Merge branch 'linus' into x86/core
Conflicts:
arch/x86/mm/ioremap.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 45e546c..115f13e 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -300,6 +300,29 @@
}
EXPORT_SYMBOL(ioremap_cache);
+static void __iomem *ioremap_default(resource_size_t phys_addr,
+ unsigned long size)
+{
+ unsigned long flags;
+ void *ret;
+ int err;
+
+ /*
+ * - WB for WB-able memory and no other conflicting mappings
+ * - UC_MINUS for non-WB-able memory with no other conflicting mappings
+ * - Inherit from confliting mappings otherwise
+ */
+ err = reserve_memtype(phys_addr, phys_addr + size, -1, &flags);
+ if (err < 0)
+ return NULL;
+
+ ret = (void *) __ioremap_caller(phys_addr, size, flags,
+ __builtin_return_address(0));
+
+ free_memtype(phys_addr, phys_addr + size);
+ return (void __iomem *)ret;
+}
+
/**
* iounmap - Free a IO remapping
* @addr: virtual address from ioremap_*
@@ -365,7 +388,7 @@
if (page_is_ram(start >> PAGE_SHIFT))
return __va(phys);
- addr = (void __force *)ioremap(start, PAGE_SIZE);
+ addr = (void __force *)ioremap_default(start, PAGE_SIZE);
if (addr)
addr = (void *)((unsigned long)addr | (phys & ~PAGE_MASK));
