linux-kernel - Re: [PATCH] sparc, exec: remove redundant addr

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Message-ID: <BANLkTikU44wjhzSLxP9XPcpsfkhQaGhayw@mail.gmail.com>
Date:	Sat, 11 Jun 2011 18:01:06 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	viro@...iv.linux.org.uk, minipli@...glemail.com,
	akpm@...ux-foundation.org, sparclinux@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sparc, exec: remove redundant addr_limit assignment

On Sat, Jun 11, 2011 at 5:58 PM, David Miller <davem@...emloft.net> wrote:
>
> The reason the test is only in this specific spot, is that's the only
> place where the optimization makes any sense.

Well, considering that it didn't make any sense there *either*, that's
kind of pointless.

We always had the unconditional "set_fs()" in the exec path. It only
got moved, and as part of that conscious effort, the pointless
architecture churn is getting cleaned up.

                         Linus
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