Author: kib
Date: Fri Aug 30 20:10:01 2013
New Revision: 255079
URL: http://svnweb.freebsd.org/changeset/base/255079
Log:
The pm_save should be cleared on the pmap initialization, and not on
the activation.
Noted by: alc
Modified:
head/sys/amd64/amd64/pmap.c
Modified: head/sys/amd64/amd64/pmap.c
==============================================================================
--- head/sys/amd64/amd64/pmap.c Fri Aug 30 19:42:25 2013 (r255078)
+++ head/sys/amd64/amd64/pmap.c Fri Aug 30 20:10:01 2013 (r255079)
@@ -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);
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