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- Remove MD usage of pc_cpumask and pc_other_cpus. [1]

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- Remove CTASSERTs which no longer need to hold since r222813.

Submitted by:	attilio [1]
This commit is contained in:
Marius Strobl 2011-06-20 21:31:01 +00:00
parent 7bbae305a1
commit 207f858338
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=223346
3 changed files with 15 additions and 16 deletions
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23
sys/sparc64/sparc64/mp_machdep.c
View File

@ -140,8 +140,6 @@ static cpu_ipi_single_t spitfire_ipi_single;
SYSINIT(cpu_mp_unleash, SI_SUB_SMP, SI_ORDER_FIRST, cpu_mp_unleash, NULL);
CTASSERT(MAXCPU <= IDR_CHEETAH_MAX_BN_PAIRS);
CTASSERT(MAXCPU <= sizeof(u_int) * NBBY);
CTASSERT(MAXCPU <= sizeof(int) * NBBY);
void
mp_init(u_int cpu_impl)
@ -491,13 +489,14 @@ cpu_mp_shutdown(void)
int i;
critical_enter();
shutdown_cpus = PCPU_GET(other_cpus);
shutdown_cpus = all_cpus;
CPU_CLR(PCPU_GET(cpuid), &shutdown_cpus);
cpus = shutdown_cpus;
/* XXX: Stop all the CPUs which aren't already. */
if (CPU_CMP(&stopped_cpus, &cpus)) {
/* pc_other_cpus is just a flat "on" mask without curcpu. */
/* cpus is just a flat "on" mask without curcpu. */
CPU_NAND(&cpus, &stopped_cpus);
stop_cpus(cpus);
}
@ -520,23 +519,23 @@ cpu_ipi_ast(struct trapframe *tf)
static void
cpu_ipi_stop(struct trapframe *tf)
{
cpuset_t tcmask;
u_int cpuid;
CTR2(KTR_SMP, "%s: stopped %d", __func__, curcpu);
sched_pin();
savectx(&stoppcbs[curcpu]);
tcmask = PCPU_GET(cpumask);
CPU_OR_ATOMIC(&stopped_cpus, &tcmask);
while (!CPU_OVERLAP(&started_cpus, &tcmask)) {
if (CPU_OVERLAP(&shutdown_cpus, &tcmask)) {
CPU_NAND_ATOMIC(&shutdown_cpus, &tcmask);
cpuid = PCPU_GET(cpuid);
CPU_SET_ATOMIC(cpuid, &stopped_cpus);
while (!CPU_ISSET(cpuid, &started_cpus)) {
if (CPU_ISSET(cpuid, &shutdown_cpus)) {
CPU_CLR_ATOMIC(cpuid, &shutdown_cpus);
(void)intr_disable();
for (;;)
;
}
}
CPU_NAND_ATOMIC(&started_cpus, &tcmask);
CPU_NAND_ATOMIC(&stopped_cpus, &tcmask);
CPU_CLR_ATOMIC(cpuid, &started_cpus);
CPU_CLR_ATOMIC(cpuid, &stopped_cpus);
sched_unpin();
CTR2(KTR_SMP, "%s: restarted %d", __func__, curcpu);
}

2
sys/sparc64/sparc64/pmap.c
View File

@ -2230,7 +2230,7 @@ pmap_activate(struct thread *td)
PCPU_SET(tlb_ctx, context + 1);
pm->pm_context[curcpu] = context;
CPU_OR(&pm->pm_active, PCPU_PTR(cpumask));
CPU_SET(PCPU_GET(cpuid), &pm->pm_active);
PCPU_SET(pmap, pm);
stxa(AA_DMMU_TSB, ASI_DMMU, pm->pm_tsb);

6
sys/sparc64/sparc64/tlb.c
View File

@ -80,7 +80,7 @@ tlb_context_demap(struct pmap *pm)
PMAP_STATS_INC(tlb_ncontext_demap);
cookie = ipi_tlb_context_demap(pm);
s = intr_disable();
if (CPU_OVERLAP(&pm->pm_active, PCPU_PTR(cpumask))) {
if (CPU_ISSET(PCPU_GET(cpuid), &pm->pm_active)) {
KASSERT(pm->pm_context[curcpu] != -1,
("tlb_context_demap: inactive pmap?"));
stxa(TLB_DEMAP_PRIMARY | TLB_DEMAP_CONTEXT, ASI_DMMU_DEMAP, 0);
@ -101,7 +101,7 @@ tlb_page_demap(struct pmap *pm, vm_offset_t va)
PMAP_STATS_INC(tlb_npage_demap);
cookie = ipi_tlb_page_demap(pm, va);
s = intr_disable();
if (CPU_OVERLAP(&pm->pm_active, PCPU_PTR(cpumask))) {
if (CPU_ISSET(PCPU_GET(cpuid), &pm->pm_active)) {
KASSERT(pm->pm_context[curcpu] != -1,
("tlb_page_demap: inactive pmap?"));
if (pm == kernel_pmap)
@ -128,7 +128,7 @@ tlb_range_demap(struct pmap *pm, vm_offset_t start, vm_offset_t end)
PMAP_STATS_INC(tlb_nrange_demap);
cookie = ipi_tlb_range_demap(pm, start, end);
s = intr_disable();
if (CPU_OVERLAP(&pm->pm_active, PCPU_PTR(cpumask))) {
if (CPU_ISSET(PCPU_GET(cpuid), &pm->pm_active)) {
KASSERT(pm->pm_context[curcpu] != -1,
("tlb_range_demap: inactive pmap?"));
if (pm == kernel_pmap)