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Diffstat (limited to 'arch/x86/kernel/kprobes.c')
-rw-r--r--arch/x86/kernel/kprobes.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 9aadd4d4a229..8de82c8cedd6 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -387,9 +387,9 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
{
__get_cpu_var(current_kprobe) = p;
kcb->kprobe_saved_flags = kcb->kprobe_old_flags
- = (regs->flags & (TF_MASK | IF_MASK));
+ = (regs->flags & (X86_EFLAGS_TF | X86_EFLAGS_IF));
if (is_IF_modifier(p->ainsn.insn))
- kcb->kprobe_saved_flags &= ~IF_MASK;
+ kcb->kprobe_saved_flags &= ~X86_EFLAGS_IF;
}
static __always_inline void clear_btf(void)
@@ -407,8 +407,8 @@ static __always_inline void restore_btf(void)
static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
{
clear_btf();
- regs->flags |= TF_MASK;
- regs->flags &= ~IF_MASK;
+ regs->flags |= X86_EFLAGS_TF;
+ regs->flags &= ~X86_EFLAGS_IF;
/*single step inline if the instruction is an int3*/
if (p->opcode == BREAKPOINT_INSTRUCTION)
regs->ip = (unsigned long)p->addr;
@@ -454,7 +454,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
if (p) {
if (kcb->kprobe_status == KPROBE_HIT_SS &&
*p->ainsn.insn == BREAKPOINT_INSTRUCTION) {
- regs->flags &= ~TF_MASK;
+ regs->flags &= ~X86_EFLAGS_TF;
regs->flags |= kcb->kprobe_saved_flags;
goto no_kprobe;
#ifdef CONFIG_X86_64
@@ -749,10 +749,10 @@ static void __kprobes resume_execution(struct kprobe *p,
insn++;
#endif
- regs->flags &= ~TF_MASK;
+ regs->flags &= ~X86_EFLAGS_TF;
switch (*insn) {
case 0x9c: /* pushfl */
- *tos &= ~(TF_MASK | IF_MASK);
+ *tos &= ~(X86_EFLAGS_TF | X86_EFLAGS_IF);
*tos |= kcb->kprobe_old_flags;
break;
case 0xc2: /* iret/ret/lret */
@@ -852,7 +852,7 @@ out:
* will have TF set, in which case, continue the remaining processing
* of do_debug, as if this is not a probe hit.
*/
- if (regs->flags & TF_MASK)
+ if (regs->flags & X86_EFLAGS_TF)
return 0;
return 1;
@@ -982,7 +982,7 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
*/
memcpy(kcb->jprobes_stack, (kprobe_opcode_t *)addr,
MIN_STACK_SIZE(addr));
- regs->flags &= ~IF_MASK;
+ regs->flags &= ~X86_EFLAGS_IF;
trace_hardirqs_off();
regs->ip = (unsigned long)(jp->entry);
return 1;