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Subject[PATCH v5 04/10] Uprobe: Change set_orig_insn definition
Date
Instead of arch_uprobe, pass uprobe object to set_orig_insn(). We
need this in later set of patches.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
---
include/linux/uprobes.h | 2 +-
kernel/events/uprobes.c | 9 +++++----
2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index 7a77bd57c9e7..85db5918f675 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -141,7 +141,7 @@ struct uprobes_state {
};

extern int set_swbp(struct uprobe *uprobe, struct mm_struct *mm, unsigned long vaddr);
-extern int set_orig_insn(struct arch_uprobe *aup, struct mm_struct *mm, unsigned long vaddr);
+extern int set_orig_insn(struct uprobe *uprobe, struct mm_struct *mm, unsigned long vaddr);
extern bool is_swbp_insn(uprobe_opcode_t *insn);
extern bool is_trap_insn(uprobe_opcode_t *insn);
extern unsigned long uprobe_get_swbp_addr(struct pt_regs *regs);
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 8de52bcd1a18..04fe80057331 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -333,16 +333,17 @@ int __weak set_swbp(struct uprobe *uprobe, struct mm_struct *mm, unsigned long v
/**
* set_orig_insn - Restore the original instruction.
* @mm: the probed process address space.
- * @auprobe: arch specific probepoint information.
+ * @uprobe: uprobe object.
* @vaddr: the virtual address to insert the opcode.
*
* For mm @mm, restore the original opcode (opcode) at @vaddr.
* Return 0 (success) or a negative errno.
*/
int __weak
-set_orig_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long vaddr)
+set_orig_insn(struct uprobe *uprobe, struct mm_struct *mm, unsigned long vaddr)
{
- return uprobe_write_opcode(mm, vaddr, *(uprobe_opcode_t *)&auprobe->insn);
+ return uprobe_write_opcode(mm, vaddr,
+ *(uprobe_opcode_t *)&(uprobe->arch.insn));
}

static struct uprobe *get_uprobe(struct uprobe *uprobe)
@@ -655,7 +656,7 @@ static int
remove_breakpoint(struct uprobe *uprobe, struct mm_struct *mm, unsigned long vaddr)
{
set_bit(MMF_RECALC_UPROBES, &mm->flags);
- return set_orig_insn(&uprobe->arch, mm, vaddr);
+ return set_orig_insn(uprobe, mm, vaddr);
}

static inline bool uprobe_is_active(struct uprobe *uprobe)
--
2.14.4
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