From d963cd95bea93b7db9390a71d1e2cabbb3b2c3ea Mon Sep 17 00:00:00 2001 From: "Chen, Gong" Date: Wed, 11 Jun 2014 14:02:20 -0700 Subject: RAS, debugfs: Add debugfs interface for RAS subsystem Implement a new debugfs interface for RAS susbsystem. A file named daemon_active is added there accordingly. This file is used to track if user space daemon accesses perf/trace interface or not. One can track which daemon opens it via "lsof /path/to/debugfs/ras/daemon_active". Signed-off-by: Chen, Gong Link: http://lkml.kernel.org/r/1402475691-30045-5-git-send-email-gong.chen@linux.intel.com Signed-off-by: Borislav Petkov Signed-off-by: Tony Luck --- include/linux/ras.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 include/linux/ras.h (limited to 'include/linux/ras.h') diff --git a/include/linux/ras.h b/include/linux/ras.h new file mode 100644 index 000000000000..2aceeafd6fe5 --- /dev/null +++ b/include/linux/ras.h @@ -0,0 +1,14 @@ +#ifndef __RAS_H__ +#define __RAS_H__ + +#ifdef CONFIG_DEBUG_FS +int ras_userspace_consumers(void); +void ras_debugfs_init(void); +int ras_add_daemon_trace(void); +#else +static inline int ras_userspace_consumers(void) { return 0; } +static inline void ras_debugfs_init(void) { return; } +static inline int ras_add_daemon_trace(void) { return 0; } +#endif + +#endif -- cgit v1.2.3-59-g8ed1b