Re: [PATCH v3 1/3] ptrace,syscall_user_dispatch: Implement Syscall User Dispatch Suspension

Hi Gregory,

I'll try to read this series next Monday, I need to recall what does syscall-user-dispatch actually do ;)

just one question for now,

On 01/20, Gregory Price wrote:

--- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -370,6 +370,10 @@ static int check_ptrace_options(unsigned long data) if (data & ~(unsigned long)PTRACE_O_MASK) return -EINVAL;

• if (unlikely(data & PTRACE_O_SUSPEND_SYSCALL_USER_DISPATCH) &&

•    (!IS_ENABLED(CONFIG_CHECKPOINT_RESTART)))
  

• 	return -EINVAL;
  

Hmm? git grep CHECKPOINT_RESTART shows nothing.

Oleg.