mirror of https://gitee.com/openkylin/linux.git
x86: fix early_ioremap pagetable ops
Put appropriate pagetable update hooks in so that paravirt knows what's going on in there. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -18,6 +18,7 @@
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#include <asm/fixmap.h>
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#include <asm/pgtable.h>
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#include <asm/tlbflush.h>
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#include <asm/pgalloc.h>
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enum ioremap_mode {
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IOR_MODE_UNCACHED,
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@ -326,6 +327,7 @@ void __init early_ioremap_clear(void)
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pgd = early_ioremap_pgd(fix_to_virt(FIX_BTMAP_BEGIN));
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*pgd = 0;
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paravirt_release_pt(__pa(pgd) >> PAGE_SHIFT);
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__flush_tlb_all();
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}
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