20 lines
672 B
Diff
20 lines
672 B
Diff
# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1225114010 0
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# Node ID 604ffa3cdcc48bbfcfe5e4ccd0af735ddc49d839
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# Parent 15aed96c7b5cd5a435754a57db13cd72b386717a
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x86: First fixmap entry (0) is invalid.
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Signed-off-by: Jan Beulich <jbeulich@novell.com>
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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--- a/xen/include/asm-x86/fixmap.h
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+++ b/xen/include/asm-x86/fixmap.h
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@@ -29,6 +29,7 @@
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* from the end of virtual memory backwards.
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*/
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enum fixed_addresses {
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+ FIX_RESERVED, /* Index 0 is reserved since fix_to_virt(0) > FIXADDR_TOP. */
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#ifdef __i386__
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FIX_PAE_HIGHMEM_0,
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FIX_PAE_HIGHMEM_END = FIX_PAE_HIGHMEM_0 + NR_CPUS-1,
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