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x86: fix early_ioremap pagetable ops
author
Ian Campbell
<ijc@hellion.org.uk>
Sat, 9 Feb 2008 22:24:09 +0000
(23:24 +0100)
committer
Thomas Gleixner
<tglx@linutronix.de>
Sat, 9 Feb 2008 22:24:09 +0000
(23:24 +0100)
Some important parts of
f6df72e71eba621b2f5c49b3a763116fac748f6e
got
dropped along the way, reintroduce them.
Only affects paravirt guests.
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/mm/ioremap.c
patch
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diff --git
a/arch/x86/mm/ioremap.c
b/arch/x86/mm/ioremap.c
index
1106b7f
..
a4897a8
100644
(file)
--- a/
arch/x86/mm/ioremap.c
+++ b/
arch/x86/mm/ioremap.c
@@
-286,7
+286,7
@@
void __init early_ioremap_init(void)
pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN));
memset(bm_pte, 0, sizeof(bm_pte));
-
set_pmd(pmd, __pmd(__pa(bm_pte) | _PAGE_TABLE)
);
+
pmd_populate_kernel(&init_mm, pmd, bm_pte
);
/*
* The boot-ioremap range spans multiple pmds, for which
@@
-316,7
+316,7
@@
void __init early_ioremap_clear(void)
pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN));
pmd_clear(pmd);
- paravirt_release_pt(__pa(
pmd
) >> PAGE_SHIFT);
+ paravirt_release_pt(__pa(
bm_pte
) >> PAGE_SHIFT);
__flush_tlb_all();
}