linux-next/arch/x86/kernel/ds_selftest.h

/*
 * Debug Store support - selftest
 *
 *
 * Copyright (C) 2009 Intel Corporation.
 * Markus Metzger <markus.t.metzger@intel.com>, 2009
 */

#ifdef CONFIG_X86_DS_SELFTEST
extern int ds_selftest_bts(void);
extern int ds_selftest_pebs(void);
#else
static inline int ds_selftest_bts(void) { return 0; }
static inline int ds_selftest_pebs(void) { return 0; }
#endif
x86, bts: add selftest for BTS Perform a selftest of branch trace store when a cpu is initialized. WARN and disable branch trace store support if the selftest fails. Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> LKML-Reference: <20090313104507.A30125@sedona.ch.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 2009-03-13 17:45:07 +08:00			`/*`
			`* Debug Store support - selftest`
			`*`
			`*`
			`* Copyright (C) 2009 Intel Corporation.`
			`* Markus Metzger <markus.t.metzger@intel.com>, 2009`
			`*/`

			`#ifdef CONFIG_X86_DS_SELFTEST`
			`extern int ds_selftest_bts(void);`
			`extern int ds_selftest_pebs(void);`
			`#else`
			`static inline int ds_selftest_bts(void) { return 0; }`
			`static inline int ds_selftest_pebs(void) { return 0; }`
x86, bts: cleanups Impact: cleanup, no code changed Cc: Markus Metzger <markus.t.metzger@intel.com> LKML-Reference: <20090313104218.A30096@sedona.ch.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 2009-03-13 18:54:40 +08:00			`#endif`