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authorAnanth N Mavinakayanahalli <ananth@in.ibm.com>2005-11-07 01:00:10 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 07:53:45 -0800
commit0dc036c91ac11b2b76bb91b59d8c7af919aa4a8d (patch)
tree88318deadc78c7dd416b60f2fac4b8eef1f61a28 /include/asm-powerpc/kprobes.h
parent8a5c4dc5e5d72b7802f5647082ccf3861a94f013 (diff)
[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/asm-powerpc/kprobes.h')
-rw-r--r--include/asm-powerpc/kprobes.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index b2f09f17fbe..6cd0a3bfa28 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);