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The pm_save should be cleared on the pmap initialization, and not on

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the activation.

Noted by:	alc
This commit is contained in:
kib 2013-08-30 20:10:01 +00:00
parent 056fcb91be
commit 6eb9415a25
1 changed files with 1 additions and 1 deletions
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2
sys/amd64/amd64/pmap.c
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@ -1863,6 +1863,7 @@ pmap_pinit0(pmap_t pmap)
pmap->pm_pml4 = (pml4_entry_t *)PHYS_TO_DMAP(KPML4phys);
pmap->pm_root.rt_root = 0;
CPU_ZERO(&pmap->pm_active);
CPU_ZERO(&pmap->pm_save);
PCPU_SET(curpmap, pmap);
TAILQ_INIT(&pmap->pm_pvchunk);
bzero(&pmap->pm_stats, sizeof pmap->pm_stats);
@ -5939,7 +5940,6 @@ pmap_activate(struct thread *td)
critical_enter();
pmap = vmspace_pmap(td->td_proc->p_vmspace);
oldpmap = PCPU_GET(curpmap);
CPU_ZERO(&pmap->pm_save);
cpuid = PCPU_GET(cpuid);
#ifdef SMP
CPU_CLR_ATOMIC(cpuid, &oldpmap->pm_active);