Reserve a new fixmap slot for paravirt backends. Xen uses this for
mapping the hypervisor shared-info page, which doesn't really exist in
the guest address space.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
Cc: Chris Wright <chris@xxxxxxxxxxxx>
Cc: Zachary Amsden <zach@xxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxx>
Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
===================================================================
--- a/include/asm-i386/fixmap.h
+++ b/include/asm-i386/fixmap.h
@@ -86,6 +86,9 @@ enum fixed_addresses {
 #ifdef CONFIG_PCI_MMCONFIG
 FIX_PCIE_MCFG,
 #endif
+#ifdef CONFIG_PARAVIRT
+ FIX_PARAVIRT,
+#endif
 __end_of_permanent_fixed_addresses,
 /* temporary boot-time mappings, used before ioremap() is functional */
 #define NR_FIX_BTMAPS 16
-- 
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