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Instead of setting the TPR to the value that was in the data segment, set

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zero directly. On amd64, the data version of lapic_tpr is not explicitly
initialized.
This commit is contained in:
maxv 2016-10-15 09:50:27 +00:00
parent a857ba2662
commit 9b54bbf047
1 changed files with 3 additions and 5 deletions
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8
sys/arch/x86/x86/lapic.c
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@ -1,4 +1,4 @@
/* $NetBSD: lapic.c,v 1.52 2016/07/25 12:11:40 maxv Exp $ */
/* $NetBSD: lapic.c,v 1.53 2016/10/15 09:50:27 maxv Exp $ */
/*-
* Copyright (c) 2000, 2008 The NetBSD Foundation, Inc.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lapic.c,v 1.52 2016/07/25 12:11:40 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: lapic.c,v 1.53 2016/10/15 09:50:27 maxv Exp $");
#include "opt_ddb.h"
#include "opt_mpbios.h" /* for MPDEBUG */
@ -92,7 +92,6 @@ struct pic local_pic = {
static void
lapic_map(paddr_t lapic_base)
{
int s;
pt_entry_t *pte;
vaddr_t va = (vaddr_t)&local_apic;
@ -113,7 +112,6 @@ lapic_map(paddr_t lapic_base)
}
x86_disable_intr();
s = lapic_tpr;
/*
* Map local apic. If we have a local apic, it's safe to assume
@ -132,7 +130,7 @@ lapic_map(paddr_t lapic_base)
cpu_init_first(); /* catch up to changed cpu_number() */
#endif
lapic_tpr = s;
i82489_writereg(LAPIC_TPRI, 0);
x86_enable_intr();
}