This reverts commit e0ac8457d020c0289ea566917267da9e5e6d9865. The patch was fine but we can no longer race with SIGKILL after 9899d11f "ptrace: ensure arch_ptrace/ptrace_request can never race with SIGKILL", the __TASK_TRACED tracee can't be woken up and ->ptrace_bps[] can't go away. Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Paul Mundt <lethal@xxxxxxxxxxxx> --- arch/sh/kernel/ptrace_32.c | 4 ---- 1 files changed, 0 insertions(+), 4 deletions(-) diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index 81f999a..668c816 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -117,11 +117,7 @@ void user_enable_single_step(struct task_struct *child) set_tsk_thread_flag(child, TIF_SINGLESTEP); - if (ptrace_get_breakpoints(child) < 0) - return; - set_single_step(child, pc); - ptrace_put_breakpoints(child); } void user_disable_single_step(struct task_struct *child) -- 1.5.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
