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Subject[PATCH v15 1/3] /proc/pid/status: Add support for architecture specific output
Date
The architecture specific information of the running processes could
be useful to the userland. Add support to examine process architecture
specific information externally.

Signed-off-by: Aubrey Li <aubrey.li@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Linux API <linux-api@vger.kernel.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
fs/proc/array.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 2edbb657f859..87bc7e882d35 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -96,6 +96,11 @@
#include <asm/processor.h>
#include "internal.h"

+/* Add support for architecture specific output in /proc/pid/status */
+#ifndef arch_proc_pid_status
+#define arch_proc_pid_status(m, task)
+#endif
+
void proc_task_name(struct seq_file *m, struct task_struct *p, bool escape)
{
char *buf;
@@ -424,6 +429,7 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
task_cpus_allowed(m, task);
cpuset_task_status_allowed(m, task);
task_context_switch_counts(m, task);
+ arch_proc_pid_status(m, task);
return 0;
}

--
2.21.0
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