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Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc

From Josh Poimboeuf <jpoimboe@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc
Date 2016-10-27 05:00 +0200
Message-ID <swJ57-4eE-5@gated-at.bofh.it> (permalink)
References <sw7Md-4N9-1@gated-at.bofh.it> <swaAq-6ET-17@gated-at.bofh.it> <swc9c-7vM-29@gated-at.bofh.it> <swdeW-8ec-11@gated-at.bofh.it> <swxdE-4QU-23@gated-at.bofh.it>
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On Wed, Oct 26, 2016 at 04:14:00PM +0200, Oleg Nesterov wrote:
> +/*
> + * TODO: kill it and use to_kthread(). But we still need the users
> + * like kthread_stop() which has to sync with the exiting kthread.
> + */
>  static struct kthread *to_live_kthread(struct task_struct *k)

Now that the kthread struct is no longer on the stack, are the
try_get_task_stack() and its corresponding put_task_stack()'s still
needed?

-- 
Josh

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Thread

[PATCH v3 1/1] kthread: allocate kthread structure using kmalloc Roman Pen <roman.penyaev@profitbricks.com> - 2016-10-25 13:10 +0200
  Re: [PATCH v3 1/1] kthread: allocate kthread structure using         kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-25 16:10 +0200
    Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc Roman Penyaev <roman.penyaev@profitbricks.com> - 2016-10-25 17:50 +0200
    Re: [PATCH v3 1/1] kthread: allocate kthread structure using         kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-25 17:50 +0200
      Re: [PATCH v3 1/1] kthread: allocate kthread structure using         kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-25 18:20 +0200
      Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc Roman Penyaev <roman.penyaev@profitbricks.com> - 2016-10-25 18:20 +0200
      Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc Andy Lutomirski <luto@amacapital.net> - 2016-10-25 19:00 +0200
        Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-26 16:20 +0200
          Re: [PATCH v3 1/1] kthread: allocate kthread structure using  kmalloc Thomas Gleixner <tglx@linutronix.de> - 2016-10-26 17:10 +0200
            Re: [PATCH v3 1/1] kthread: allocate kthread structure using         kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-26 18:00 +0200
              Re: [PATCH v3 1/1] kthread: allocate kthread structure using  kmalloc Thomas Gleixner <tglx@linutronix.de> - 2016-10-26 20:40 +0200
                [PATCH 2/2] Revert "kthread: Pin the stack via  try_get_task_stack()/put_task_stack() in to_live_kthread() function" Oleg Nesterov <oleg@redhat.com> - 2016-10-28 18:20 +0200
                Re: [PATCH 2/2] Revert "kthread: Pin the stack via  try_get_task_stack()/put_task_stack() in to_live_kthread() function" Thomas Gleixner <tglx@linutronix.de> - 2016-10-28 21:00 +0200
                [PATCH 0/2] kthread: make struct kthread kmalloc'ed Oleg Nesterov <oleg@redhat.com> - 2016-10-28 18:20 +0200
                [PATCH 1/2] kthread: make struct kthread kmalloc'ed Oleg Nesterov <oleg@redhat.com> - 2016-10-28 18:20 +0200
                Re: [PATCH 1/2] kthread: make struct kthread kmalloc'ed Thomas Gleixner <tglx@linutronix.de> - 2016-10-28 21:00 +0200
                Re: [PATCH 0/2] kthread: make struct kthread kmalloc'ed Thomas Gleixner <tglx@linutronix.de> - 2016-10-28 20:50 +0200
                [PATCH 0/2] kthread: kill to_live_kthread() Oleg Nesterov <oleg@redhat.com> - 2016-10-31 21:10 +0100
                [PATCH 1/2] kthread: don't use to_live_kthread() in kthread_stop() Oleg Nesterov <oleg@redhat.com> - 2016-10-31 21:10 +0100
                Re: [PATCH 1/2] kthread: don't use to_live_kthread() in  kthread_stop() Thomas Gleixner <tglx@linutronix.de> - 2016-11-09 09:10 +0100
                [PATCH 2/2] kthread: don't use to_live_kthread() in kthread_park()  and kthread_unpark() Oleg Nesterov <oleg@redhat.com> - 2016-10-31 21:10 +0100
                Re: [PATCH 2/2] kthread: don't use to_live_kthread() in kthread_park()  and kthread_unpark() Thomas Gleixner <tglx@linutronix.de> - 2016-11-09 09:50 +0100
                Re: [PATCH 2/2] kthread: don't use to_live_kthread() in         kthread_park() and kthread_unpark() Oleg Nesterov <oleg@redhat.com> - 2016-11-09 18:30 +0100
                [PATCH 1/1] kthread: don't abuse kthread_create_on_cpu() in  __kthread_create_worker() Oleg Nesterov <oleg@redhat.com> - 2016-11-10 18:30 +0100
                [PATCH 0/1] kthread: don't abuse kthread_create_on_cpu() in  __kthread_create_worker() Oleg Nesterov <oleg@redhat.com> - 2016-11-10 18:30 +0100
                Re: [PATCH 0/2] kthread: kill to_live_kthread() Andy Lutomirski <luto@amacapital.net> - 2016-11-07 19:40 +0100
          Re: [PATCH v3 1/1] kthread: allocate kthread structure using         kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-26 18:20 +0200
          Re: [PATCH v3 1/1] kthread: allocate kthread structure using kmalloc Josh Poimboeuf <jpoimboe@redhat.com> - 2016-10-27 05:00 +0200
            Re: [PATCH v3 1/1] kthread: allocate kthread structure using         kmalloc Oleg Nesterov <oleg@redhat.com> - 2016-10-27 16:00 +0200

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