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Unmap the low memory in SMP mode in MmInit3.

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svn path=/trunk/; revision=3881
This commit is contained in:
Hartmut Birr 2002-12-16 22:59:44 +00:00
parent 5b1b2a4860
commit 2774a7c60b
1 changed files with 12 additions and 2 deletions
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14
reactos/ntoskrnl/mm/mminit.c
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@ -1,4 +1,4 @@
/* $Id: mminit.c,v 1.41 2002/10/01 19:27:22 chorns Exp $ /* $Id: mminit.c,v 1.42 2002/12/16 22:59:44 hbirr Exp $
* *
* COPYRIGHT: See COPYING in the top directory * COPYRIGHT: See COPYING in the top directory
* PROJECT: ReactOS kernel * PROJECT: ReactOS kernel
@ -266,7 +266,9 @@ VOID MmInit1(ULONG FirstKrnlPhysAddr,
* Unmap low memory * Unmap low memory
*/ */
#ifndef MP #ifndef MP
/* FIXME: This is broken in SMP mode */ /* In SMP mode we unmap the low memory in MmInit3.
The APIC needs the mapping of the first pages
while the processors are starting up. */
MmDeletePageTable(NULL, 0); MmDeletePageTable(NULL, 0);
#endif #endif
/* /*
@ -351,6 +353,14 @@ VOID MmInit2(VOID)
VOID MmInit3(VOID) VOID MmInit3(VOID)
{ {
/*
* Unmap low memory
*/
#ifdef MP
/* In SMP mode we can unmap the low memory
if all processors are started. */
MmDeletePageTable(NULL, 0);
#endif
MmInitPagerThread(); MmInitPagerThread();
MmCreatePhysicalMemorySection(); MmCreatePhysicalMemorySection();
MmInitializeRmapList(); MmInitializeRmapList();