Commit 789d03f5 authored by Jan Beulich's avatar Jan Beulich Committed by Ingo Molnar

x86: Fix fixmap ordering

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: default avatarJan Beulich <jbeulich@novell.com>
Cc: <stable@kernel.org> # for 2.6.30.x
LKML-Reference: <4A4A0A8702000078000082E8@vpn.id2.novell.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 9e314996
...@@ -114,9 +114,6 @@ enum fixed_addresses { ...@@ -114,9 +114,6 @@ enum fixed_addresses {
FIX_TEXT_POKE0, /* reserve 2 pages for text_poke() */ FIX_TEXT_POKE0, /* reserve 2 pages for text_poke() */
FIX_TEXT_POKE1, FIX_TEXT_POKE1,
__end_of_permanent_fixed_addresses, __end_of_permanent_fixed_addresses,
#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
FIX_OHCI1394_BASE,
#endif
/* /*
* 256 temporary boot-time mappings, used by early_ioremap(), * 256 temporary boot-time mappings, used by early_ioremap(),
* before ioremap() is functional. * before ioremap() is functional.
...@@ -129,6 +126,9 @@ enum fixed_addresses { ...@@ -129,6 +126,9 @@ enum fixed_addresses {
FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 - FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
(__end_of_permanent_fixed_addresses & 255), (__end_of_permanent_fixed_addresses & 255),
FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1, 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 #ifdef CONFIG_X86_32
FIX_WP_TEST, FIX_WP_TEST,
#endif #endif
......
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