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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-09-12 11:14:33 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-09-12 11:14:33 -0400
commit25a765b7f05cb8460fa01b54568894b20e184862 (patch)
tree0b56db57b4d9f912393ab303c269e0fe6cdf8635 /arch/frv/include/asm/highmem.h
parent9d2be9287107695708e6aae5105a8a518a6cb4d0 (diff)
parent64282278989d5b0398dcb3ba7904cb00c621dc35 (diff)
Merge branch 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into stable/for-linus-3.7
* 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (9690 commits) x86: Document x86_init.paging.pagetable_init() x86: xen: Cleanup and remove x86_init.paging.pagetable_setup_done() x86: Move paging_init() call to x86_init.paging.pagetable_init() x86: Rename pagetable_setup_start() to pagetable_init() x86: Remove base argument from x86_init.paging.pagetable_setup_start Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync ...
Diffstat (limited to 'arch/frv/include/asm/highmem.h')
-rw-r--r--arch/frv/include/asm/highmem.h34
1 files changed, 9 insertions, 25 deletions
diff --git a/arch/frv/include/asm/highmem.h b/arch/frv/include/asm/highmem.h
index 716956a5317..b3adc93611f 100644
--- a/arch/frv/include/asm/highmem.h
+++ b/arch/frv/include/asm/highmem.h
@@ -76,15 +76,16 @@ extern struct page *kmap_atomic_to_page(void *ptr);
#ifndef __ASSEMBLY__
-#define __kmap_atomic_primary(type, paddr, ampr) \
+#define __kmap_atomic_primary(cached, paddr, ampr) \
({ \
unsigned long damlr, dampr; \
\
dampr = paddr | xAMPRx_L | xAMPRx_M | xAMPRx_S | xAMPRx_SS_16Kb | xAMPRx_V; \
\
- if (type != __KM_CACHE) \
+ if (!cached) \
asm volatile("movgs %0,dampr"#ampr :: "r"(dampr) : "memory"); \
else \
+ /* cache flush page attachment point */ \
asm volatile("movgs %0,iampr"#ampr"\n" \
"movgs %0,dampr"#ampr"\n" \
:: "r"(dampr) : "memory" \
@@ -112,29 +113,20 @@ extern struct page *kmap_atomic_to_page(void *ptr);
(void *) damlr; \
})
-static inline void *kmap_atomic_primary(struct page *page, enum km_type type)
+static inline void *kmap_atomic_primary(struct page *page)
{
unsigned long paddr;
pagefault_disable();
paddr = page_to_phys(page);
- switch (type) {
- case 0: return __kmap_atomic_primary(0, paddr, 2);
- case 1: return __kmap_atomic_primary(1, paddr, 3);
- case 2: return __kmap_atomic_primary(2, paddr, 4);
- case 3: return __kmap_atomic_primary(3, paddr, 5);
-
- default:
- BUG();
- return NULL;
- }
+ return __kmap_atomic_primary(1, paddr, 2);
}
-#define __kunmap_atomic_primary(type, ampr) \
+#define __kunmap_atomic_primary(cached, ampr) \
do { \
asm volatile("movgs gr0,dampr"#ampr"\n" ::: "memory"); \
- if (type == __KM_CACHE) \
+ if (cached) \
asm volatile("movgs gr0,iampr"#ampr"\n" ::: "memory"); \
} while(0)
@@ -143,17 +135,9 @@ do { \
asm volatile("tlbpr %0,gr0,#4,#1" : : "r"(vaddr) : "memory"); \
} while(0)
-static inline void kunmap_atomic_primary(void *kvaddr, enum km_type type)
+static inline void kunmap_atomic_primary(void *kvaddr)
{
- switch (type) {
- case 0: __kunmap_atomic_primary(0, 2); break;
- case 1: __kunmap_atomic_primary(1, 3); break;
- case 2: __kunmap_atomic_primary(2, 4); break;
- case 3: __kunmap_atomic_primary(3, 5); break;
-
- default:
- BUG();
- }
+ __kunmap_atomic_primary(1, 2);
pagefault_enable();
}