diff options
Diffstat (limited to 'arch/arm/mm/copypage-v6.c')
| -rw-r--r-- | arch/arm/mm/copypage-v6.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index bdba6c65c901..3d9a1552cef6 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -27,7 +27,7 @@ #define from_address (0xffff8000) #define to_address (0xffffc000) -static DEFINE_SPINLOCK(v6_lock); +static DEFINE_RAW_SPINLOCK(v6_lock); /* * Copy the user page. No aliasing to deal with so we can just @@ -41,7 +41,6 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to, kfrom = kmap_atomic(from, KM_USER0); kto = kmap_atomic(to, KM_USER1); copy_page(kto, kfrom); - __cpuc_flush_dcache_area(kto, PAGE_SIZE); kunmap_atomic(kto, KM_USER1); kunmap_atomic(kfrom, KM_USER0); } @@ -89,7 +88,7 @@ static void v6_copy_user_highpage_aliasing(struct page *to, * Now copy the page using the same cache colour as the * pages ultimate destination. */ - spin_lock(&v6_lock); + raw_spin_lock(&v6_lock); set_pte_ext(TOP_PTE(from_address) + offset, pfn_pte(page_to_pfn(from), PAGE_KERNEL), 0); set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(page_to_pfn(to), PAGE_KERNEL), 0); @@ -102,7 +101,7 @@ static void v6_copy_user_highpage_aliasing(struct page *to, copy_page((void *)kto, (void *)kfrom); - spin_unlock(&v6_lock); + raw_spin_unlock(&v6_lock); } /* @@ -122,13 +121,13 @@ static void v6_clear_user_highpage_aliasing(struct page *page, unsigned long vad * Now clear the page using the same cache colour as * the pages ultimate destination. */ - spin_lock(&v6_lock); + raw_spin_lock(&v6_lock); set_pte_ext(TOP_PTE(to_address) + offset, pfn_pte(page_to_pfn(page), PAGE_KERNEL), 0); flush_tlb_kernel_page(to); clear_page((void *)to); - spin_unlock(&v6_lock); + raw_spin_unlock(&v6_lock); } struct cpu_user_fns v6_user_fns __initdata = { |
