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Commit f8d5faf7 authored by Martin Schwidefsky's avatar Martin Schwidefsky Committed by Martin Schwidefsky
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[S390] clear TIF_SINGLE_STEP for new process. 



Clear the TIF_SINGLE_STEP bit in copy_thread. The new process did not get
a PER event of its own. It is wrong deliver a SIGTRAP that was meant for
the parent process.

Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent c3311c13

arch/s390/kernel/process.c

+1 −0
Original line number Diff line number Diff line
@@ -217,6 +217,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp, 
	p->thread.mm_segment = get_fs();

	/* Don't copy debug registers */

	memset(&p->thread.per_info, 0, sizeof(p->thread.per_info));

	clear_tsk_thread_flag(p, TIF_SINGLE_STEP);

	/* Initialize per thread user and system timer values */

	ti = task_thread_info(p);

	ti->user_timer = 0;