| From | Max Filippov <> | Date | Tue, 26 Apr 2022 16:33:24 -0700 | Subject | Re: [PATCH 4/9] ptrace/xtensa: Replace PT_SINGLESTEP with TIF_SINGLESTEP |
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On Tue, Apr 26, 2022 at 3:52 PM Eric W. Biederman <ebiederm@xmission.com> wrote: > > xtensa is the last user of the PT_SINGLESTEP flag. Changing tsk->ptrace in > user_enable_single_step and user_disable_single_step without locking could > potentiallly cause problems. > > So use a thread info flag instead of a flag in tsk->ptrace. Use TIF_SINGLESTEP > that xtensa already had defined but unused. > > Remove the definitions of PT_SINGLESTEP and PT_BLOCKSTEP as they have no more users. > > Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> > --- > arch/xtensa/kernel/ptrace.c | 4 ++-- > arch/xtensa/kernel/signal.c | 4 ++-- > include/linux/ptrace.h | 6 ------ > 3 files changed, 4 insertions(+), 10 deletions(-)
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
-- Thanks. -- Max
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