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authorMichael Ellerman <michael@ellerman.id.au>2007-07-19 01:48:10 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-19 10:04:44 -0700
commit9e367d859297b9377d65574f538cf52730e9eda8 (patch)
treec7d4e7c3d1521810981d1623c5100a44600c603f /include
parent81eae375eceba481ca4c605d42913871f093f6d5 (diff)
jprobes: remove JPROBE_ENTRY()
AFAICT now that jprobe.entry is a void *, JPROBE_ENTRY doesn't do anything useful - so remove it .. I've left a do-nothing version so that out-of-tree jprobes code will still compile without modifications. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/asm-i386/kprobes.h1
-rw-r--r--include/asm-ia64/kprobes.h2
-rw-r--r--include/asm-powerpc/kprobes.h2
-rw-r--r--include/asm-s390/kprobes.h2
-rw-r--r--include/asm-sparc64/kprobes.h1
-rw-r--r--include/asm-x86_64/kprobes.h1
-rw-r--r--include/linux/kprobes.h3
7 files changed, 3 insertions, 9 deletions
diff --git a/include/asm-i386/kprobes.h b/include/asm-i386/kprobes.h
index 8774d06689d..06f7303c30c 100644
--- a/include/asm-i386/kprobes.h
+++ b/include/asm-i386/kprobes.h
@@ -42,7 +42,6 @@ typedef u8 kprobe_opcode_t;
? (MAX_STACK_SIZE) \
: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
#define ARCH_SUPPORTS_KRETPROBES
#define ARCH_INACTIVE_KPROBE_COUNT 0
#define flush_insn_slot(p) do { } while (0)
diff --git a/include/asm-ia64/kprobes.h b/include/asm-ia64/kprobes.h
index 6382e52ec22..067d9dea68f 100644
--- a/include/asm-ia64/kprobes.h
+++ b/include/asm-ia64/kprobes.h
@@ -82,8 +82,6 @@ struct kprobe_ctlblk {
struct prev_kprobe prev_kprobe[ARCH_PREV_KPROBE_SZ];
};
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
-
#define ARCH_SUPPORTS_KRETPROBES
#define ARCH_INACTIVE_KPROBE_COUNT 1
diff --git a/include/asm-powerpc/kprobes.h b/include/asm-powerpc/kprobes.h
index 9537fda238b..8b08b447d6f 100644
--- a/include/asm-powerpc/kprobes.h
+++ b/include/asm-powerpc/kprobes.h
@@ -73,12 +73,10 @@ typedef unsigned int kprobe_opcode_t;
} \
}
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)((func_descr_t *)pentry)
#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \
IS_TWI(instr) || IS_TDI(instr))
#else
/* Use stock kprobe_lookup_name since ppc32 doesn't use function descriptors */
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry)
#define is_trap(instr) (IS_TW(instr) || IS_TWI(instr))
#endif
diff --git a/include/asm-s390/kprobes.h b/include/asm-s390/kprobes.h
index 830fe4c4eea..340ba10446e 100644
--- a/include/asm-s390/kprobes.h
+++ b/include/asm-s390/kprobes.h
@@ -46,8 +46,6 @@ typedef u16 kprobe_opcode_t;
? (MAX_STACK_SIZE) \
: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry)
-
#define ARCH_SUPPORTS_KRETPROBES
#define ARCH_INACTIVE_KPROBE_COUNT 0
diff --git a/include/asm-sparc64/kprobes.h b/include/asm-sparc64/kprobes.h
index a331b7b0dff..7f6774dca5f 100644
--- a/include/asm-sparc64/kprobes.h
+++ b/include/asm-sparc64/kprobes.h
@@ -10,7 +10,6 @@ typedef u32 kprobe_opcode_t;
#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
#define MAX_INSN_SIZE 2
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
#define arch_remove_kprobe(p) do {} while (0)
#define ARCH_INACTIVE_KPROBE_COUNT 0
diff --git a/include/asm-x86_64/kprobes.h b/include/asm-x86_64/kprobes.h
index cf5317898fb..7db825403e0 100644
--- a/include/asm-x86_64/kprobes.h
+++ b/include/asm-x86_64/kprobes.h
@@ -41,7 +41,6 @@ typedef u8 kprobe_opcode_t;
? (MAX_STACK_SIZE) \
: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
-#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
#define ARCH_SUPPORTS_KRETPROBES
#define ARCH_INACTIVE_KPROBE_COUNT 1
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index f4e53b71d23..bd892850c94 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -119,6 +119,9 @@ struct jprobe {
void *entry; /* probe handling code to jump to */
};
+/* For backward compatibility with old code using JPROBE_ENTRY() */
+#define JPROBE_ENTRY(handler) (handler)
+
DECLARE_PER_CPU(struct kprobe *, current_kprobe);
DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);