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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-09-13 13:59:26 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-10-24 17:16:49 +0200 |
| commit | a882b3b0676fa42ab29c492e56749ab00ca95c0d (patch) | |
| tree | 16d6a6c02078f51c019953dfa1288977ac6c0ce5 /arch/s390/kernel/kprobes.c | |
| parent | s390/dis: move disassembler function prototypes to proper header file (diff) | |
| download | linux-dev-a882b3b0676fa42ab29c492e56749ab00ca95c0d.tar.xz linux-dev-a882b3b0676fa42ab29c492e56749ab00ca95c0d.zip | |
s390/kprobes: use insn_length helper function
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/kprobes.c')
| -rw-r--r-- | arch/s390/kernel/kprobes.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 9f99ad7fc212..c52fdf290301 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -26,11 +26,12 @@ #include <linux/stop_machine.h> #include <linux/kdebug.h> #include <linux/uaccess.h> -#include <asm/cacheflush.h> -#include <asm/sections.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/hardirq.h> +#include <asm/cacheflush.h> +#include <asm/sections.h> +#include <asm/dis.h> DEFINE_PER_CPU(struct kprobe *, current_kprobe); DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); @@ -208,7 +209,7 @@ static void __kprobes copy_instruction(struct kprobe *p) s64 disp, new_disp; u64 addr, new_addr; - memcpy(p->ainsn.insn, p->addr, ((p->opcode >> 14) + 3) & -2); + memcpy(p->ainsn.insn, p->addr, insn_length(p->opcode >> 8)); if (!is_insn_relative_long(p->ainsn.insn)) return; /* @@ -608,7 +609,7 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) ip += (unsigned long) p->addr - (unsigned long) p->ainsn.insn; if (fixup & FIXUP_BRANCH_NOT_TAKEN) { - int ilen = ((p->ainsn.insn[0] >> 14) + 3) & -2; + int ilen = insn_length(p->ainsn.insn[0] >> 8); if (ip - (unsigned long) p->ainsn.insn == ilen) ip = (unsigned long) p->addr + ilen; } |