Message ID | b7bdf4b6e066671119a897d4d3dda800a096e0b5.1302503867.git.michael@ellerman.id.au (mailing list archive) |
---|---|
State | Rejected |
Headers | show |
On Mon, 2011-04-11 at 16:35 +1000, Michael Ellerman wrote: > Use MMU_NO_CONTEXT as the initialiser for mm_context.id on book3e > and hash64. This breaks 40x, new patch coming. cheers
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index 17194fc..f6e7d40 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -192,6 +192,8 @@ extern unsigned int tlbcam_index; +#define MMU_NO_CONTEXT ((unsigned int)-1) + typedef struct { unsigned int id; unsigned int active; diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h index ae7b3ef..b589189 100644 --- a/arch/powerpc/include/asm/mmu-hash64.h +++ b/arch/powerpc/include/asm/mmu-hash64.h @@ -409,6 +409,8 @@ static inline void subpage_prot_init_new_context(struct mm_struct *mm) { } typedef unsigned long mm_context_id_t; +#define MMU_NO_CONTEXT 0 + typedef struct { mm_context_id_t id; u16 user_psize; /* page size index */ diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index d50a380..852b139 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -32,8 +32,6 @@ struct vm_area_struct; struct mm_struct; -#define MMU_NO_CONTEXT ((unsigned int)-1) - extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); diff --git a/arch/powerpc/mm/mmu_context_hash64.c b/arch/powerpc/mm/mmu_context_hash64.c index 2535828..c585944 100644 --- a/arch/powerpc/mm/mmu_context_hash64.c +++ b/arch/powerpc/mm/mmu_context_hash64.c @@ -31,7 +31,6 @@ static DEFINE_IDA(mmu_context_ida); * Each segment contains 2^28 bytes. Each context maps 2^44 bytes, * so we can support 2^19-1 contexts (19 == 35 + 28 - 44). */ -#define NO_CONTEXT 0 #define MAX_CONTEXT ((1UL << 19) - 1) int __init_new_context(void) @@ -95,5 +94,5 @@ void destroy_context(struct mm_struct *mm) { __destroy_context(mm->context.id); subpage_prot_free(mm); - mm->context.id = NO_CONTEXT; + mm->context.id = MMU_NO_CONTEXT; }
Use MMU_NO_CONTEXT as the initialiser for mm_context.id on book3e and hash64. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> --- arch/powerpc/include/asm/mmu-book3e.h | 2 ++ arch/powerpc/include/asm/mmu-hash64.h | 2 ++ arch/powerpc/include/asm/tlbflush.h | 2 -- arch/powerpc/mm/mmu_context_hash64.c | 3 +-- 4 files changed, 5 insertions(+), 4 deletions(-)