From: Paul Mackerras <paulus@samba.org>
To: "Albert Cahalan" <acahalan@gmail.com>
Cc: linuxppc-dev@ozlabs.org,
debian-powerpc <debian-powerpc@lists.debian.org>
Subject: Re: [PATCH] no-execute -- please test
Date: Mon, 14 Aug 2006 14:00:35 +1000 [thread overview]
Message-ID: <17631.62819.24167.555967@cargo.ozlabs.ibm.com> (raw)
In-Reply-To: <787b0d920608132020q4ad2b5c2y49e25ca7ecc33536@mail.gmail.com>
Albert Cahalan writes:
> This kernel patch implements no-execute protection (like x86 "NX bit")
> for the Mac G2, Mac G3, Mac G4, and other systems running 32-bit
> PowerPC processors in the 6xx, 7xx, and 7xxx families.
I'd be interested in benchmark comparisons with/without this patch, if
anyone cares to run lmbench, kernbench etc. with and without... If
the performance impact is minimal I'll be happy to apply it. If the
impact is noticeable then it might need to be selectable with a config
option.
Paul.
next prev parent reply other threads:[~2006-08-14 4:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-14 3:20 [PATCH] no-execute -- please test Albert Cahalan
2006-08-14 4:00 ` Paul Mackerras [this message]
2006-08-14 4:41 ` Albert Cahalan
2006-08-14 23:34 ` Paul Mackerras
2006-08-16 23:55 ` Benjamin Herrenschmidt
2006-08-20 17:48 ` Albert Cahalan
2006-08-14 4:02 ` Paul Mackerras
2006-08-14 4:33 ` Albert Cahalan
2006-08-14 8:46 ` Andreas Schwab
2006-08-14 9:19 ` Michel Dänzer
2006-08-14 16:02 ` Albert Cahalan
2006-08-14 16:08 ` Albert Cahalan
2006-08-14 16:20 ` Michel Dänzer
2006-08-19 3:47 ` Albert Cahalan
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