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-rw-r--r--Documentation/kprobes.txt8
-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
-rw-r--r--net/dccp/probe.c2
-rw-r--r--net/ipv4/tcp_probe.c2
10 files changed, 6 insertions, 18 deletions
diff --git a/Documentation/kprobes.txt b/Documentation/kprobes.txt
index da5404ab756..cb12ae175aa 100644
--- a/Documentation/kprobes.txt
+++ b/Documentation/kprobes.txt
@@ -247,12 +247,6 @@ control to Kprobes.) If the probed function is declared asmlinkage,
247fastcall, or anything else that affects how args are passed, the 247fastcall, or anything else that affects how args are passed, the
248handler's declaration must match. 248handler's declaration must match.
249 249
250NOTE: A macro JPROBE_ENTRY is provided to handle architecture-specific
251aliasing of jp->entry. In the interest of portability, it is advised
252to use:
253
254 jp->entry = JPROBE_ENTRY(handler);
255
256register_jprobe() returns 0 on success, or a negative errno otherwise. 250register_jprobe() returns 0 on success, or a negative errno otherwise.
257 251
2584.3 register_kretprobe 2524.3 register_kretprobe
@@ -518,7 +512,7 @@ long jdo_fork(unsigned long clone_flags, unsigned long stack_start,
518} 512}
519 513
520static struct jprobe my_jprobe = { 514static struct jprobe my_jprobe = {
521 .entry = JPROBE_ENTRY(jdo_fork) 515 .entry = jdo_fork
522}; 516};
523 517
524static int __init jprobe_init(void) 518static int __init jprobe_init(void)
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;
42 ? (MAX_STACK_SIZE) \ 42 ? (MAX_STACK_SIZE) \
43 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) 43 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
44 44
45#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
46#define ARCH_SUPPORTS_KRETPROBES 45#define ARCH_SUPPORTS_KRETPROBES
47#define ARCH_INACTIVE_KPROBE_COUNT 0 46#define ARCH_INACTIVE_KPROBE_COUNT 0
48#define flush_insn_slot(p) do { } while (0) 47#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 {
82 struct prev_kprobe prev_kprobe[ARCH_PREV_KPROBE_SZ]; 82 struct prev_kprobe prev_kprobe[ARCH_PREV_KPROBE_SZ];
83}; 83};
84 84
85#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
86
87#define ARCH_SUPPORTS_KRETPROBES 85#define ARCH_SUPPORTS_KRETPROBES
88#define ARCH_INACTIVE_KPROBE_COUNT 1 86#define ARCH_INACTIVE_KPROBE_COUNT 1
89 87
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;
73 } \ 73 } \
74} 74}
75 75
76#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)((func_descr_t *)pentry)
77#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \ 76#define is_trap(instr) (IS_TW(instr) || IS_TD(instr) || \
78 IS_TWI(instr) || IS_TDI(instr)) 77 IS_TWI(instr) || IS_TDI(instr))
79#else 78#else
80/* Use stock kprobe_lookup_name since ppc32 doesn't use function descriptors */ 79/* Use stock kprobe_lookup_name since ppc32 doesn't use function descriptors */
81#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry)
82#define is_trap(instr) (IS_TW(instr) || IS_TWI(instr)) 80#define is_trap(instr) (IS_TW(instr) || IS_TWI(instr))
83#endif 81#endif
84 82
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;
46 ? (MAX_STACK_SIZE) \ 46 ? (MAX_STACK_SIZE) \
47 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) 47 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
48 48
49#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)(pentry)
50
51#define ARCH_SUPPORTS_KRETPROBES 49#define ARCH_SUPPORTS_KRETPROBES
52#define ARCH_INACTIVE_KPROBE_COUNT 0 50#define ARCH_INACTIVE_KPROBE_COUNT 0
53 51
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;
10#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */ 10#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
11#define MAX_INSN_SIZE 2 11#define MAX_INSN_SIZE 2
12 12
13#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
14#define arch_remove_kprobe(p) do {} while (0) 13#define arch_remove_kprobe(p) do {} while (0)
15#define ARCH_INACTIVE_KPROBE_COUNT 0 14#define ARCH_INACTIVE_KPROBE_COUNT 0
16 15
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;
41 ? (MAX_STACK_SIZE) \ 41 ? (MAX_STACK_SIZE) \
42 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) 42 : (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
43 43
44#define JPROBE_ENTRY(pentry) (kprobe_opcode_t *)pentry
45#define ARCH_SUPPORTS_KRETPROBES 44#define ARCH_SUPPORTS_KRETPROBES
46#define ARCH_INACTIVE_KPROBE_COUNT 1 45#define ARCH_INACTIVE_KPROBE_COUNT 1
47 46
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 {
119 void *entry; /* probe handling code to jump to */ 119 void *entry; /* probe handling code to jump to */
120}; 120};
121 121
122/* For backward compatibility with old code using JPROBE_ENTRY() */
123#define JPROBE_ENTRY(handler) (handler)
124
122DECLARE_PER_CPU(struct kprobe *, current_kprobe); 125DECLARE_PER_CPU(struct kprobe *, current_kprobe);
123DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); 126DECLARE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk);
124 127
diff --git a/net/dccp/probe.c b/net/dccp/probe.c
index 43a3adb027e..bae10b0f2fc 100644
--- a/net/dccp/probe.c
+++ b/net/dccp/probe.c
@@ -112,7 +112,7 @@ static struct jprobe dccp_send_probe = {
112 .kp = { 112 .kp = {
113 .symbol_name = "dccp_sendmsg", 113 .symbol_name = "dccp_sendmsg",
114 }, 114 },
115 .entry = JPROBE_ENTRY(jdccp_sendmsg), 115 .entry = jdccp_sendmsg,
116}; 116};
117 117
118static int dccpprobe_open(struct inode *inode, struct file *file) 118static int dccpprobe_open(struct inode *inode, struct file *file)
diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c
index f37d5928921..b76398d1b45 100644
--- a/net/ipv4/tcp_probe.c
+++ b/net/ipv4/tcp_probe.c
@@ -130,7 +130,7 @@ static struct jprobe tcp_jprobe = {
130 .kp = { 130 .kp = {
131 .symbol_name = "tcp_rcv_established", 131 .symbol_name = "tcp_rcv_established",
132 }, 132 },
133 .entry = JPROBE_ENTRY(jtcp_rcv_established), 133 .entry = jtcp_rcv_established,
134}; 134};
135 135
136static int tcpprobe_open(struct inode * inode, struct file * file) 136static int tcpprobe_open(struct inode * inode, struct file * file)