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authorHarvey Harrison <harvey.harrison@gmail.com>2008-01-30 13:31:43 +0100
committerIngo Molnar <mingo@elte.hu>2008-01-30 13:31:43 +0100
commite7b5e11eaaa8ef93a34e68016de51152d0d62911 (patch)
treedba4e39c71bbdd6ad2d6fc5c4f1e5c7819b04bd5 /arch
parentab4a574ef23cfa801a5078f7d7c2f2b76ecd6d91 (diff)
x86: kprobes leftover cleanups
Eliminate __always_inline, all of these static functions are only called once. Minor whitespace cleanup. Eliminate one supefluous return at end of void function. Change the one #ifndef to #ifdef to match the sense of the rest of the config tests. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/kprobes.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 7848bf74e2a..521a469acaa 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -159,7 +159,7 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {
const int kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist);
/* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
-static __always_inline void set_jmp_op(void *from, void *to)
+static void __kprobes set_jmp_op(void *from, void *to)
{
struct __arch_jmp_op {
char op;
@@ -174,7 +174,7 @@ static __always_inline void set_jmp_op(void *from, void *to)
* Returns non-zero if opcode is boostable.
* RIP relative instructions are adjusted at copying time in 64 bits mode
*/
-static __always_inline int can_boost(kprobe_opcode_t *opcodes)
+static int __kprobes can_boost(kprobe_opcode_t *opcodes)
{
kprobe_opcode_t opcode;
kprobe_opcode_t *orig_opcodes = opcodes;
@@ -392,13 +392,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
kcb->kprobe_saved_flags &= ~X86_EFLAGS_IF;
}
-static __always_inline void clear_btf(void)
+static void __kprobes clear_btf(void)
{
if (test_thread_flag(TIF_DEBUGCTLMSR))
wrmsr(MSR_IA32_DEBUGCTLMSR, 0, 0);
}
-static __always_inline void restore_btf(void)
+static void __kprobes restore_btf(void)
{
if (test_thread_flag(TIF_DEBUGCTLMSR))
wrmsr(MSR_IA32_DEBUGCTLMSR, current->thread.debugctlmsr, 0);
@@ -409,7 +409,7 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
clear_btf();
regs->flags |= X86_EFLAGS_TF;
regs->flags &= ~X86_EFLAGS_IF;
- /*single step inline if the instruction is an int3*/
+ /* single step inline if the instruction is an int3 */
if (p->opcode == BREAKPOINT_INSTRUCTION)
regs->ip = (unsigned long)p->addr;
else
@@ -767,7 +767,7 @@ static void __kprobes resume_execution(struct kprobe *p,
case 0xe8: /* call relative - Fix return addr */
*tos = orig_ip + (*tos - copy_ip);
break;
-#ifndef CONFIG_X86_64
+#ifdef CONFIG_X86_32
case 0x9a: /* call absolute -- same as call absolute, indirect */
*tos = orig_ip + (*tos - copy_ip);
goto no_change;
@@ -813,8 +813,6 @@ static void __kprobes resume_execution(struct kprobe *p,
no_change:
restore_btf();
-
- return;
}
/*