commit 4c86231c14a8a1e9838dcb013ded07ebd2f2a1a5
author Vineet Gupta <vgupta@synopsys.com> Fri Dec 12 10:05:03 2014 +0530
committer Vineet Gupta <vgupta@synopsys.com> Mon Feb 02 17:08:37 2015 +0530
tree 014cfaa92fb7f5450b8f55a0051a66ffe513a55d
parent 26bc420b59a38e4e6685a73345a0def461136dce

ARC: fix /proc/cpuinfo for offline cpus

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

arch/arc/kernel/setup.c

diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index 252bf60..900f68a 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -412,6 +412,11 @@
 	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 @@
 
 	free_page((unsigned long)str);
 done:
-	seq_printf(m, "\n\n");
+	seq_printf(m, "\n");
 
 	return 0;
 }