linux-kernel - Re: [PATCH] char: ipmi: convert tasklets to use new tasklet

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Date:   Tue, 18 Aug 2020 14:46:23 +0530
From:   Allen <allen.lkml@...il.com>
To:     minyard@....org
Cc:     Allen Pais <allen.cryptic@...il.com>, jdike@...toit.com,
        richard@....at, anton.ivanov@...bridgegreys.com, 3chas3@...il.com,
        axboe@...nel.dk, stefanr@...6.in-berlin.de, airlied@...ux.ie,
        daniel@...ll.ch, sre@...nel.org,
        James.Bottomley@...senpartnership.com, kys@...rosoft.com,
        deller@....de, dmitry.torokhov@...il.com, jassisinghbrar@...il.com,
        shawnguo@...nel.org, s.hauer@...gutronix.de,
        maximlevitsky@...il.com, oakad@...oo.com,
        Ulf Hansson <ulf.hansson@...aro.org>,
        mporter@...nel.crashing.org, alex.bou9@...il.com,
        broonie@...nel.org, martyn@...chs.me.uk, manohar.vanga@...il.com,
        mitch@...oth.com, David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-block@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        openipmi-developer@...ts.sourceforge.net,
        linux1394-devel@...ts.sourceforge.net,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-hyperv@...r.kernel.org, linux-parisc@...r.kernel.org,
        linux-input@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-ntb@...glegroups.com, linux-s390@...r.kernel.org,
        linux-spi@...r.kernel.org, devel@...verdev.osuosl.org,
        Romain Perier <romain.perier@...il.com>
Subject: Re: [PATCH] char: ipmi: convert tasklets to use new tasklet_setup() API

> >
> > Signed-off-by: Romain Perier <romain.perier@...il.com>
> > Signed-off-by: Allen Pais <allen.lkml@...il.com>
>
> This looks good to me.
>
> Reviewed-by: Corey Minyard <cminyard@...sta.com>
>
> Are you planning to push this, or do you want me to take it?  If you
> want me to take it, what is the urgency?

 Thanks. Well, not hurry, as long as it goes into 5.9 with all other
changes.


>
> -corey
>
> > ---
> >  drivers/char/ipmi/ipmi_msghandler.c | 13 ++++++-------
> >  1 file changed, 6 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
> > index 737c0b6b24ea..e1814b6a1225 100644
> > --- a/drivers/char/ipmi/ipmi_msghandler.c
> > +++ b/drivers/char/ipmi/ipmi_msghandler.c
> > @@ -39,7 +39,7 @@
> >
> >  static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void);
> >  static int ipmi_init_msghandler(void);
> > -static void smi_recv_tasklet(unsigned long);
> > +static void smi_recv_tasklet(struct tasklet_struct *t);
> >  static void handle_new_recv_msgs(struct ipmi_smi *intf);
> >  static void need_waiter(struct ipmi_smi *intf);
> >  static int handle_one_recv_msg(struct ipmi_smi *intf,
> > @@ -3430,9 +3430,8 @@ int ipmi_add_smi(struct module         *owner,
> >       intf->curr_seq = 0;
> >       spin_lock_init(&intf->waiting_rcv_msgs_lock);
> >       INIT_LIST_HEAD(&intf->waiting_rcv_msgs);
> > -     tasklet_init(&intf->recv_tasklet,
> > -                  smi_recv_tasklet,
> > -                  (unsigned long) intf);
> > +     tasklet_setup(&intf->recv_tasklet,
> > +                  smi_recv_tasklet);
> >       atomic_set(&intf->watchdog_pretimeouts_to_deliver, 0);
> >       spin_lock_init(&intf->xmit_msgs_lock);
> >       INIT_LIST_HEAD(&intf->xmit_msgs);
> > @@ -4467,10 +4466,10 @@ static void handle_new_recv_msgs(struct ipmi_smi *intf)
> >       }
> >  }
> >
> > -static void smi_recv_tasklet(unsigned long val)
> > +static void smi_recv_tasklet(struct tasklet_struct *t)
> >  {
> >       unsigned long flags = 0; /* keep us warning-free. */
> > -     struct ipmi_smi *intf = (struct ipmi_smi *) val;
> > +     struct ipmi_smi *intf = from_tasklet(intf, t, recv_tasklet);
> >       int run_to_completion = intf->run_to_completion;
> >       struct ipmi_smi_msg *newmsg = NULL;
> >
> > @@ -4542,7 +4541,7 @@ void ipmi_smi_msg_received(struct ipmi_smi *intf,
> >               spin_unlock_irqrestore(&intf->xmit_msgs_lock, flags);
> >
> >       if (run_to_completion)
> > -             smi_recv_tasklet((unsigned long) intf);
> > +             smi_recv_tasklet(&intf->recv_tasklet);
> >       else
> >               tasklet_schedule(&intf->recv_tasklet);
> >  }
> > --
> > 2.17.1
> >



-- 
       - Allen