From: Weirich, Bernhard Date: Thu, 24 Sep 2009 07:16:53 +0000 (+1000) Subject: powerpc: Fix incorrect setting of __HAVE_ARCH_PTE_SPECIAL X-Git-Tag: v2.6.30.9~7 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9eab65aba2fd0c94fa702a9e5dfd843de07f6dc4;p=thirdparty%2Fkernel%2Fstable.git powerpc: Fix incorrect setting of __HAVE_ARCH_PTE_SPECIAL [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 Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Greg Kroah-Hartman --- diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index a7e210b6b48c3..0cd2e3433e1cc 100644 --- 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_PAGE_SIZE(void); #define HAVE_PAGE_AGP /* Advertise support for _PAGE_SPECIAL */ -#ifdef _PAGE_SPECIAL +#if _PAGE_SPECIAL != 0 #define __HAVE_ARCH_PTE_SPECIAL #endif