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| author | Max Filippov <jcmvbkbc@gmail.com> | 2018-11-15 19:33:47 -0800 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2018-12-17 13:48:21 -0800 |
| commit | 3aee3e25deeab083df21012060c98e9987ac9177 (patch) | |
| tree | 002a976fa81d491e15de918c90677eaccf9cd308 /arch/xtensa/kernel/ptrace.c | |
| parent | 6a986984b63990c80252b2208036fe731a6ae113 (diff) | |
xtensa: call do_syscall_trace_{enter,leave} selectively
Check whether calls to do_syscall_trace_{enter,leave} are necessary in
the system_call function. Define _TIF_WORK_MASK to a bitmask of flags
that reuire the calls. Fix comment.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel/ptrace.c')
| -rw-r--r-- | arch/xtensa/kernel/ptrace.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c index 86622d4db328..f73a6a71323e 100644 --- a/arch/xtensa/kernel/ptrace.c +++ b/arch/xtensa/kernel/ptrace.c @@ -487,13 +487,12 @@ long arch_ptrace(struct task_struct *child, long request, return ret; } -unsigned long do_syscall_trace_enter(struct pt_regs *regs) +void do_syscall_trace_enter(struct pt_regs *regs) { if (test_thread_flag(TIF_SYSCALL_TRACE) && tracehook_report_syscall_entry(regs)) - return NO_SYSCALL; + regs->syscall = NO_SYSCALL; - return regs->areg[2]; } void do_syscall_trace_leave(struct pt_regs *regs) |