@@ -1317,7 +1317,6 @@ a few targets.
libs-y += arch/sparc/lib/
drivers-$(CONFIG_PM) += arch/sparc/power/
- drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
7.5 Architecture-specific boot images
-------------------------------------
@@ -20,7 +20,6 @@ config SPARC
select OF_PROMTREE
select HAVE_ASM_MODVERSIONS
select HAVE_IDE
- select HAVE_OPROFILE
select HAVE_ARCH_KGDB if !SMP || SPARC64
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_SECCOMP if SPARC64
@@ -65,7 +65,6 @@ libs-y += arch/sparc/prom/
libs-y += arch/sparc/lib/
drivers-$(CONFIG_PM) += arch/sparc/power/
-drivers-$(CONFIG_OPROFILE) += arch/sparc/oprofile/
boot := arch/sparc/boot
@@ -8,7 +8,6 @@ CONFIG_PERF_EVENTS=y
# CONFIG_COMPAT_BRK is not set
CONFIG_SLAB=y
CONFIG_PROFILING=y
-CONFIG_OPROFILE=m
CONFIG_KPROBES=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
deleted file mode 100644
@@ -1,10 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_OPROFILE) += oprofile.o
-
-DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
- oprof.o cpu_buffer.o buffer_sync.o \
- event_buffer.o oprofile_files.o \
- oprofilefs.o oprofile_stats.o \
- timer_int.o )
-
-oprofile-y := $(DRIVER_OBJS) init.o
deleted file mode 100644
@@ -1,87 +0,0 @@
-/**
- * @file init.c
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author John Levon <levon@movementarian.org>
- */
-
-#include <linux/kernel.h>
-#include <linux/oprofile.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/param.h> /* for HZ */
-
-#ifdef CONFIG_SPARC64
-#include <linux/notifier.h>
-#include <linux/rcupdate.h>
-#include <linux/kdebug.h>
-#include <asm/nmi.h>
-
-static int profile_timer_exceptions_notify(struct notifier_block *self,
- unsigned long val, void *data)
-{
- struct die_args *args = data;
- int ret = NOTIFY_DONE;
-
- switch (val) {
- case DIE_NMI:
- oprofile_add_sample(args->regs, 0);
- ret = NOTIFY_STOP;
- break;
- default:
- break;
- }
- return ret;
-}
-
-static struct notifier_block profile_timer_exceptions_nb = {
- .notifier_call = profile_timer_exceptions_notify,
-};
-
-static int timer_start(void)
-{
- if (register_die_notifier(&profile_timer_exceptions_nb))
- return 1;
- nmi_adjust_hz(HZ);
- return 0;
-}
-
-
-static void timer_stop(void)
-{
- nmi_adjust_hz(1);
- unregister_die_notifier(&profile_timer_exceptions_nb);
- synchronize_rcu(); /* Allow already-started NMIs to complete. */
-}
-
-static int op_nmi_timer_init(struct oprofile_operations *ops)
-{
- if (atomic_read(&nmi_active) <= 0)
- return -ENODEV;
-
- ops->start = timer_start;
- ops->stop = timer_stop;
- ops->cpu_type = "timer";
- printk(KERN_INFO "oprofile: Using perfctr NMI timer interrupt.\n");
- return 0;
-}
-#endif
-
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
- int ret = -ENODEV;
-
-#ifdef CONFIG_SPARC64
- ret = op_nmi_timer_init(ops);
- if (!ret)
- return ret;
-#endif
-
- return ret;
-}
-
-void oprofile_arch_exit(void)
-{
-}
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> --- Documentation/kbuild/makefiles.rst | 1 - arch/sparc/Kconfig | 1 - arch/sparc/Makefile | 1 - arch/sparc/configs/sparc64_defconfig | 1 - arch/sparc/oprofile/Makefile | 10 ---- arch/sparc/oprofile/init.c | 87 ---------------------------- 6 files changed, 101 deletions(-) delete mode 100644 arch/sparc/oprofile/Makefile delete mode 100644 arch/sparc/oprofile/init.c