linux-kernel - Re: [PATCH 00/36] AArch64 Linux kernel port

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Message-ID: <20120717105016.3ade44d3@pyramind.ukuu.org.uk>
Date:	Tue, 17 Jul 2012 10:50:16 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Jon Masters <jonathan@...masters.org>, Pavel Machek <pavel@....cz>,
	Catalin Marinas <catalin.marinas@....com>,
	Ingo Molnar <mingo@...nel.org>,
	Olof Johansson <olof@...om.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Russell King <linux@....linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 00/36] AArch64 Linux kernel port

> Right, I would say that with any CPU core more powerful than this one
> or with more than a few of these, you will also have trouble coming
> up with workloads that really require the CPU performance but don't
> also require a 64 bit virtual address space in either user space
> or kernel.

There are lots of them - soft radio for example can burn near infinite
CPU resource depending upon the amount you are fishing out, but its pure
throughput.

Alan
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