summaryrefslogtreecommitdiffstats
path: root/arch/x86
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/entry/common.c17
-rw-r--r--arch/x86/kernel/ptrace.c3
2 files changed, 6 insertions, 14 deletions
diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 2418804e66b4..536b574b6161 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -72,23 +72,18 @@ static long syscall_trace_enter(struct pt_regs *regs)
struct thread_info *ti = current_thread_info();
unsigned long ret = 0;
- bool emulated = false;
u32 work;
if (IS_ENABLED(CONFIG_DEBUG_ENTRY))
BUG_ON(regs != task_pt_regs(current));
- work = READ_ONCE(ti->flags) & _TIF_WORK_SYSCALL_ENTRY;
+ work = READ_ONCE(ti->flags);
- if (unlikely(work & _TIF_SYSCALL_EMU))
- emulated = true;
-
- if ((emulated || (work & _TIF_SYSCALL_TRACE)) &&
- tracehook_report_syscall_entry(regs))
- return -1L;
-
- if (emulated)
- return -1L;
+ if (work & (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU)) {
+ ret = tracehook_report_syscall_entry(regs);
+ if (ret || (work & _TIF_SYSCALL_EMU))
+ return -1L;
+ }
#ifdef CONFIG_SECCOMP
/*
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index a166c960bc9e..36998e0c3fc4 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -747,9 +747,6 @@ static int ioperm_get(struct task_struct *target,
void ptrace_disable(struct task_struct *child)
{
user_disable_single_step(child);
-#ifdef TIF_SYSCALL_EMU
- clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
-#endif
}
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION