From: Peter Zijlstra <peterz@infradead.org>
To: George Spelvin <linux@horizon.com>
Cc: zhaoxiu.zeng@gmail.com, akpm@linux-foundation.org,
dhowells@redhat.com, jwboyer@redhat.com,
linux-kernel@vger.kernel.org, mingo@kernel.org,
takahiro.akashi@linaro.org
Subject: Re: [PATCH 1/1] GCD: add binary GCD algorithm
Date: Fri, 15 Aug 2014 23:32:09 +0200 [thread overview]
Message-ID: <20140815213209.GM19379@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20140815201601.2497.qmail@ns.horizon.com>
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On Fri, Aug 15, 2014 at 04:16:01PM -0400, George Spelvin wrote:
> What I'd like is a better way to automatically configure "divide is
> slow" from an architecture.
So the usual thing and have arch/*/Kconfig select the fancy one if it
doesn't have a hardware divide instruction.
For instance:
arch/arm/Kconfig:
config ARM
...
select GCD_FANCY_ALGO if CPU_v6
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next prev parent reply other threads:[~2014-08-15 21:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-15 12:49 [PATCH 1/1] GCD: add binary GCD algorithm Zhaoxiu Zeng
2014-08-15 13:58 ` Peter Zijlstra
2014-08-15 16:41 ` zhaoxiu.zeng
2014-08-15 21:53 ` George Spelvin
2014-08-15 20:16 ` George Spelvin
2014-08-15 21:32 ` Peter Zijlstra [this message]
2014-08-22 21:31 ` Andrew Morton
2014-08-22 22:36 ` George Spelvin
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