Use VM_MEMATTR_UNCACHEABLE instead of VM_MEMATTR_UNCACHED for UC mappings.

VM_MEMATTR_UNCACHED is actually the x86-specific UC- mode (where a WC
MTRR can override the PAT setting).
This commit is contained in:
John Baldwin 2012-03-27 14:24:29 +00:00
parent ff17bc61e2
commit 02fe8590fd
2 changed files with 2 additions and 2 deletions

View File

@ -90,7 +90,7 @@ writew(uint16_t b, void *addr)
void *_ioremap_attr(vm_paddr_t phys_addr, unsigned long size, int attr);
#define ioremap_nocache(addr, size) \
_ioremap_attr((addr), (size), VM_MEMATTR_UNCACHED)
_ioremap_attr((addr), (size), VM_MEMATTR_UNCACHEABLE)
#define ioremap_wc(addr, size) \
_ioremap_attr((addr), (size), VM_MEMATTR_WRITE_COMBINING)
#define ioremap ioremap_nocache

View File

@ -40,7 +40,7 @@
#define virt_to_page(x) PHYS_TO_VM_PAGE(vtophys((x)))
#define clear_page(page) memset((page), 0, PAGE_SIZE)
#define pgprot_noncached(prot) VM_MEMATTR_UNCACHED
#define pgprot_noncached(prot) VM_MEMATTR_UNCACHEABLE
#define pgprot_writecombine(prot) VM_MEMATTR_WRITE_COMBINING
#undef PAGE_MASK