Re: [PATCH] ksmbd: server: avoid busy polling in accept loop

[Namjae Jeon]

On Fri, Oct 31, 2025 at 4:49 PM Qingfang Deng <dqfext@xxxxxxxxx> wrote:
>
> On Fri, Oct 31, 2025 at 3:44 PM Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, Oct 31, 2025 at 03:32:06PM +0800, Qingfang Deng wrote:
> > > Hi Namjae,
> > >
> > > On Thu, Oct 30, 2025 at 4:11 PM Namjae Jeon <linkinjeon@xxxxxxxxxx> wrote:
> > > > > Fixes: 0626e6641f6b ("cifsd: add server handler for central processing and tranport layers")
> > > > > Signed-off-by: Qingfang Deng <dqfext@xxxxxxxxx>
> > > > Applied it to #ksmbd-for-next-next.
> > > > Thanks!
> > >
> > > I just found that this depends on another commit which is not in
> > > kernel versions earlier than v6.1:
> > > a7c01fa93aeb ("signal: break out of wait loops on kthread_stop()")
> > >
> > > With the current Fixes tag, this commit will be backported to v5.15
> > > automatically. But without said commit, kthread_stop() cannot wake up
> > > a blocking kernel_accept().
> > > Should I change the Fixes tag, or inform linux-stable not to backport
> > > this patch to v5.15?
> >
> > Email stable@xxxxxxxxxxxxxxx when it lands in Linus's tree to not
> > backport it that far.
>
> Noted. Thanks!
I think it would be better to use the stable tag + kernel version tag
instead of the fixes tag.

Cc: stable@xxxxxxxxxxxxxxx # v6.1+

Also, I don't think this patch necessarily needs to be merged into the
stable kernels.
Thanks.