[PATCH] powerpc/mm: define an empty slice_init_new_context_exec()
From: Christophe Leroy <hidden>
Date: 2018-12-10 12:23:08
Define slice_init_new_context_exec() at all time to avoid Signed-off-by: Christophe Leroy <redacted> --- arch/powerpc/include/asm/slice.h | 14 +++++++++----- arch/powerpc/mm/mmu_context_nohash.c | 2 -- 2 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/arch/powerpc/include/asm/slice.h b/arch/powerpc/include/asm/slice.h
index a595461c9cb0..44816cbc4198 100644
--- a/arch/powerpc/include/asm/slice.h
+++ b/arch/powerpc/include/asm/slice.h@@ -10,6 +10,10 @@ #include <asm/nohash/32/slice.h> #endif +#ifndef __ASSEMBLY__ + +struct mm_struct; + #ifdef CONFIG_PPC_MM_SLICES #ifdef CONFIG_HUGETLB_PAGE
@@ -18,10 +22,6 @@ #define HAVE_ARCH_UNMAPPED_AREA #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN -#ifndef __ASSEMBLY__ - -struct mm_struct; - unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, unsigned long flags, unsigned int psize, int topdown);
@@ -34,8 +34,12 @@ void slice_set_range_psize(struct mm_struct *mm, unsigned long start, void slice_init_new_context_exec(struct mm_struct *mm); void slice_setup_new_exec(void); -#endif /* __ASSEMBLY__ */ +#else /* CONFIG_PPC_MM_SLICES */ + +static inline void slice_init_new_context_exec(struct mm_struct *mm) {} #endif /* CONFIG_PPC_MM_SLICES */ +#endif /* __ASSEMBLY__ */ + #endif /* _ASM_POWERPC_SLICE_H */
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c
index 431ecf37f17c..22d71a58167f 100644
--- a/arch/powerpc/mm/mmu_context_nohash.c
+++ b/arch/powerpc/mm/mmu_context_nohash.c@@ -372,7 +372,6 @@ int init_new_context(struct task_struct *t, struct mm_struct *mm) { pr_hard("initing context for mm @%p\n", mm); -#ifdef CONFIG_PPC_MM_SLICES /* * We have MMU_NO_CONTEXT set to be ~0. Hence check * explicitly against context.id == 0. This ensures that we properly
@@ -382,7 +381,6 @@ int init_new_context(struct task_struct *t, struct mm_struct *mm) */ if (mm->context.id == 0) slice_init_new_context_exec(mm); -#endif mm->context.id = MMU_NO_CONTEXT; mm->context.active = 0; pte_frag_set(&mm->context, NULL);
--
2.13.3