From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Oliver Neukum <oneukum@suse.de>
Cc: "Michal Malý" <madcatxster@devoid-pointer.net>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
jkosina@suse.cz, elias.vds@gmail.com, anssi.hannula@iki.fi,
simon@mungewell.org
Subject: Re: [PATCH v2 01/24] input: Add ff-memless-next module
Date: Wed, 23 Apr 2014 08:59:24 -0700 [thread overview]
Message-ID: <20140423155923.GB10531@core.coreip.homeip.net> (raw)
In-Reply-To: <1398255179.32091.1.camel@linux-fkkt.site>
On Wed, Apr 23, 2014 at 02:12:59PM +0200, Oliver Neukum wrote:
> On Tue, 2014-04-22 at 15:59 +0200, Michal Malý wrote:
> > +/* Some devices might have a limit on how many uncombinable effects
> > + * can be played at once */
> > +static int mlnx_upload_conditional(struct mlnx_device *mlnxdev,
> > + const struct ff_effect *effect)
> > +{
> > + struct mlnx_effect_command ecmd = {
> > + .cmd = MLNX_UPLOAD_UNCOMB,
> > + .u.uncomb.id = effect->id,
> > + .u.uncomb.effect = effect
> > + };
> > + return mlnxdev->control_effect(mlnxdev->dev, mlnxdev->private,
> > &ecmd);
> > +}
> > +
>
> This mean you are building the structure on the stack
>
> 1. Are you sure nobody retains a reference?
> 2. That is needlessly inefficient
Why is it inefficient?
--
Dmitry
next prev parent reply other threads:[~2014-04-23 15:59 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-22 13:59 [PATCH v2 00/24] input: Introduce ff-memless-next as an improved replacement for ff-memless Michal Malý
2014-04-22 13:59 ` [PATCH v2 01/24] input: Add ff-memless-next module Michal Malý
2014-04-23 12:12 ` Oliver Neukum
2014-04-23 12:30 ` Michal Malý
2014-04-23 13:31 ` Oliver Neukum
2014-04-23 15:59 ` Dmitry Torokhov [this message]
2014-04-23 17:06 ` Oliver Neukum
2014-04-23 17:24 ` Dmitry Torokhov
2014-04-22 13:59 ` [PATCH v2 02/24] input: Port arizona-haptics to ff-memless-next Michal Malý
2014-04-22 13:59 ` [PATCH v2 03/24] input: Port twl4030-vibra " Michal Malý
2014-04-22 13:59 ` [PATCH v2 04/24] input: Port twl6040-vibra " Michal Malý
2014-04-22 13:59 ` [PATCH v2 05/24] input: Port max8997_haptic " Michal Malý
2014-04-22 13:59 ` [PATCH v2 06/24] input: Port pm8xxx-vibrator " Michal Malý
2014-04-22 13:59 ` [PATCH v2 07/24] input: Port hid-axff " Michal Malý
2014-04-22 13:59 ` [PATCH v2 08/24] input: Port hid-emsff " Michal Malý
2014-04-22 13:59 ` [PATCH v2 09/24] input: Port hid-dr " Michal Malý
2014-04-23 13:41 ` Oliver Neukum
[not found] ` <5sjip0.n4hp0o.2szhuh-qmf@smtp.devoid-pointer.net>
[not found] ` <20140423154201.GA10531@core.coreip.homeip.net>
2014-04-23 15:47 ` simon
2014-04-23 15:57 ` Michal Malý
2014-04-24 10:32 ` Michal Malý
2014-04-27 8:22 ` Oliver Neukum
2014-04-22 13:59 ` [PATCH v2 10/24] input: Port hid-gaff " Michal Malý
2014-04-22 13:59 ` [PATCH v2 11/24] input: Port hid-holtekff " Michal Malý
2014-04-23 12:17 ` Oliver Neukum
2014-04-23 12:31 ` Michal Malý
2014-04-23 16:02 ` Dmitry Torokhov
2014-04-22 13:59 ` [PATCH v2 12/24] input: Port hid-lgff " Michal Malý
2014-04-22 13:59 ` [PATCH v2 13/24] input: Port hid-lg3ff " Michal Malý
2014-04-22 13:59 ` [PATCH v2 14/24] input: Port hid-pl " Michal Malý
2014-04-22 14:00 ` [PATCH v2 15/24] input: Port hid-sjoy " Michal Malý
2014-04-22 14:00 ` [PATCH v2 16/24] input: Port hid-sony " Michal Malý
2014-04-22 14:00 ` [PATCH v2 17/24] input: Port hid-tmff " Michal Malý
2014-04-22 14:00 ` [PATCH v2 18/24] input: Port hid-wiimote-modules " Michal Malý
2014-04-22 14:00 ` [PATCH v2 19/24] input: Port hid-zpff " Michal Malý
2014-04-22 14:00 ` [PATCH v2 20/24] input: Port gamecon " Michal Malý
2014-04-22 14:00 ` [PATCH v2 21/24] input: Port xpad " Michal Malý
2014-04-22 14:00 ` [PATCH v2 22/24] input: Port hid-lg2ff " Michal Malý
2014-04-22 14:00 ` [PATCH v2 23/24] input: Port hid-lg4ff " Michal Malý
2014-04-22 14:00 ` [PATCH v2 24/24] input: Replace ff-memless with ff-memless-next Michal Malý
-- strict thread matches above, loose matches on Subject: below --
2014-04-22 13:45 [PATCH v2 00/24] input: Introduce ff-memless-next as an improved replacement for ff-memless Michal Malý
2014-04-22 13:45 ` [PATCH v2 01/24] input: Add ff-memless-next module Michal Malý
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