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| author | Anton Blanchard <anton@samba.org> | 2010-04-26 17:32:40 +0200 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-05-06 09:41:55 +0200 |
| commit | e6532c63cc3dbefc79936fc9c9c68a151004fe46 (patch) | |
| tree | 381fc75043bb595d76a9602ef470d13e466aa185 | |
| parent | powerpc/cpumask: Refactor /proc/cpuinfo code (diff) | |
| download | linux-e6532c63cc3dbefc79936fc9c9c68a151004fe46.tar.xz linux-e6532c63cc3dbefc79936fc9c9c68a151004fe46.zip | |
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>
| -rw-r--r-- | arch/powerpc/kernel/setup-common.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 58699a43eaa2..8dcec47a7b39 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); } |