Re: [PATCH v3 0/6] ptrace: introduce PTRACE_SET_SYSCALL_INFO API

On 01/28, Dmitry V. Levin wrote:

* ptrace: Add explicit padding to the end of struct ptrace_syscall_info,
  simplify obtaining of user ptrace_syscall_info,
  do not introduce PTRACE_SYSCALL_INFO_SIZE_VER0
* ptrace: Change the return type of ptrace_set_syscall_info_* functions
  from "unsigned long" to "int"
* ptrace: Add -ERANGE check to ptrace_set_syscall_info_exit,
  add comments to -ERANGE checks
* ptrace: Update comments about supported syscall stops
* selftests: Extend set_syscall_info test, fix for mips n32

Again, I can't review 1-3, I know nothing about the non-x86 architectures.

As for 4-6, feel free to add

Reviewed-by: Oleg Nesterov oleg@redhat.com