arch: x86: Remove CONFIG_OPROFILE support

The "oprofile" user-space tools don't use the kernel OPROFILE support
any more, and haven't in a long time. User-space has been converted to
the perf interfaces.

Remove the old oprofile's architecture specific support.

Suggested-by: Christoph Hellwig <hch@infradead.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: William Cohen <wcohen@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 90 deletions

diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h
deleted file mode 100644
index 276cf79b5d24..000000000000
--- a/arch/x86/oprofile/op_x86_model.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/**
- * @file op_x86_model.h
- * interface to x86 model-specific MSR operations
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author Graydon Hoare
- * @author Robert Richter <robert.richter@amd.com>
- */
-
-#ifndef OP_X86_MODEL_H
-#define OP_X86_MODEL_H
-
-#include <asm/types.h>
-#include <asm/perf_event.h>
-
-struct op_msr {
-	unsigned long	addr;
-	u64		saved;
-};
-
-struct op_msrs {
-	struct op_msr *counters;
-	struct op_msr *controls;
-	struct op_msr *multiplex;
-};
-
-struct pt_regs;
-
-struct oprofile_operations;
-
-/* The model vtable abstracts the differences between
- * various x86 CPU models' perfctr support.
- */
-struct op_x86_model_spec {
-	unsigned int	num_counters;
-	unsigned int	num_controls;
-	unsigned int	num_virt_counters;
-	u64		reserved;
-	u16		event_mask;
-	int		(*init)(struct oprofile_operations *ops);
-	int		(*fill_in_addresses)(struct op_msrs * const msrs);
-	void		(*setup_ctrs)(struct op_x86_model_spec const *model,
-				      struct op_msrs const * const msrs);
-	int		(*check_ctrs)(struct pt_regs * const regs,
-				      struct op_msrs const * const msrs);
-	void		(*start)(struct op_msrs const * const msrs);
-	void		(*stop)(struct op_msrs const * const msrs);
-	void		(*shutdown)(struct op_msrs const * const msrs);
-#ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX
-	void		(*switch_ctrl)(struct op_x86_model_spec const *model,
-				       struct op_msrs const * const msrs);
-#endif
-};
-
-struct op_counter_config;
-
-static inline void op_x86_warn_in_use(int counter)
-{
-	/*
-	 * The warning indicates an already running counter. If
-	 * oprofile doesn't collect data, then try using a different
-	 * performance counter on your platform to monitor the desired
-	 * event. Delete counter #%d from the desired event by editing
-	 * the /usr/share/oprofile/%s/<cpu>/events file. If the event
-	 * cannot be monitored by any other counter, contact your
-	 * hardware or BIOS vendor.
-	 */
-	pr_warn("oprofile: counter #%d on cpu #%d may already be used\n",
-		counter, smp_processor_id());
-}
-
-static inline void op_x86_warn_reserved(int counter)
-{
-	pr_warn("oprofile: counter #%d is already reserved\n", counter);
-}
-
-extern u64 op_x86_get_ctrl(struct op_x86_model_spec const *model,
-			   struct op_counter_config *counter_config);
-extern int op_x86_phys_to_virt(int phys);
-extern int op_x86_virt_to_phys(int virt);
-
-extern struct op_x86_model_spec op_ppro_spec;
-extern struct op_x86_model_spec op_p4_spec;
-extern struct op_x86_model_spec op_p4_ht2_spec;
-extern struct op_x86_model_spec op_amd_spec;
-extern struct op_x86_model_spec op_arch_perfmon_spec;
-
-#endif /* OP_X86_MODEL_H */