Revert "kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live_k...
authorOleg Nesterov <oleg@redhat.com>
Tue, 29 Nov 2016 17:51:00 +0000 (18:51 +0100)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 8 Dec 2016 13:36:18 +0000 (14:36 +0100)
commiteff9662547f358239b98dfc4a8e6905b494e14d6
treeeca648100a1e7f823a3bc0f12aec06443f865e17
parent1da5c46fa965ff90f5ffc080b6ab3fae5e227bc3
Revert "kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live_kthread() function"

This reverts commit 23196f2e5f5d810578a772785807dcdc2b9fdce9.

Now that struct kthread is kmalloc'ed and not longer on the task stack
there is no need anymore to pin the stack.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chunming Zhou <David1.Zhou@amd.com>
Cc: Roman Pen <roman.penyaev@profitbricks.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Tejun Heo <tj@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20161129175100.GA5333@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
kernel/kthread.c