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From: "Luck, Tony" <tony.luck@intel.com>
To: Al Viro <viro@ZenIV.linux.org.uk>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
CC: "linus-arch@vger.kernel.org" <linus-arch@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
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        Mike Frysinger <vapier@gentoo.org>,
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        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Hirokazu Takata <takata@linux-m32r.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Michal Simek <monstr@monstr.eu>, Jonas Bonn <jonas@southpole.se>,
        "James E.J. Bottomley" <jejb@parisc-linux.org>,
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        Chris Metcalf <cmetcalf@tilera.com>,
        Yoshinori Sato <ysato@users.sourceforge.jp>,
        Guan Xuetao <gxt@mprc.pku.edu.cn>
Subject: RE: new execve/kernel_thread design
Thread-Topic: new execve/kernel_thread design
Thread-Index: AQHNq+6Tvf4Kwo9jKkmvR03nZz0CIJfBP/+A//+ia5A=
Date: Fri, 19 Oct 2012 17:16:50 +0000
Message-ID: <3908561D78D1C84285E8C5FCA982C28F19D57A82@ORSMSX108.amr.corp.intel.com>
References: <20121016223508.GR2616@ZenIV.linux.org.uk>
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> Surprisingly enough, ia64 one seems to work on actual hardware; I have sent
> Tony an incremental patch cleaning copy_thread() up, waiting for results of
> testing that on SMP box.

Tiny bit faster than plain 3.7-rc1. lmbench3 reports fork+execve test at between
558 to 567 usec with the new code, compared with 562-572 usec with the old.

-Tony
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