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From: Thomas Gleixner <tglx@linutronix.de>
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To: David Laight <David.Laight@ACULAB.COM>, Geert Uytterhoeven
 <geert@linux-m68k.org>
Cc: Easwar Hariharan <eahariha@linux.microsoft.com>, "K. Y. Srinivasan"
 <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Wei Liu
 <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
 "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>, Anna-Maria
 Behnsen <anna-maria@linutronix.de>, Marcel Holtmann <marcel@holtmann.org>,
 Johan Hedberg <johan.hedberg@gmail.com>, Luiz Augusto von Dentz
 <luiz.dentz@gmail.com>, "linux-bluetooth@vger.kernel.org"
 <linux-bluetooth@vger.kernel.org>, "linux-kernel@vger.kernel.org"
 <linux-kernel@vger.kernel.org>, Michael Kelley <mhklinux@outlook.com>
Subject: RE: [PATCH v2 1/2] jiffies: Define secs_to_jiffies()
In-Reply-To: <6acb24504a454638848dd9adff7cb5dc@AcuMS.aculab.com>
References: <20241028-open-coded-timeouts-v2-0-c7294bb845a1@linux.microsoft.com>
 <20241028-open-coded-timeouts-v2-1-c7294bb845a1@linux.microsoft.com>
 <87wmhq28o6.ffs@tglx>
 <CAMuHMdWFAgfgM0uCrG4uMz77-Y8CFSnpL-YM_VEFuvKTPNKZ5w@mail.gmail.com>
 <87ed3y255a.ffs@tglx> <6acb24504a454638848dd9adff7cb5dc@AcuMS.aculab.com>
Date: Thu, 07 Nov 2024 00:55:05 +0100
Message-ID: <874j4jq5nq.ffs@tglx>
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On Wed, Nov 06 2024 at 22:19, David Laight wrote:
> From: Thomas Gleixner
>> Still the macro should be documented.
>
> I was wondering if it really had any purpose at all.
> It just obfuscates code, doesn't even make it smaller.

What is obfuscated here?

secs_to_jiffies() is clearly describing what this is about, while 5 * HZ
is not. Nothing in a driver has to care about the underlying conversion
of a time delta expressed in SI units to a jiffies based time delta.

Thanks,

        tglx