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xen-devel
[Xen-devel] [patch 06/26] Xen-paravirt_ops: paravirt_ops: allocate a fix
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To: |
Andi Kleen <ak@xxxxxx> |
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Subject: |
[Xen-devel] [patch 06/26] Xen-paravirt_ops: paravirt_ops: allocate a fixmap slot |
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From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
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Date: |
Tue, 27 Feb 2007 00:13:43 -0800 |
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Cc: |
Zachary Amsden <zach@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Rusty Russell <rusty@xxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> |
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Tue, 27 Feb 2007 00:40:56 -0800 |
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quilt/0.46-1 |
Allocate a fixmap slot for use by a paravirt_ops implementation. Xen
uses this to map the hypervisor's shared info page, which doesn't have
a pseudo-physical page number, and therefore can't be mapped
ordinarily.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
---
include/asm-i386/fixmap.h | 3 +++
1 file changed, 3 insertions(+)
===================================================================
--- 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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