From: David Miller <davem@davemloft.net>
To: dpmcgee@gmail.com
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
paulus@samba.org
Subject: Re: [PATCH] powerpc/mm: remove hack in mmap randomize layout
Date: Mon, 17 Oct 2011 18:53:57 -0400 (EDT) [thread overview]
Message-ID: <20111017.185357.1185691091043314919.davem@davemloft.net> (raw)
In-Reply-To: <CAEik5nPXQXESnNLJCWd48LLiEYsN6MgnjKhd_a4SMHFGHBbm8w@mail.gmail.com>
From: Dan McGee <dpmcgee@gmail.com>
Date: Mon, 17 Oct 2011 17:43:11 -0500
> Aha, I wasn't aware this was also being done elsewhere as there was no
> comment to tip me off. I found the one in
> arch/sparc/kernel/sys_sparc_64.c (mmap_rnd) and have fixed that
> locally and will resend, but I'm not seeing get_random_int() in use
> anywhere else in that architecture so I'm not quite sure where your
> second mentioned location is- or did you just mean the two calls 2
> lines apart in mmap_rnd()?
My bad, I thought we had implemented address randomization on 32-bit
sparc as well, unfortunately we haven't even though sparc64 has it
for 32-bit compat tasks.
That should be fixed at some point, but is outside of the scope of
what you're doing.
Thanks!
next prev parent reply other threads:[~2011-10-17 22:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-17 20:17 [PATCH] powerpc/mm: remove hack in mmap randomize layout Dan McGee
2011-10-17 21:51 ` David Miller
2011-10-17 22:43 ` Dan McGee
2011-10-17 22:53 ` David Miller [this message]
2011-10-17 23:05 ` Dan McGee
2011-10-17 23:09 ` David Miller
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