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x86: extend e820 early_res support 32bit -fix #3

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introduce init_pg_table_start, so xen PV could specify the value.

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu
2008-05-29 12:56:36 -07:00
committed by Ingo Molnar
parent 3945e2c9ab
commit f0d43100f1
6 changed files with 20 additions and 6 deletions
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3
arch/x86/xen/enlighten.c
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@@ -1211,6 +1211,7 @@ asmlinkage void __init xen_start_kernel(void)
pgd = (pgd_t *)xen_start_info->pt_base;
init_pg_tables_start = __pa(pgd);
init_pg_tables_end = __pa(pgd) + xen_start_info->nr_pt_frames*PAGE_SIZE;
init_mm.pgd = pgd; /* use the Xen pagetables to start */
@@ -1246,5 +1247,5 @@ asmlinkage void __init xen_start_kernel(void)
add_preferred_console("hvc", 0, NULL);
/* Start the world */
start_kernel();
i386_start_kernel();
}