linux-kernel - [PATCH 2/2] MIPS: Remove set

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Date:   Tue, 11 Apr 2023 15:17:48 +0800
From:   Tiezhu Yang <yangtiezhu@...ngson.cn>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        loongson-kernel@...ts.loongnix.cn
Subject: [PATCH 2/2] MIPS: Remove set_swbp() in uprobes.c

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@...ngson.cn>
---
 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