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authorAnanth N Mavinakayanahalli <ananth@in.ibm.com>2008-03-04 14:28:37 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-03-04 16:35:11 -0800
commit9edddaa200df18e08fe0cf21036e8ae467b1363c (patch)
tree26f5319fac24fb6c76b1276b19725caeb5ec24bc /include/linux/kprobes.h
parent8182ec49a73729334f5a6c65a607ba7009ebd6d6 (diff)
Kprobes: indicate kretprobe support in Kconfig
Add CONFIG_HAVE_KRETPROBES to the arch/<arch>/Kconfig file for relevant architectures with kprobes support. This facilitates easy handling of in-kernel modules (like samples/kprobes/kretprobe_example.c) that depend on kretprobes being present in the kernel. Thanks to Sam Ravnborg for helping make the patch more lean. Per Mathieu's suggestion, added CONFIG_KRETPROBES and fixed up dependencies. Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kprobes.h')
-rw-r--r--include/linux/kprobes.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 4a6ce82ba039..0f28486f6360 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -125,11 +125,11 @@ struct jprobe {
DECLARE_PER_CPU(struct kprobe *, current_kprobe);
DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
-#ifdef ARCH_SUPPORTS_KRETPROBES
+#ifdef CONFIG_KRETPROBES
extern void arch_prepare_kretprobe(struct kretprobe_instance *ri,
struct pt_regs *regs);
extern int arch_trampoline_kprobe(struct kprobe *p);
-#else /* ARCH_SUPPORTS_KRETPROBES */
+#else /* CONFIG_KRETPROBES */
static inline void arch_prepare_kretprobe(struct kretprobe *rp,
struct pt_regs *regs)
{
@@ -138,7 +138,7 @@ static inline int arch_trampoline_kprobe(struct kprobe *p)
{
return 0;
}
-#endif /* ARCH_SUPPORTS_KRETPROBES */
+#endif /* CONFIG_KRETPROBES */
/*
* Function-return probe -
* Note: