This is a note to let you know that we have just queued up the patch titled
Subject: powerpc: Fix incorrect setting of __HAVE_ARCH_PTE_SPECIAL
to the 2.6.30-stable tree. Its filename is
powerpc-fix-incorrect-setting-of-__have_arch_pte_special.patch
A git repo of this tree can be found at
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
>From b...@kernel.crashing.org Thu Oct 1 15:36:15 2009
From: Weirich, Bernhard <bernhard.weir...@riedel.net>
Date: Thu, 24 Sep 2009 17:16:53 +1000
Subject: powerpc: Fix incorrect setting of __HAVE_ARCH_PTE_SPECIAL
To: stable <sta...@kernel.org>
Cc: linuxppc-dev list <linuxppc-...@ozlabs.org>, bernhard.weir...@riedel.net,
rfe...@mrv.com
Message-ID: <1253776613.7103.433.ca...@pasglop>
From: Weirich, Bernhard <bernhard.weir...@riedel.net>
[I'm going to fix upstream differently, by having all CPU types
actually support _PAGE_SPECIAL, but I prefer the simple and obvious
fix for -stable. -- Ben]
The test that decides whether to define __HAVE_ARCH_PTE_SPECIAL on
powerpc is bogus and will end up always defining it, even when
_PAGE_SPECIAL is not supported (in which case it's 0) such as on
8xx or 40x processors.
Signed-off-by: Bernhard Weirich <bernhard.weir...@riedel.net>
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <gre...@suse.de>
---
arch/powerpc/include/asm/pte-common.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -176,7 +176,7 @@ extern unsigned long bad_call_to_PMD_PAG
#define HAVE_PAGE_AGP
/* Advertise support for _PAGE_SPECIAL */
-#ifdef _PAGE_SPECIAL
+#if _PAGE_SPECIAL != 0
#define __HAVE_ARCH_PTE_SPECIAL
#endif
Patches currently in stable-queue which might be from
bernhard.weir...@riedel.net are
queue-2.6.30/powerpc-fix-incorrect-setting-of-__have_arch_pte_special.patch
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