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| author |   Christophe Leroy <christophe.leroy@c-s.fr> | 2020-01-14 07:14:40 +0000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2020-01-23 21:31:11 +1100 |
| commit | 1e1c8b2cc37afb333c1829e8e0360321813bf220 (patch) | |
| tree | 661a08d00e04d9351bb5b1ab39eac4f6cac5b4b5 /arch/powerpc/mm | |
| parent | powerpc/64s: Reimplement power4_idle code in C (diff) | |
| download | linux-dev-1e1c8b2cc37afb333c1829e8e0360321813bf220.tar.xz linux-dev-1e1c8b2cc37afb333c1829e8e0360321813bf220.zip | |
powerpc/ptdump: don't entirely rebuild kernel when selecting CONFIG_PPC_DEBUG_WX
Selecting CONFIG_PPC_DEBUG_WX only impacts ptdump and pgtable_32/64
init calls. Declaring related functions in asm/pgtable.h implies
rebuilding almost everything.
Move ptdump_check_wx() declaration in mm/mmu_decl.h
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/bf34fd9dca61eadf9a134a9f89ebbc162cfd5f86.1578986011.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/mmu_decl.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/ptdump/ptdump.c | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mmu_decl.h b/arch/powerpc/mm/mmu_decl.h index 8e99649c24fc..7097e07a209a 100644 --- a/arch/powerpc/mm/mmu_decl.h +++ b/arch/powerpc/mm/mmu_decl.h @@ -181,3 +181,9 @@ void mmu_mark_rodata_ro(void); static inline void mmu_mark_initmem_nx(void) { } static inline void mmu_mark_rodata_ro(void) { } #endif + +#ifdef CONFIG_PPC_DEBUG_WX +void ptdump_check_wx(void); +#else +static inline void ptdump_check_wx(void) { } +#endif diff --git a/arch/powerpc/mm/ptdump/ptdump.c b/arch/powerpc/mm/ptdump/ptdump.c index 2f9ddc29c535..4af0d5d9589e 100644 --- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -24,6 +24,8 @@ #include <asm/page.h> #include <asm/pgalloc.h> +#include <mm/mmu_decl.h> + #include "ptdump.h" /* |