[Xen-changelog] [xen-unstable] x86: First fixmap entry (0) is invalid.

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1225114010 0
# Node ID 604ffa3cdcc48bbfcfe5e4ccd0af735ddc49d839
# Parent  15aed96c7b5cd5a435754a57db13cd72b386717a
x86: First fixmap entry (0) is invalid.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
---
 xen/include/asm-x86/fixmap.h |    1 +
 1 files changed, 1 insertion(+)

diff -r 15aed96c7b5c -r 604ffa3cdcc4 xen/include/asm-x86/fixmap.h
--- a/xen/include/asm-x86/fixmap.h      Mon Oct 27 13:23:58 2008 +0000
+++ b/xen/include/asm-x86/fixmap.h      Mon Oct 27 13:26:50 2008 +0000
@@ -29,6 +29,7 @@
  * from the end of virtual memory backwards.
  */
 enum fixed_addresses {
+    FIX_RESERVED, /* Index 0 is reserved since fix_to_virt(0) > FIXADDR_TOP. */
 #ifdef __i386__
     FIX_PAE_HIGHMEM_0,
     FIX_PAE_HIGHMEM_END = FIX_PAE_HIGHMEM_0 + NR_CPUS-1,

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