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authorVineet Gupta <vgupta@synopsys.com>2014-12-12 10:05:03 +0530
committerVineet Gupta <vgupta@synopsys.com>2015-02-02 17:08:37 +0530
commit4c86231c14a8a1e9838dcb013ded07ebd2f2a1a5 (patch)
tree014cfaa92fb7f5450b8f55a0051a66ffe513a55d /arch/arc
parent26bc420b59a38e4e6685a73345a0def461136dce (diff)
downloadkernel-4c86231c14a8a1e9838dcb013ded07ebd2f2a1a5.tar.gz
ARC: fix /proc/cpuinfo for offline cpus
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/kernel/setup.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 252bf603db9c..900f68a70088 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -412,6 +412,11 @@ static int show_cpuinfo(struct seq_file *m, void *v)
char *str;
int cpu_id = ptr_to_cpu(v);
+ if (!cpu_online(cpu_id)) {
+ seq_printf(m, "processor [%d]\t: Offline\n", cpu_id);
+ goto done;
+ }
+
str = (char *)__get_free_page(GFP_TEMPORARY);
if (!str)
goto done;
@@ -429,7 +434,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
free_page((unsigned long)str);
done:
- seq_printf(m, "\n\n");
+ seq_printf(m, "\n");
return 0;
}