From: Weirich, Bernhard <[email protected]> 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 <[email protected]> Signed-off-by: Benjamin Herrenschmidt <[email protected]> --- arch/powerpc/include/asm/pte-common.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) Greg: 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. This should apply to v2.6.30 and v2.6.31 diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index a7e210b..0cd2e34 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 _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
