Re: [RFC PATCH v1 13/50] Avoid some useless msecs/jiffies conversions

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To: George Spelvin <lkml@xxxxxxx>
Subject: Re: [RFC PATCH v1 13/50] Avoid some useless msecs/jiffies conversions
From: Takashi Iwai <tiwai@xxxxxxx>
Date: Sun, 29 Mar 2020 09:52:23 +0200
Cc: <linux-kernel@xxxxxxxxxxxxxxx>, Hannes Reinecke <hare@xxxxxxx>, <linux-scsi@xxxxxxxxxxxxxxx>, Marek Lindner <mareklindner@xxxxxxxxxxxxx>, Simon Wunderlich <sw@xxxxxxxxxxxxxxxxxx>, Antonio Quartulli <a@xxxxxxxxxxx>, Sven Eckelmann <sven@xxxxxxxxxxxxx>, <b.a.t.m.a.n@xxxxxxxxxxxxxxxxxxxxxx>, Johannes Berg <johannes@xxxxxxxxxxxxxxxx>, <linux-wireless@xxxxxxxxxxxxxxx>, Jaroslav Kysela <perex@xxxxxxxx>, Takashi Iwai <tiwai@xxxxxxxx>, <alsa-devel@xxxxxxxxxxxxxxxx>
In-reply-to: <202003281643.02SGhBrh000992@sdf.org>
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On Thu, 22 Aug 2019 02:25:10 +0200,
George Spelvin wrote:
> Likewise, "msecs_to_jiffies(seconds * 1000)" is more
> conveniently written "seconds * HZ".

I thought the compiler already optimizes to the constant calculation
for the above case?


thanks,

Takashi

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