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x86: Fix fixmap ordering

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The merge of the 32- and 64-bit fixmap headers made a latent
bug on x86-64 a real one: with the right config settings
it is possible for FIX_OHCI1394_BASE to overlap the FIX_BTMAP_*
range.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: <stable@kernel.org> # for 2.6.30.x
LKML-Reference: <4A4A0A8702000078000082E8@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jan Beulich 2009-06-30 11:52:23 +01:00 committed by Ingo Molnar
parent 9e314996e3
commit 789d03f584
1 changed files with 3 additions and 3 deletions
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6
arch/x86/include/asm/fixmap.h
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@ -114,9 +114,6 @@ enum fixed_addresses {
FIX_TEXT_POKE0, /* reserve 2 pages for text_poke() */
FIX_TEXT_POKE1,
__end_of_permanent_fixed_addresses,
#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
FIX_OHCI1394_BASE,
#endif
/*
* 256 temporary boot-time mappings, used by early_ioremap(),
* before ioremap() is functional.
@ -129,6 +126,9 @@ enum fixed_addresses {
FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
(__end_of_permanent_fixed_addresses & 255),
FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1,
#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
FIX_OHCI1394_BASE,
#endif
#ifdef CONFIG_X86_32
FIX_WP_TEST,
#endif