From: Balbir Singh <bsingharora@gmail.com>
To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: naveen.n.rao@linux.vnet.ibm.com, christophe.leroy@c-s.fr,
paulus@samba.org, Balbir Singh <bsingharora@gmail.com>
Subject: [PATCH v3 2/9] powerpc/kprobes: Move kprobes over to patch_instruction
Date: Tue, 6 Jun 2017 14:29:38 +1000 [thread overview]
Message-ID: <20170606042945.24997-3-bsingharora@gmail.com> (raw)
In-Reply-To: <20170606042945.24997-1-bsingharora@gmail.com>
arch_arm/disarm_probe use direct assignment for copying
instructions, replace them with patch_instruction
Signed-off-by: Balbir Singh <bsingharora@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 fc43435..b49f8f0 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -158,7 +158,7 @@ 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));
}
@@ -166,7 +166,7 @@ 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
next prev parent reply other threads:[~2017-06-06 4:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-06 4:29 [PATCH v3 0/9] Enable STRICT_KERNEL_RWX Balbir Singh
2017-06-06 4:29 ` [PATCH v3 1/9] powerpc/lib/code-patching: Enhance code patching Balbir Singh
2017-06-26 5:42 ` Michael Ellerman
2017-06-06 4:29 ` Balbir Singh [this message]
2017-06-06 19:05 ` [PATCH v3 2/9] powerpc/kprobes: Move kprobes over to patch_instruction Naveen N. Rao
2017-06-07 5:47 ` Balbir Singh
2017-06-26 5:00 ` Michael Ellerman
2017-06-06 4:29 ` [PATCH v3 3/9] powerpc/kprobes/optprobes: Move " Balbir Singh
2017-06-06 19:12 ` Naveen N. Rao
2017-06-07 5:46 ` Balbir Singh
2017-06-07 14:12 ` Naveen N. Rao
2017-06-26 6:12 ` Michael Ellerman
2017-06-06 4:29 ` [PATCH v3 4/9] powerpc/xmon: Add patch_instruction supporf for xmon Balbir Singh
2017-06-06 4:29 ` [PATCH v3 5/9] powerpc/vmlinux.lds: Align __init_begin to 16M Balbir Singh
2017-06-06 4:29 ` [PATCH v3 6/9] powerpc/platform/pseries/lpar: Fix updatepp and updateboltedpp Balbir Singh
2017-06-06 4:29 ` [PATCH v3 7/9] powerpc/mm/hash: Implement mark_rodata_ro() for hash Balbir Singh
2017-06-06 4:29 ` [PATCH v3 8/9] powerpc/Kconfig: Enable STRICT_KERNEL_RWX Balbir Singh
2017-06-06 4:29 ` [PATCH v3 9/9] powerpc/mm/radix: Implement mark_rodata_ro() for radix Balbir Singh
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