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Code Issues Releases Activity

- Modify pmap_activate so it only marks the pmap as active.

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- Add a pmap_deactivate function.
This commit is contained in:
Benno Rice 2002-02-28 11:55:44 +00:00
parent 167b8d0334
commit ac6ba8bd4a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=91483
4 changed files with 37 additions and 0 deletions
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12
sys/powerpc/aim/mmu_oea.c
View File

@ -750,7 +750,9 @@ pmap_activate(struct thread *td)
/*
* XXX: Address this again later?
* NetBSD only change the segment registers on return to userland.
*/
#if 0
critical_enter();
for (i = 0; i < 16; i++) {
@ -759,6 +761,16 @@ pmap_activate(struct thread *td)
__asm __volatile("sync; isync");
critical_exit();
#endif
}
void
pmap_deactivate(struct thread *td)
{
pmap_t pm;
pm = &td->td_proc->p_vmspace->vm_pmap;
pm->pm_active &= ~(PCPU_GET(cpumask));
}
vm_offset_t

1
sys/powerpc/include/pmap.h
View File

@ -69,6 +69,7 @@ extern struct pmap kernel_pmap_store;
#ifdef _KERNEL
void pmap_bootstrap(vm_offset_t, vm_offset_t);
void pmap_deactivate(struct thread *);
vm_offset_t pmap_kextract(vm_offset_t);
int pmap_pte_spill(vm_offset_t);

12
sys/powerpc/powerpc/mmu_oea.c
View File

@ -750,7 +750,9 @@ pmap_activate(struct thread *td)
/*
* XXX: Address this again later?
* NetBSD only change the segment registers on return to userland.
*/
#if 0
critical_enter();
for (i = 0; i < 16; i++) {
@ -759,6 +761,16 @@ pmap_activate(struct thread *td)
__asm __volatile("sync; isync");
critical_exit();
#endif
}
void
pmap_deactivate(struct thread *td)
{
pmap_t pm;
pm = &td->td_proc->p_vmspace->vm_pmap;
pm->pm_active &= ~(PCPU_GET(cpumask));
}
vm_offset_t

12
sys/powerpc/powerpc/pmap.c
View File

@ -750,7 +750,9 @@ pmap_activate(struct thread *td)
/*
* XXX: Address this again later?
* NetBSD only change the segment registers on return to userland.
*/
#if 0
critical_enter();
for (i = 0; i < 16; i++) {
@ -759,6 +761,16 @@ pmap_activate(struct thread *td)
__asm __volatile("sync; isync");
critical_exit();
#endif
}
void
pmap_deactivate(struct thread *td)
{
pmap_t pm;
pm = &td->td_proc->p_vmspace->vm_pmap;
pm->pm_active &= ~(PCPU_GET(cpumask));
}
vm_offset_t