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authorViresh Kumar <[email protected]>2021-01-14 17:05:28 +0530
committerViresh Kumar <[email protected]>2021-01-29 10:05:51 +0530
commita6a0683b71050d544febb08358f88f55aade47ce (patch)
tree523ca15dabb96ad61085242e86ba7cee831b3826 /arch/x86/oprofile/init.c
parent2083fecd1c12fecb419dfb767ba7f18143490b82 (diff)
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 <[email protected]> Suggested-by: Linus Torvalds <[email protected]> Signed-off-by: Viresh Kumar <[email protected]> Acked-by: Robert Richter <[email protected]> Acked-by: William Cohen <[email protected]> Acked-by: Al Viro <[email protected]> Acked-by: Thomas Gleixner <[email protected]>
Diffstat (limited to 'arch/x86/oprofile/init.c')
-rw-r--r--arch/x86/oprofile/init.c38
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c
deleted file mode 100644
index 9e138d00ad36..000000000000
--- a/arch/x86/oprofile/init.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/**
- * @file init.c
- *
- * @remark Copyright 2002 OProfile authors
- * @remark Read the file COPYING
- *
- * @author John Levon <[email protected]>
- */
-
-#include <linux/oprofile.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-
-/*
- * We support CPUs that have performance counters like the Pentium Pro
- * with the NMI mode driver.
- */
-
-#ifdef CONFIG_X86_LOCAL_APIC
-extern int op_nmi_init(struct oprofile_operations *ops);
-extern void op_nmi_exit(void);
-#else
-static int op_nmi_init(struct oprofile_operations *ops) { return -ENODEV; }
-static void op_nmi_exit(void) { }
-#endif
-
-extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth);
-
-int __init oprofile_arch_init(struct oprofile_operations *ops)
-{
- ops->backtrace = x86_backtrace;
- return op_nmi_init(ops);
-}
-
-void oprofile_arch_exit(void)
-{
- op_nmi_exit();
-}