[PATCH v4 2/9] powerpc/kprobes: Move kprobes over to patch_instruction
Balbir Singh
bsingharora at gmail.com
Tue Jun 27 17:48:56 AEST 2017
arch_arm/disarm_probe use direct assignment for copying
instructions, replace them with patch_instruction
Signed-off-by: Balbir Singh <bsingharora at gmail.com>
---
arch/powerpc/kernel/kprobes.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 01addfb..a52bae8 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -164,7 +164,7 @@ NOKPROBE_SYMBOL(arch_prepare_kprobe);
void arch_arm_kprobe(struct kprobe *p)
{
- *p->addr = BREAKPOINT_INSTRUCTION;
+ patch_instruction(p->addr, BREAKPOINT_INSTRUCTION);
flush_icache_range((unsigned long) p->addr,
(unsigned long) p->addr + sizeof(kprobe_opcode_t));
}
@@ -172,7 +172,7 @@ NOKPROBE_SYMBOL(arch_arm_kprobe);
void arch_disarm_kprobe(struct kprobe *p)
{
- *p->addr = p->opcode;
+ patch_instruction(p->addr, p->opcode);
flush_icache_range((unsigned long) p->addr,
(unsigned long) p->addr + sizeof(kprobe_opcode_t));
}
--
2.9.4
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