From: Joe Perches <joe@perches.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Crt Mori <cmo@melexis.com>, Jonathan Cameron <jic23@kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Ian Abbott <abbotti@mev.co.uk>,
Larry Finger <Larry.Finger@lwfinger.net>,
Niklas Soderlund <niklas.soderlund+renesas@ragnatech.se>,
Thomas Gleixner <tglx@linutronix.de>,
Krzysztof Kozlowski <krzk@kernel.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org
Subject: Re: [PATCH v7 1/3] lib: Add strongly typed 64bit int_sqrt
Date: Tue, 19 Dec 2017 08:14:19 -0800 [thread overview]
Message-ID: <1513700059.1234.42.camel@perches.com> (raw)
In-Reply-To: <20171219161245.cbjmod7ak5scio7d@hirez.programming.kicks-ass.net>
On Tue, 2017-12-19 at 17:12 +0100, Peter Zijlstra wrote:
> On Tue, Dec 19, 2017 at 08:09:53AM -0800, Joe Perches wrote:
> >
> > I suspect you need to define this as:
> >
> > #define int_sqrt64(x) ((u32)int_sqrt(x))
>
> What's wrong with using C ?
Duh. Nothing at all.
> static inline u32 int_sqrt64(u64 x)
> {
> return int_sqrt(x);
> }
next prev parent reply other threads:[~2017-12-19 16:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-19 15:59 [PATCH v7 1/3] lib: Add strongly typed 64bit int_sqrt Crt Mori
2017-12-19 16:09 ` Joe Perches
2017-12-19 16:12 ` Peter Zijlstra
2017-12-19 16:14 ` Joe Perches [this message]
2017-12-20 9:35 ` Crt Mori
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