Messages in this thread | | | From | Uladzislau Rezki <> | Date | Wed, 15 Dec 2021 20:43:58 +0100 | Subject | Re: [PATCH] mfd: dln2: Switch to kvfree_rcu() API |
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On Wed, Dec 15, 2021 at 12:18:41PM +0100, Uladzislau Rezki (Sony) wrote: > Instead of invoking a synchronize_rcu() to free a pointer > after a grace period we can directly make use of new API > that does the same but in more efficient way. > > TO: Lee Jones <lee.jones@linaro.org> > TO: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com> > Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> > --- > drivers/mfd/dln2.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > > diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c > index 852129ea0766..365e3e77cac4 100644 > --- a/drivers/mfd/dln2.c > +++ b/drivers/mfd/dln2.c > @@ -179,10 +179,8 @@ void dln2_unregister_event_cb(struct platform_device *pdev, u16 id) > > spin_unlock_irqrestore(&dln2->event_cb_lock, flags); > > - if (found) { > - synchronize_rcu(); > - kfree(i); > - } > + if (found) > + kvfree_rcu(i); > } > EXPORT_SYMBOL(dln2_unregister_event_cb); > > -- > 2.30.2 > + Lee Jones <lee.jones@linaro.org> + Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
-- Vlad Rezki
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