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Code Issues Releases Activity

Re-arrange the pmap calls that use smp_rendezvous() on SMP, so that their

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per-cpu variants are also available to be called.  The per-cpu variants
are needed for some later optimizations.

Also remove unnecessary casts, do some style fixes.

Reviewed by:	alc, neel
This commit is contained in:
Jayachandran C. 2010-08-12 09:03:21 +00:00
parent d86cdfe4b0
commit 4bbc34b56e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=211215
1 changed files with 78 additions and 45 deletions
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123
sys/mips/mips/pmap.c
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@ -173,7 +173,6 @@ static void pmap_pvh_free(struct md_page *pvh, pmap_t pmap, vm_offset_t va);
static pv_entry_t pmap_pvh_remove(struct md_page *pvh, pmap_t pmap,
vm_offset_t va);
static __inline void pmap_changebit(vm_page_t m, int bit, boolean_t setem);
static vm_page_t pmap_enter_quick_locked(pmap_t pmap, vm_offset_t va,
vm_page_t m, vm_prot_t prot, vm_page_t mpte);
static int pmap_remove_pte(struct pmap *pmap, pt_entry_t *ptq, vm_offset_t va);
@ -181,7 +180,8 @@ static void pmap_remove_page(struct pmap *pmap, vm_offset_t va);
static void pmap_remove_entry(struct pmap *pmap, vm_page_t m, vm_offset_t va);
static boolean_t pmap_try_insert_pv_entry(pmap_t pmap, vm_page_t mpte,
vm_offset_t va, vm_page_t m);
static __inline void pmap_invalidate_page(pmap_t pmap, vm_offset_t va);
static void pmap_invalidate_all(pmap_t pmap);
static void pmap_invalidate_page(pmap_t pmap, vm_offset_t va);
static int _pmap_unwire_pte_hold(pmap_t pmap, vm_offset_t va, vm_page_t m);
static vm_page_t pmap_allocpte(pmap_t pmap, vm_offset_t va, int flags);
@ -592,59 +592,49 @@ pmap_nw_modified(pt_entry_t pte)
else
return (0);
}
#endif
static void
pmap_invalidate_all(pmap_t pmap)
static __inline void
pmap_invalidate_all_local(pmap_t pmap)
{
#ifdef SMP
smp_rendezvous(0, pmap_invalidate_all_action, 0, (void *)pmap);
}
static void
pmap_invalidate_all_action(void *arg)
{
pmap_t pmap = (pmap_t)arg;
#endif
if (pmap == kernel_pmap) {
tlb_invalidate_all();
return;
}
if (pmap->pm_active & PCPU_GET(cpumask))
tlb_invalidate_all_user(pmap);
else
pmap->pm_asid[PCPU_GET(cpuid)].gen = 0;
}
struct pmap_invalidate_page_arg {
pmap_t pmap;
vm_offset_t va;
};
static __inline void
pmap_invalidate_page(pmap_t pmap, vm_offset_t va)
{
#ifdef SMP
struct pmap_invalidate_page_arg arg;
static void
pmap_invalidate_all(pmap_t pmap)
{
arg.pmap = pmap;
arg.va = va;
smp_rendezvous(0, pmap_invalidate_page_action, 0, (void *)&arg);
smp_rendezvous(0, pmap_invalidate_all_action, 0, pmap);
}
static void
pmap_invalidate_page_action(void *arg)
pmap_invalidate_all_action(void *arg)
{
pmap_t pmap = ((struct pmap_invalidate_page_arg *)arg)->pmap;
vm_offset_t va = ((struct pmap_invalidate_page_arg *)arg)->va;
pmap_invalidate_all_local((pmap_t)arg);
}
#else
static void
pmap_invalidate_all(pmap_t pmap)
{
pmap_invalidate_all_local(pmap);
}
#endif
static __inline void
pmap_invalidate_page_local(pmap_t pmap, vm_offset_t va)
{
if (is_kernel_pmap(pmap)) {
tlb_invalidate_address(pmap, va);
return;
@ -658,33 +648,42 @@ pmap_invalidate_page_action(void *arg)
tlb_invalidate_address(pmap, va);
}
struct pmap_update_page_arg {
#ifdef SMP
struct pmap_invalidate_page_arg {
pmap_t pmap;
vm_offset_t va;
pt_entry_t pte;
};
void
pmap_update_page(pmap_t pmap, vm_offset_t va, pt_entry_t pte)
static void
pmap_invalidate_page(pmap_t pmap, vm_offset_t va)
{
#ifdef SMP
struct pmap_update_page_arg arg;
struct pmap_invalidate_page_arg arg;
arg.pmap = pmap;
arg.va = va;
arg.pte = pte;
smp_rendezvous(0, pmap_update_page_action, 0, (void *)&arg);
smp_rendezvous(0, pmap_invalidate_page_action, 0, &arg);
}
static void
pmap_update_page_action(void *arg)
pmap_invalidate_page_action(void *arg)
{
pmap_t pmap = ((struct pmap_update_page_arg *)arg)->pmap;
vm_offset_t va = ((struct pmap_update_page_arg *)arg)->va;
pt_entry_t pte = ((struct pmap_update_page_arg *)arg)->pte;
struct pmap_invalidate_page_arg *p = arg;
pmap_invalidate_page_local(p->pmap, p->va);
}
#else
static void
pmap_invalidate_page(pmap_t pmap, vm_offset_t va)
{
pmap_invalidate_page_local(pmap, va);
}
#endif
static __inline void
pmap_update_page_local(pmap_t pmap, vm_offset_t va, pt_entry_t pte)
{
if (is_kernel_pmap(pmap)) {
tlb_update(pmap, va, pte);
return;
@ -698,6 +697,40 @@ pmap_update_page_action(void *arg)
tlb_update(pmap, va, pte);
}
#ifdef SMP
struct pmap_update_page_arg {
pmap_t pmap;
vm_offset_t va;
pt_entry_t pte;
};
void
pmap_update_page(pmap_t pmap, vm_offset_t va, pt_entry_t pte)
{
struct pmap_update_page_arg arg;
arg.pmap = pmap;
arg.va = va;
arg.pte = pte;
smp_rendezvous(0, pmap_update_page_action, 0, &arg);
}
static void
pmap_update_page_action(void *arg)
{
struct pmap_update_page_arg *p = arg;
pmap_update_page_local(p->pmap, p->va, p->pte);
}
#else
void
pmap_update_page(pmap_t pmap, vm_offset_t va, pt_entry_t pte)
{
pmap_update_page_local(pmap, va, pte);
}
#endif
/*
* Routine: pmap_extract
* Function: