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| author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2005-11-07 01:00:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 07:53:45 -0800 |
| commit | 0dc036c91ac11b2b76bb91b59d8c7af919aa4a8d (patch) | |
| tree | 88318deadc78c7dd416b60f2fac4b8eef1f61a28 /include | |
| parent | 8a5c4dc5e5d72b7802f5647082ccf3861a94f013 (diff) | |
| download | op-kernel-dev-0dc036c91ac11b2b76bb91b59d8c7af919aa4a8d.zip op-kernel-dev-0dc036c91ac11b2b76bb91b59d8c7af919aa4a8d.tar.gz | |
[PATCH] Kprobes: Track kprobe on a per_cpu basis - ppc64 changes
PPC64 changes to track kprobe execution on a per-cpu basis. We now track the
kprobe state machine independently on each cpu using an arch specific kprobe
control block.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-powerpc/kprobes.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h index b2f09f1..6cd0a3b 100644 --- a/include/asm-powerpc/kprobes.h +++ b/include/asm-powerpc/kprobes.h @@ -27,6 +27,7 @@ */ #include <linux/types.h> #include <linux/ptrace.h> +#include <linux/percpu.h> struct pt_regs; @@ -53,6 +54,20 @@ struct arch_specific_insn { kprobe_opcode_t *insn; }; +struct prev_kprobe { + struct kprobe *kp; + unsigned long status; + unsigned long saved_msr; +}; + +/* per-cpu kprobe control block */ +struct kprobe_ctlblk { + unsigned long kprobe_status; + unsigned long kprobe_saved_msr; + struct pt_regs jprobe_saved_regs; + struct prev_kprobe prev_kprobe; +}; + #ifdef CONFIG_KPROBES extern int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *data); |
