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resource: allow MMIO exclusivity for device drivers
[pandora-kernel.git]
/
arch
/
x86
/
mm
/
init_32.c
diff --git
a/arch/x86/mm/init_32.c
b/arch/x86/mm/init_32.c
index
544d724
..
88f1b10
100644
(file)
--- a/
arch/x86/mm/init_32.c
+++ b/
arch/x86/mm/init_32.c
@@
-328,6
+328,8
@@
int devmem_is_allowed(unsigned long pagenr)
{
if (pagenr <= 256)
return 1;
+ if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
+ return 0;
if (!page_is_ram(pagenr))
return 1;
return 0;