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authorDavid A. Long <dave.long@linaro.org>2014-02-03 23:25:49 +0400
committerDavid A. Long <dave.long@linaro.org>2014-03-19 00:39:34 +0400
commit6fe50a28ba6e5fafb4a549dea666dd15297dd8bd (patch)
tree998f67b5bb336339c5308e000b0f8f5c9e97a44e /include/linux/uprobes.h
parent21254ebc9e509967317ad8c6922797e21137ad53 (diff)
downloadlinux-6fe50a28ba6e5fafb4a549dea666dd15297dd8bd.tar.xz
uprobes: allow ignoring of probe hits
Allow arches to decided to ignore a probe hit. ARM will use this to only call handlers if the conditions to execute a conditionally executed instruction are satisfied. Signed-off-by: David A. Long <dave.long@linaro.org> Acked-by: Oleg Nesterov <oleg@redhat.com>
Diffstat (limited to 'include/linux/uprobes.h')
-rw-r--r--include/linux/uprobes.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index e32251e00e62..edff2b97b864 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -126,6 +126,7 @@ extern bool arch_uprobe_xol_was_trapped(struct task_struct *tsk);
extern int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, void *data);
extern void arch_uprobe_abort_xol(struct arch_uprobe *aup, struct pt_regs *regs);
extern unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs *regs);
+extern bool __weak arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs);
#else /* !CONFIG_UPROBES */
struct uprobes_state {
};