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x86: Use new cache mode type in include/asm/fb.h

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Instead of directly using cache mode bits in the pte switch to usage of
the new cache mode type.

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/1415019724-4317-3-git-send-email-jgross@suse.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Juergen Gross 2014-11-03 14:01:48 +01:00 • committed by Thomas Gleixner
commit c27ce0af89
1 changed files with 5 additions and 1 deletions
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6
arch/x86/include/asm/fb.h
View file

@ -8,8 +8,12 @@
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
unsigned long off) unsigned long off)
{ {
unsigned long prot;
prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
if (boot_cpu_data.x86 > 3) if (boot_cpu_data.x86 > 3)
pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; pgprot_val(vma->vm_page_prot) =
prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
} }
extern int fb_is_primary_device(struct fb_info *info); extern int fb_is_primary_device(struct fb_info *info);