Messages in this thread Patch in this message | | | Date | Fri, 12 Jan 2007 17:45:44 -0800 | From | Jeremy Fitzhardinge <> | Subject | [patch 05/20] XEN-paravirt: paravirt: reserve fixmap slot |
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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@xensource.com> Cc: Chris Wright <chris@sous-sol.org> Cc: Zachary Amsden <zach@vmware.com> Cc: Andi Kleen <ak@muc.de> Cc: Andrew Morton <akpm@osdl.org> Cc: Rusty Russell <rusty@rustcorp.com.au>
=================================================================== --- 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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