[PATCH 2/2] MIPS: Remove set_swbp() in uprobes.c

From: Tiezhu Yang
Date: Tue Apr 11 2023 - 03:18:37 EST


set_swbp() in arch/mips/kernel/uprobes.c is same with the weak version
in kernel/events/uprobes.c, remove it.

Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
arch/mips/kernel/uprobes.c | 18 ------------------
1 file changed, 18 deletions(-)

diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index 6c063aa..6b630ed 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -207,24 +207,6 @@ unsigned long arch_uretprobe_hijack_return_addr(
return ra;
}

-/**
- * set_swbp - store breakpoint at a given address.
- * @auprobe: arch specific probepoint information.
- * @mm: the probed process address space.
- * @vaddr: the virtual address to insert the opcode.
- *
- * For mm @mm, store the breakpoint instruction at @vaddr.
- * Return 0 (success) or a negative errno.
- *
- * This version overrides the weak version in kernel/events/uprobes.c.
- * It is required to handle MIPS16 and microMIPS.
- */
-int __weak set_swbp(struct arch_uprobe *auprobe, struct mm_struct *mm,
- unsigned long vaddr)
-{
- return uprobe_write_opcode(auprobe, mm, vaddr, UPROBE_SWBP_INSN);
-}
-
void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
void *src, unsigned long len)
{
--
2.1.0