[PATCH 3/6] powerpc: Make STRICT_MM_TYPECHECKS a config option
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2015-03-25 09:12:13
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
The STRICT_MM_TYPECHECKS code has bit-rotted over the years. To make it possible to easily build test it, make it a CONFIG option. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/Kconfig.debug | 8 ++++++++ arch/powerpc/include/asm/page.h | 4 +--- arch/powerpc/include/asm/pgtable-ppc64.h | 2 +- 3 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index ec2e40f2cc11..777108f4acab 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug@@ -19,6 +19,14 @@ config PPC_WERROR depends on !PPC_DISABLE_WERROR default y +config STRICT_MM_TYPECHECKS + bool "Do extra type checking on mm types" + default n + help + This option turns on extra type checking for some mm related types. + + If you don't know what this means, say N. + config PRINT_STACK_DEPTH int "Stack depth to print" if DEBUG_KERNEL default 64
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 69c059887a2c..71294a6e976e 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h@@ -278,9 +278,7 @@ extern long long virt_phys_offset; #ifndef __ASSEMBLY__ -#undef STRICT_MM_TYPECHECKS - -#ifdef STRICT_MM_TYPECHECKS +#ifdef CONFIG_STRICT_MM_TYPECHECKS /* These are used to make use of C type-checking. */ /* PTE level */
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 43e6ad424c7f..f951d9cf358a 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h@@ -118,7 +118,7 @@ */ #ifndef __real_pte -#ifdef STRICT_MM_TYPECHECKS +#ifdef CONFIG_STRICT_MM_TYPECHECKS #define __real_pte(e,p) ((real_pte_t){(e)}) #define __rpte_to_pte(r) ((r).pte) #else
--
2.1.0