x86: Use new cache mode type in asm/pgtable.h
Instead of directly using the cache mode bits in the pte switch to
using the cache mode type. This requires changing some callers of
is_new_memtype_allowed() to be changed as well.
Based-on-patch-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stefan.bader@canonical.com
Cc: xen-devel@lists.xensource.com
Cc: konrad.wilk@oracle.com
Cc: ville.syrjala@linux.intel.com
Cc: david.vrabel@citrix.com
Cc: jbeulich@suse.com
Cc: toshi.kani@hp.com
Cc: plagnioj@jcrosoft.com
Cc: tomi.valkeinen@ti.com
Cc: bhelgaas@google.com
Link: http://lkml.kernel.org/r/1415019724-4317-8-git-send-email-jgross@suse.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 6574388..47282c2 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -455,7 +455,9 @@
if (ret)
goto out_err;
- if (!is_new_memtype_allowed(start, size, req_type, new_type))
+ if (!is_new_memtype_allowed(start, size,
+ pgprot2cachemode(__pgprot(req_type)),
+ pgprot2cachemode(__pgprot(new_type))))
goto out_free;
if (kernel_map_sync_memtype(start, size, new_type) < 0)
@@ -630,7 +632,9 @@
if (flags != want_flags) {
if (strict_prot ||
- !is_new_memtype_allowed(paddr, size, want_flags, flags)) {
+ !is_new_memtype_allowed(paddr, size,
+ pgprot2cachemode(__pgprot(want_flags)),
+ pgprot2cachemode(__pgprot(flags)))) {
free_memtype(paddr, paddr + size);
printk(KERN_ERR "%s:%d map pfn expected mapping type %s"
" for [mem %#010Lx-%#010Lx], got %s\n",