linux-kernel - Re: [PATCH] x86: Unify mmap

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Message-ID: <20071211104321.GA21513@elte.hu>
Date:	Tue, 11 Dec 2007 11:43:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Harvey Harrison <harvey.harrison@...il.com>
Cc:	Jiri Kosina <jkosina@...e.cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86: Unify mmap_{32|64}.c


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Harvey Harrison <harvey.harrison@...il.com> wrote:
> 
> > mmap_is_ia32 always true for X86_32, or while emulating IA32 on X86_64
> > 
> > Randomization not supported on X86_32 in legacy layout.  Both layouts 
> > allow randomization on X86_64.
> 
> thanks for sorting this out - this looks really clean now. I've added 
> your patch to x86.git.

hm, it fails to boot on Fedora 8:

 Freeing unused kernel memory: 296k freed
 Write protecting the kernel read-only data: 1500k
 mount[623]: segfault at 0000000b ip 4d681ab6 sp bf9a1b94 error 6
 modprobe[625]: segfault at 0000000b ip 4d681ab6 sp bffd9994 error 6
 consoletype[629]: segfault at 0000000b ip 4d681ab6 sp bfb6ad14 error 6
 awk[632]: segfault at 0000000b ip 4d681ab6 sp bffe68c4 error 6
 fstab-decode[633]: segfault at 0000000b ip 4d681ab6 sp bff1c8c4 error 6
 setsysfont[634]: segfault at 0000000b ip 4d681ab6 sp bfdd0f74 error 6
 hwclock[637]: segfault at 0000000b ip 4d681ab6 sp bf963304 error 6
 touch[642]: segfault at 0000000b ip 4d681ab6 sp bf98cb34 error 6
 modprobe[651]: segfault at 0000000b ip 4d681ab6 sp bfbc0564 error 6
 rhgb-client[654]: segfault at 0000000b ip 4d681ab6 sp bfe9c024 error 6

kernel config attached.

	Ingo

View attachment "config" of type "text/plain" (72600 bytes)