From: Thomas Gleixner <tglx@linutronix.de>
To: Mans Rullgard <mans@mansr.com>
Cc: "Sekhar Nori" <nsekhar@ti.com>,
"Kevin Hilman" <khilman@deeprootsystems.com>,
"Russell King" <linux@arm.linux.org.uk>,
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"Krzysztof Halasa" <khalasa@piap.pl>,
"Eric Miao" <eric.y.miao@gmail.com>,
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"Andrew Lunn" <andrew@lunn.ch>,
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"Sudeep Holla" <sudeep.holla@arm.com>,
"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
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Subject: Re: [PATCH] sched_clock: add data pointer argument to read callback
Date: Sun, 11 Oct 2015 22:40:53 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1510112238380.6097@nanos> (raw)
In-Reply-To: <1444427858-576-1-git-send-email-mans@mansr.com>
Mans,
On Fri, 9 Oct 2015, Mans Rullgard wrote:
> This passes a data pointer specified in the sched_clock_register()
> call to the read callback allowing simpler implementations thereof.
>
> In this patch, existing uses of this interface are simply updated
> with a null pointer.
I can't see any simplifaction of any driver. This is called in hot
pathes and that extra unused argument just adds register pressure for
no value.
What are you actually trying to solve?
Thanks,
tglx
next prev parent reply other threads:[~2015-10-11 20:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1444427858-576-1-git-send-email-mans@mansr.com>
2015-10-09 23:20 ` Russell King - ARM Linux
2015-10-09 23:48 ` Måns Rullgård
2015-10-09 23:54 ` Russell King - ARM Linux
2015-10-10 0:42 ` Måns Rullgård
2015-10-10 15:33 ` Russell King - ARM Linux
2015-10-11 20:40 ` Thomas Gleixner [this message]
2015-10-12 13:02 ` Gregory CLEMENT
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