Re: [PATCH RFC] kthread: Unify kernel_thread() and user_mode_thread()

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Hi, Andrew,

On Sat, May 13, 2023 at 7:53 AM Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> On Tue,  9 May 2023 18:41:27 +0800 Huacai Chen <chenhuacai@xxxxxxxxxxx> wrote:
>
> > Commit 343f4c49f2438d8 ("kthread: Don't allocate kthread_struct for init
> > and umh") introduces a new function user_mode_thread() for init and umh.
> > But the name is a bit confusing because init and umh are indeed kernel
> > threads at creation time, the real difference is "they will become user
> > processes". So let's unify the kernel_thread() and user_mode_thread() to
> > kernel_thread() again, and add a new 'user' parameter for init and umh.
> >
> > ...
> >
> >  5 files changed, 9 insertions(+), 26 deletions(-)
> >
>
> Less code is nice.
>
> > -extern pid_t user_mode_thread(int (*fn)(void *), void *arg, unsigned long flags);
> > +                         unsigned long flags, int user);
>
> `bool user'?
OK, I will do that in the next version if the whole patch is acceptable.

Huacai
>
>





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