From: Prarit Bhargava <prarit@redhat.com>
Date: Tue, 15 Jul 2008 16:25:21 -0400
Subject: [x86] show apicid in /proc/cpuinfo
Message-id: 20080715202443.11554.76571.sendpatchset@prarit.bos.redhat.com
O-Subject: [RHEL5 PATCH]: show apicid in /proc/cpuinfo
Bugzilla: 455424
RH-Acked-by: Brian Maly <bmaly@redhat.com>
RH-Acked-by: Chuck Ebbert <cebbert@redhat.com>

Backport of 282bfe21cf0e2af9eac052c89bcc0a5ace80352f

    x86: show apicid for cpu in proc

    Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>

Successfully tested by me.

Resolves BZ 455424.

diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c
index 01a4f4e..fa4ad05 100644
--- a/arch/i386/kernel/cpu/proc.c
+++ b/arch/i386/kernel/cpu/proc.c
@@ -117,6 +117,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_printf(m, "siblings\t: %d\n", cpus_weight(cpu_core_map[n]));
 		seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
 		seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
+		seq_printf(m, "apicid\t\t: %d\n", c->apicid);
 	}
 #endif
 	
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index afef71b..98b9b25 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -1304,6 +1304,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		seq_printf(m, "siblings\t: %d\n", cpus_weight(cpu_core_map[cpu]));
 		seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
 		seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
+		seq_printf(m, "apicid\t\t: %d\n", c->apicid);
 	}
 #endif