1 files changed, 18 insertions, 5 deletions

diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 4f628a6fc5b4..02b83db8e2c5 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -35,13 +35,20 @@ struct inode;
 # include <asm/uprobes.h>
 #endif
 
+#define UPROBE_HANDLER_REMOVE           1
+#define UPROBE_HANDLER_MASK             1
+
+enum uprobe_filter_ctx {
+        UPROBE_FILTER_REGISTER,
+        UPROBE_FILTER_UNREGISTER,
+        UPROBE_FILTER_MMAP,
+};
+
 struct uprobe_consumer {
         int (*handler)(struct uprobe_consumer *self, struct pt_regs *regs);
-        /*
-         * filter is optional; If a filter exists, handler is run
-         * if and only if filter returns true.
-         */
-        bool (*filter)(struct uprobe_consumer *self, struct task_struct *task);
+        bool (*filter)(struct uprobe_consumer *self,
+                                enum uprobe_filter_ctx ctx,
+                                struct mm_struct *mm);
 
         struct uprobe_consumer *next;
 };
@@ -94,6 +101,7 @@ extern int __weak set_swbp(struct arch_uprobe *aup, struct mm_struct *mm, unsign
 extern int __weak set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr);
 extern bool __weak is_swbp_insn(uprobe_opcode_t *insn);
 extern int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
+extern int uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool);
 extern void uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc);
 extern int uprobe_mmap(struct vm_area_struct *vma);
 extern void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned long end);
@@ -117,6 +125,11 @@ uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
 {
         return -ENOSYS;
 }
+static inline int
+uprobe_apply(struct inode *inode, loff_t offset, struct uprobe_consumer *uc, bool add)
+{
+        return -ENOSYS;
+}
 static inline void
 uprobe_unregister(struct inode *inode, loff_t offset, struct uprobe_consumer *uc)
 {