[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 <jejb@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index d8a4ca0..360b739 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -89,7 +89,7 @@
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 @@
return;
}
- flush_kernel_dcache_page(page_address(page));
+ flush_kernel_dcache_page(page);
if (!mapping)
return;
@@ -317,7 +317,7 @@
/* 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 9534ee1..7a4f07e 100644
--- a/arch/parisc/kernel/pacache.S
+++ b/arch/parisc/kernel/pacache.S
@@ -621,9 +621,9 @@
.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 ae50f8e..c831665 100644
--- a/include/asm-parisc/cache.h
+++ b/include/asm-parisc/cache.h
@@ -48,7 +48,7 @@
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 482be77..76b6b7d 100644
--- a/include/asm-parisc/cacheflush.h
+++ b/include/asm-parisc/cacheflush.h
@@ -62,7 +62,7 @@
#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 @@
}
#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 9f303c0..c6c9d57 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -26,7 +26,7 @@
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? */
}