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Do not save/restore the kernel SR since we are no longer trying to copy 

it in pmap_activate().  Pointed out by ws in a private message.
This commit is contained in:
briggs 2001-03-26 18:52:29 +00:00
parent 0265b9e0c2
commit 2ff606560c
1 changed files with 1 additions and 7 deletions
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8
sys/arch/powerpc/powerpc/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.37 2001/03/24 05:30:57 briggs Exp $ */
/* $NetBSD: pmap.c,v 1.38 2001/03/26 18:52:29 briggs Exp $ */
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
@ -1440,9 +1440,6 @@ pmap_activate(p)
/* Store pointer to new current pmap. */
curpm = pcb->pcb_pmreal;
/* Save kernel SR. */
__asm __volatile("mfsr %0,%1" : "=r"(ksr) : "n"(KERNEL_SR) );
/*
* Set new segment registers. We use the pmap's real
* address to avoid accessibility problems.
@ -1457,9 +1454,6 @@ pmap_activate(p)
:: "r"(seg), "r"(i << ADDR_SR_SHFT));
}
/* Restore kernel SR. */
__asm __volatile("mtsr %0,%1" :: "n"(KERNEL_SR), "r"(ksr));
/* Interrupts are OK again. */
psl |= PSL_EE;
__asm __volatile("mtmsr %0" :: "r"(psl));