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authorAnton Blanchard <anton@samba.org>2010-04-26 15:32:40 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2010-05-06 17:41:55 +1000
commite6532c63cc3dbefc79936fc9c9c68a151004fe46 (patch)
tree381fc75043bb595d76a9602ef470d13e466aa185 /arch
parent2c2df038450cbf628426183c9efffc17cfea3406 (diff)
downloadop-kernel-dev-e6532c63cc3dbefc79936fc9c9c68a151004fe46.zip
op-kernel-dev-e6532c63cc3dbefc79936fc9c9c68a151004fe46.tar.gz
powerpc/cpumask: Convert /proc/cpuinfo to new cpumask API
Use new cpumask API in /proc/cpuinfo code. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/kernel/setup-common.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 58699a4..8dcec47 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -200,11 +200,6 @@ static int show_cpuinfo(struct seq_file *m, void *v)
unsigned short maj;
unsigned short min;
- if (cpu_id == NR_CPUS) {
- show_cpuinfo_summary(m);
- return 0;
- }
-
/* We only show online cpus: disable preempt (overzealous, I
* knew) to prevent cpu going down. */
preempt_disable();
@@ -312,19 +307,28 @@ static int show_cpuinfo(struct seq_file *m, void *v)
#endif
preempt_enable();
+
+ /* If this is the last cpu, print the summary */
+ if (cpumask_next(cpu_id, cpu_online_mask) >= nr_cpu_ids)
+ show_cpuinfo_summary(m);
+
return 0;
}
static void *c_start(struct seq_file *m, loff_t *pos)
{
- unsigned long i = *pos;
-
- return i <= NR_CPUS ? (void *)(i + 1) : NULL;
+ if (*pos == 0) /* just in case, cpu 0 is not the first */
+ *pos = cpumask_first(cpu_online_mask);
+ else
+ *pos = cpumask_next(*pos - 1, cpu_online_mask);
+ if ((*pos) < nr_cpu_ids)
+ return (void *)(unsigned long)(*pos + 1);
+ return NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
- ++*pos;
+ (*pos)++;
return c_start(m, pos);
}
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