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| author | Ian Munsie <imunsie@au1.ibm.com> | 2014-10-08 19:54:52 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-10-08 20:15:37 +1100 |
| commit | be3ebfe8215392b714349554c5138b8b6592fe20 (patch) | |
| tree | 7030d8385c98edb8fa926ab9686b5ece3506958f /arch/powerpc | |
| parent | 73d16a6e0e51990cbe13f8d8f43bd5329bbab30a (diff) | |
| download | linux-be3ebfe8215392b714349554c5138b8b6592fe20.tar.gz | |
powerpc/cell: Make spu_flush_all_slbs() generic
This moves spu_flush_all_slbs() into a generic call copro_flush_all_slbs(). This will be useful when we add cxl which also needs a similar SLB flush call. Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/copro.h | 6 | ||||
| -rw-r--r-- | arch/powerpc/mm/copro_fault.c | 9 | ||||
| -rw-r--r-- | arch/powerpc/mm/hash_utils_64.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/mm/slice.c | 10 |
4 files changed, 21 insertions, 14 deletions
diff --git a/arch/powerpc/include/asm/copro.h b/arch/powerpc/include/asm/copro.h index b0e6a183181f..ce216df31381 100644 --- a/arch/powerpc/include/asm/copro.h +++ b/arch/powerpc/include/asm/copro.h @@ -20,4 +20,10 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea, int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb); + +#ifdef CONFIG_PPC_COPRO_BASE +void copro_flush_all_slbs(struct mm_struct *mm); +#else +static inline void copro_flush_all_slbs(struct mm_struct *mm) {} +#endif #endif /* _ASM_POWERPC_COPRO_H */ diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c index a15a23efc0e2..f2aa5a81ad9c 100644 --- a/arch/powerpc/mm/copro_fault.c +++ b/arch/powerpc/mm/copro_fault.c @@ -25,6 +25,7 @@ #include <linux/export.h> #include <asm/reg.h> #include <asm/copro.h> +#include <asm/spu.h> /* * This ought to be kept in sync with the powerpc specific do_page_fault @@ -136,3 +137,11 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb) return 0; } EXPORT_SYMBOL_GPL(copro_calculate_slb); + +void copro_flush_all_slbs(struct mm_struct *mm) +{ +#ifdef CONFIG_SPU_BASE + spu_flush_all_slbs(mm); +#endif +} +EXPORT_SYMBOL_GPL(copro_flush_all_slbs); diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index dd73b63f9479..0842b726b03f 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -51,7 +51,7 @@ #include <asm/cacheflush.h> #include <asm/cputable.h> #include <asm/sections.h> -#include <asm/spu.h> +#include <asm/copro.h> #include <asm/udbg.h> #include <asm/code-patching.h> #include <asm/fadump.h> @@ -901,9 +901,7 @@ void demote_segment_4k(struct mm_struct *mm, unsigned long addr) if (get_slice_psize(mm, addr) == MMU_PAGE_4K) return; slice_set_range_psize(mm, addr, 1, MMU_PAGE_4K); -#ifdef CONFIG_SPU_BASE - spu_flush_all_slbs(mm); -#endif + copro_flush_all_slbs(mm); if (get_paca_psize(addr) != MMU_PAGE_4K) { get_paca()->context = mm->context; slb_flush_and_rebolt(); @@ -1141,9 +1139,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) "to 4kB pages because of " "non-cacheable mapping\n"); psize = mmu_vmalloc_psize = MMU_PAGE_4K; -#ifdef CONFIG_SPU_BASE - spu_flush_all_slbs(mm); -#endif + copro_flush_all_slbs(mm); } } diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 86f6a755af0b..8d7bda94d196 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -33,7 +33,7 @@ #include <linux/hugetlb.h> #include <asm/mman.h> #include <asm/mmu.h> -#include <asm/spu.h> +#include <asm/copro.h> #include <asm/hugetlb.h> /* some sanity checks */ @@ -234,9 +234,7 @@ static void slice_convert(struct mm_struct *mm, struct slice_mask mask, int psiz spin_unlock_irqrestore(&slice_convert_lock, flags); -#ifdef CONFIG_SPU_BASE - spu_flush_all_slbs(mm); -#endif + copro_flush_all_slbs(mm); } /* @@ -673,9 +671,7 @@ void slice_set_psize(struct mm_struct *mm, unsigned long address, spin_unlock_irqrestore(&slice_convert_lock, flags); -#ifdef CONFIG_SPU_BASE - spu_flush_all_slbs(mm); -#endif + copro_flush_all_slbs(mm); } void slice_set_range_psize(struct mm_struct *mm, unsigned long start, |