lkml.org 
[lkml]   [2015]   [Jul]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] kthread: export park/unpark facility
On 07/08/2015 08:40 PM, Jean Tourrilhes wrote:
> Hi,
>
> The kthread park/unpark facility is not used in the kernel

kernel/smpboot.c ?


> , so one would assume that it's made for kernel modules. This patch should
> definitely help most modules.
> Patch untested, at your own risks...
> Regards,
>
> Jean
>
> Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com>
>
> diff -u -p linux-3.18.17/kernel/kthread.j2.c linux-3.18.17/kernel/kthread.c
> --- linux-3.18.17/kernel/kthread.j2.c 2015-07-08 17:01:39.010554169 -0700
> +++ linux-3.18.17/kernel/kthread.c 2015-07-08 17:09:13.016096189 -0700
> @@ -97,6 +97,7 @@ bool kthread_should_park(void)
> {
> return test_bit(KTHREAD_SHOULD_PARK, &to_kthread(current)->flags);
> }
> +EXPORT_SYMBOL(kthread_should_park);
>
> /**
> * kthread_freezable_should_stop - should this freezable kthread return now?
> @@ -171,6 +172,7 @@ void kthread_parkme(void)
> {
> __kthread_parkme(to_kthread(current));
> }
> +EXPORT_SYMBOL(kthread_parkme);
>
> static int kthread(void *_create)
> {
> @@ -411,6 +413,7 @@ void kthread_unpark(struct task_struct *
> if (kthread)
> __kthread_unpark(k, kthread);
> }
> +EXPORT_SYMBOL(kthread_unpark);
>
> /**
> * kthread_park - park a thread created by kthread_create().
> @@ -441,6 +444,7 @@ int kthread_park(struct task_struct *k)
> }
> return ret;
> }
> +EXPORT_SYMBOL(kthread_park);
>
> /**
> * kthread_stop - stop a thread created by kthread_create().



\
 
 \ /
  Last update: 2015-07-09 05:41    [W:0.136 / U:0.572 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site