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Diffstat (limited to 'arch/x86_64/ia32/ia32_signal.c')
-rw-r--r--arch/x86_64/ia32/ia32_signal.c26
1 files changed, 7 insertions, 19 deletions
diff --git a/arch/x86_64/ia32/ia32_signal.c b/arch/x86_64/ia32/ia32_signal.c
index 0903cc1faef..e0a92439f63 100644
--- a/arch/x86_64/ia32/ia32_signal.c
+++ b/arch/x86_64/ia32/ia32_signal.c
@@ -353,7 +353,6 @@ ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __
struct pt_regs *regs, unsigned int mask)
{
int tmp, err = 0;
- u32 eflags;
tmp = 0;
__asm__("movl %%gs,%0" : "=r"(tmp): "0"(tmp));
@@ -378,10 +377,7 @@ ia32_setup_sigcontext(struct sigcontext_ia32 __user *sc, struct _fpstate_ia32 __
err |= __put_user(current->thread.trap_no, &sc->trapno);
err |= __put_user(current->thread.error_code, &sc->err);
err |= __put_user((u32)regs->rip, &sc->eip);
- eflags = regs->eflags;
- if (current->ptrace & PT_PTRACED)
- eflags &= ~TF_MASK;
- err |= __put_user((u32)eflags, &sc->eflags);
+ err |= __put_user((u32)regs->eflags, &sc->eflags);
err |= __put_user((u32)regs->rsp, &sc->esp_at_signal);
tmp = save_i387_ia32(current, fpstate, regs, 0);
@@ -505,13 +501,9 @@ int ia32_setup_frame(int sig, struct k_sigaction *ka,
regs->ss = __USER32_DS;
set_fs(USER_DS);
- if (regs->eflags & TF_MASK) {
- if (current->ptrace & PT_PTRACED) {
- ptrace_notify(SIGTRAP);
- } else {
- regs->eflags &= ~TF_MASK;
- }
- }
+ regs->eflags &= ~TF_MASK;
+ if (test_thread_flag(TIF_SINGLESTEP))
+ ptrace_notify(SIGTRAP);
#if DEBUG_SIG
printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",
@@ -605,13 +597,9 @@ int ia32_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
regs->ss = __USER32_DS;
set_fs(USER_DS);
- if (regs->eflags & TF_MASK) {
- if (current->ptrace & PT_PTRACED) {
- ptrace_notify(SIGTRAP);
- } else {
- regs->eflags &= ~TF_MASK;
- }
- }
+ regs->eflags &= ~TF_MASK;
+ if (test_thread_flag(TIF_SINGLESTEP))
+ ptrace_notify(SIGTRAP);
#if DEBUG_SIG
printk("SIG deliver (%s:%d): sp=%p pc=%p ra=%p\n",