
{
- if (!cpumask_empty(&disabled_map)) {
- char buf[100];
- cpulist_scnprintf(buf, sizeof(buf), &disabled_map);
- pr_info("CPUs not available for Linux: %s\n", buf);
- }
+ if (!cpumask_empty(&disabled_map))
+ pr_info("CPUs not available for Linux: %*pbl\n",
+ cpumask_pr_args(&disabled_map));
}
static void __init setup_cpu_maps(void)
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