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| author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2005-11-07 01:00:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 07:53:45 -0800 |
| commit | 8a5c4dc5e5d72b7802f5647082ccf3861a94f013 (patch) | |
| tree | 6a152d01d9b9653201a113af9c1ce3f94771bf49 /include | |
| parent | 9a0e3a86837ac7542e601c18346102c9d9e65fa5 (diff) | |
| download | op-kernel-dev-8a5c4dc5e5d72b7802f5647082ccf3861a94f013.zip op-kernel-dev-8a5c4dc5e5d72b7802f5647082ccf3861a94f013.tar.gz | |
[PATCH] Kprobes: Track kprobe on a per_cpu basis - ia64 changes
IA64 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-ia64/kprobes.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h index 573a357..592abb0 100644 --- a/include/asm-ia64/kprobes.h +++ b/include/asm-ia64/kprobes.h @@ -26,6 +26,7 @@ */ #include <linux/types.h> #include <linux/ptrace.h> +#include <linux/percpu.h> #include <asm/break.h> #define MAX_INSN_SIZE 16 @@ -62,6 +63,18 @@ typedef struct _bundle { } quad1; } __attribute__((__aligned__(16))) bundle_t; +struct prev_kprobe { + struct kprobe *kp; + unsigned long status; +}; + +/* per-cpu kprobe control block */ +struct kprobe_ctlblk { + unsigned long kprobe_status; + struct pt_regs jprobe_saved_regs; + struct prev_kprobe prev_kprobe; +}; + #define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry #define ARCH_SUPPORTS_KRETPROBES |
