From ba57583396585a1ca509e2a84d970a2ff3f9bbfb Mon Sep 17 00:00:00 2001 From: James Bottomley Date: Wed, 22 Mar 2006 09:42:04 -0700 Subject: [PATCH] [PARISC] Add parisc implementation of flush_kernel_dcache_page() We need to do a little renaming of our original syntax because of the difference in arguments. Signed-off-by: James Bottomley Signed-off-by: Kyle McMartin --- arch/parisc/kernel/cache.c | 6 +++--- arch/parisc/kernel/pacache.S | 4 ++-- include/asm-parisc/cache.h | 2 +- include/asm-parisc/cacheflush.h | 9 ++++++++- include/asm-parisc/page.h | 2 +- 5 files changed, 15 insertions(+), 8 deletions(-) diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index d8a4ca021a..360b7391cb 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -89,7 +89,7 @@ update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) if (pfn_valid(page_to_pfn(page)) && page_mapping(page) && test_bit(PG_dcache_dirty, &page->flags)) { - flush_kernel_dcache_page(page_address(page)); + flush_kernel_dcache_page(page); clear_bit(PG_dcache_dirty, &page->flags); } } @@ -278,7 +278,7 @@ void flush_dcache_page(struct page *page) return; } - flush_kernel_dcache_page(page_address(page)); + flush_kernel_dcache_page(page); if (!mapping) return; @@ -317,7 +317,7 @@ EXPORT_SYMBOL(flush_dcache_page); /* Defined in arch/parisc/kernel/pacache.S */ EXPORT_SYMBOL(flush_kernel_dcache_range_asm); -EXPORT_SYMBOL(flush_kernel_dcache_page); +EXPORT_SYMBOL(flush_kernel_dcache_page_asm); EXPORT_SYMBOL(flush_data_cache_local); EXPORT_SYMBOL(flush_kernel_icache_range_asm); diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index 9534ee17b9..7a4f07e8d3 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -621,9 +621,9 @@ __clear_user_page_asm: .procend - .export flush_kernel_dcache_page + .export flush_kernel_dcache_page_asm -flush_kernel_dcache_page: +flush_kernel_dcache_page_asm: .proc .callinfo NO_CALLS .entry diff --git a/include/asm-parisc/cache.h b/include/asm-parisc/cache.h index ae50f8e12e..c831665473 100644 --- a/include/asm-parisc/cache.h +++ b/include/asm-parisc/cache.h @@ -48,7 +48,7 @@ extern void flush_user_icache_range_asm(unsigned long, unsigned long); extern void flush_kernel_icache_range_asm(unsigned long, unsigned long); extern void flush_user_dcache_range_asm(unsigned long, unsigned long); extern void flush_kernel_dcache_range_asm(unsigned long, unsigned long); -extern void flush_kernel_dcache_page(void *); +extern void flush_kernel_dcache_page_asm(void *); extern void flush_kernel_icache_page(void *); extern void disable_sr_hashing(void); /* turns off space register hashing */ extern void disable_sr_hashing_asm(int); /* low level support for above */ diff --git a/include/asm-parisc/cacheflush.h b/include/asm-parisc/cacheflush.h index 482be77551..76b6b7d604 100644 --- a/include/asm-parisc/cacheflush.h +++ b/include/asm-parisc/cacheflush.h @@ -62,7 +62,7 @@ extern void flush_dcache_page(struct page *page); #define flush_dcache_mmap_unlock(mapping) \ write_unlock_irq(&(mapping)->tree_lock) -#define flush_icache_page(vma,page) do { flush_kernel_dcache_page(page_address(page)); flush_kernel_icache_page(page_address(page)); } while (0) +#define flush_icache_page(vma,page) do { flush_kernel_dcache_page(page); flush_kernel_icache_page(page_address(page)); } while (0) #define flush_icache_range(s,e) do { flush_kernel_dcache_range_asm(s,e); flush_kernel_icache_range_asm(s,e); } while (0) @@ -192,6 +192,13 @@ flush_anon_page(struct page *page, unsigned long vmaddr) } #define ARCH_HAS_FLUSH_ANON_PAGE +static inline void +flush_kernel_dcache_page(struct page *page) +{ + flush_kernel_dcache_page_asm(page_address(page)); +} +#define ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE + #ifdef CONFIG_DEBUG_RODATA void mark_rodata_ro(void); #endif diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h index 9f303c0c3c..c6c9d57930 100644 --- a/include/asm-parisc/page.h +++ b/include/asm-parisc/page.h @@ -26,7 +26,7 @@ static inline void copy_user_page(void *vto, void *vfrom, unsigned long vaddr, struct page *pg) { copy_user_page_asm(vto, vfrom); - flush_kernel_dcache_page(vto); + flush_kernel_dcache_page_asm(vto); /* XXX: ppc flushes icache too, should we? */ } -- 2.39.5