Re: [PATCH v2 19/21] livepatch: Convert timeouts to secs_to_jiffies()

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On Sat 2024-11-16 11:10:52, Christophe Leroy wrote:
> 
> 
> Le 15/11/2024 à 22:26, Easwar Hariharan a écrit :
> > [Vous ne recevez pas souvent de courriers de eahariha@xxxxxxxxxxxxxxxxxxx. Découvrez pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ]
> > 
> > Changes made with the following Coccinelle rules:
> > 
> > @@ constant C; @@
> > 
> > - msecs_to_jiffies(C * 1000)
> > + secs_to_jiffies(C)
> > 
> > @@ constant C; @@
> > 
> > - msecs_to_jiffies(C * MSEC_PER_SEC)
> > + secs_to_jiffies(C)
> > 
> > Signed-off-by: Easwar Hariharan <eahariha@xxxxxxxxxxxxxxxxxxx>
> > ---
> >   samples/livepatch/livepatch-callbacks-busymod.c |  2 +-
> >   samples/livepatch/livepatch-shadow-fix1.c       |  2 +-
> >   samples/livepatch/livepatch-shadow-mod.c        | 10 +++++-----
> >   3 files changed, 7 insertions(+), 7 deletions(-)
> > 
> > diff --git a/samples/livepatch/livepatch-callbacks-busymod.c b/samples/livepatch/livepatch-callbacks-busymod.c
> > index 378e2d40271a9717d09eff51d3d3612c679736fc..d0fd801a7c21b7d7939c29d83f9d993badcc9aba 100644
> > --- a/samples/livepatch/livepatch-callbacks-busymod.c
> > +++ b/samples/livepatch/livepatch-callbacks-busymod.c
> > @@ -45,7 +45,7 @@ static int livepatch_callbacks_mod_init(void)
> >   {
> >          pr_info("%s\n", __func__);
> >          schedule_delayed_work(&work,
> > -               msecs_to_jiffies(1000 * 0));
> > +               secs_to_jiffies(0));
> 
> Using secs_to_jiffies() is pointless, 0 is universal, should become
> schedule_delayed_work(&work, 0);

Yes, schedule_delayed_work(&work, 0) looks like the right solution.

Or even better, it seems that the delayed work might get replaced by
a normal workqueue work.

Anyway, I am working on a patchset which would remove this sample
module. There is no need to put much effort into the clean up
of this particular module. Do whatever is easiest for you.

Best Regards,
Petr




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