summaryrefslogtreecommitdiffstats
path: root/arch/s390/oprofile
diff options
context:
space:
mode:
authorViresh Kumar <viresh.kumar@linaro.org>2021-01-14 12:35:25 +0100
committerViresh Kumar <viresh.kumar@linaro.org>2021-01-29 05:35:51 +0100
commit0fa461caba04be372444d29c034bea51dda2e0c3 (patch)
tree776d79dfc3c1e1409ca8131eb032c0322f26ae17 /arch/s390/oprofile
parentarch: powerpc: Remove oprofile (diff)
downloadlinux-0fa461caba04be372444d29c034bea51dda2e0c3.tar.xz
linux-0fa461caba04be372444d29c034bea51dda2e0c3.zip
arch: s390: 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: Heiko Carstens <hca@linux.ibm.com> Acked-by: William Cohen <wcohen@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Acked-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/s390/oprofile')
-rw-r--r--arch/s390/oprofile/Makefile10
-rw-r--r--arch/s390/oprofile/init.c37
2 files changed, 0 insertions, 47 deletions
diff --git a/arch/s390/oprofile/Makefile b/arch/s390/oprofile/Makefile
deleted file mode 100644
index 36261f9d360b..000000000000
--- a/arch/s390/oprofile/Makefile
+++ /dev/null
@@ -1,10 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-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
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c
deleted file mode 100644
index 7441857df51b..000000000000
--- a/arch/s390/oprofile/init.c
+++ /dev/null
@@ -1,37 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * S390 Version
- * Copyright IBM Corp. 2002, 2011
- * Author(s): Thomas Spatzier (tspat@de.ibm.com)
- * Author(s): Mahesh Salgaonkar (mahesh@linux.vnet.ibm.com)
- * Author(s): Heinz Graalfs (graalfs@linux.vnet.ibm.com)
- * Author(s): Andreas Krebbel (krebbel@linux.vnet.ibm.com)
- *
- * @remark Copyright 2002-2011 OProfile authors
- */
-
-#include <linux/oprofile.h>
-#include <linux/init.h>
-#include <asm/processor.h>
-#include <asm/unwind.h>
-
-static void s390_backtrace(struct pt_regs *regs, unsigned int depth)
-{
- struct unwind_state state;
-
- unwind_for_each_frame(&state, current, regs, 0) {
- if (depth-- == 0)
- break;
- oprofile_add_trace(state.ip);
- }
-}
-
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
- ops->backtrace = s390_backtrace;
- return 0;
-}
-
-void oprofile_arch_exit(void)
-{
-}