aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/powerpc/kernel/ppc_ksyms.c2
-rw-r--r--arch/powerpc/kernel/process.c17
-rw-r--r--arch/powerpc/platforms/powermac/pmac_pic.c7
-rw-r--r--arch/powerpc/platforms/powermac/pmac_smp.c10
-rw-r--r--arch/powerpc/sysdev/mpic.c3
5 files changed, 24 insertions, 15 deletions
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 7bfa0f0121ff..e73b0699b5f0 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -182,11 +182,9 @@ EXPORT_SYMBOL(flush_tlb_kernel_range);
182EXPORT_SYMBOL(flush_tlb_page); 182EXPORT_SYMBOL(flush_tlb_page);
183EXPORT_SYMBOL(_tlbie); 183EXPORT_SYMBOL(_tlbie);
184#ifdef CONFIG_ALTIVEC 184#ifdef CONFIG_ALTIVEC
185EXPORT_SYMBOL(last_task_used_altivec);
186EXPORT_SYMBOL(giveup_altivec); 185EXPORT_SYMBOL(giveup_altivec);
187#endif /* CONFIG_ALTIVEC */ 186#endif /* CONFIG_ALTIVEC */
188#ifdef CONFIG_SPE 187#ifdef CONFIG_SPE
189EXPORT_SYMBOL(last_task_used_spe);
190EXPORT_SYMBOL(giveup_spe); 188EXPORT_SYMBOL(giveup_spe);
191#endif /* CONFIG_SPE */ 189#endif /* CONFIG_SPE */
192#ifdef CONFIG_SMP 190#ifdef CONFIG_SMP
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index e3946769dd8e..ae316e9ed581 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -272,11 +272,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
272 */ 272 */
273 if (prev->thread.regs && (prev->thread.regs->msr & MSR_VEC)) 273 if (prev->thread.regs && (prev->thread.regs->msr & MSR_VEC))
274 giveup_altivec(prev); 274 giveup_altivec(prev);
275 /* Avoid the trap. On smp this this never happens since
276 * we don't set last_task_used_altivec -- Cort
277 */
278 if (new->thread.regs && last_task_used_altivec == new)
279 new->thread.regs->msr |= MSR_VEC;
280#endif /* CONFIG_ALTIVEC */ 275#endif /* CONFIG_ALTIVEC */
281#ifdef CONFIG_SPE 276#ifdef CONFIG_SPE
282 /* 277 /*
@@ -288,12 +283,24 @@ struct task_struct *__switch_to(struct task_struct *prev,
288 */ 283 */
289 if ((prev->thread.regs && (prev->thread.regs->msr & MSR_SPE))) 284 if ((prev->thread.regs && (prev->thread.regs->msr & MSR_SPE)))
290 giveup_spe(prev); 285 giveup_spe(prev);
286#endif /* CONFIG_SPE */
287
288#else /* CONFIG_SMP */
289#ifdef CONFIG_ALTIVEC
290 /* Avoid the trap. On smp this this never happens since
291 * we don't set last_task_used_altivec -- Cort
292 */
293 if (new->thread.regs && last_task_used_altivec == new)
294 new->thread.regs->msr |= MSR_VEC;
295#endif /* CONFIG_ALTIVEC */
296#ifdef CONFIG_SPE
291 /* Avoid the trap. On smp this this never happens since 297 /* Avoid the trap. On smp this this never happens since
292 * we don't set last_task_used_spe 298 * we don't set last_task_used_spe
293 */ 299 */
294 if (new->thread.regs && last_task_used_spe == new) 300 if (new->thread.regs && last_task_used_spe == new)
295 new->thread.regs->msr |= MSR_SPE; 301 new->thread.regs->msr |= MSR_SPE;
296#endif /* CONFIG_SPE */ 302#endif /* CONFIG_SPE */
303
297#endif /* CONFIG_SMP */ 304#endif /* CONFIG_SMP */
298 305
299#ifdef CONFIG_PPC64 /* for now */ 306#ifdef CONFIG_PPC64 /* for now */
diff --git a/arch/powerpc/platforms/powermac/pmac_pic.c b/arch/powerpc/platforms/powermac/pmac_pic.c
index a6b1b577e19f..7ddd5264cc6e 100644
--- a/arch/powerpc/platforms/powermac/pmac_pic.c
+++ b/arch/powerpc/platforms/powermac/pmac_pic.c
@@ -430,7 +430,7 @@ void __init pmac_pic_init(void)
430 prom_get_irq_senses(senses, 0, 128); 430 prom_get_irq_senses(senses, 0, 128);
431 mpic1 = mpic_alloc(irqctrler->addrs[0].address, 431 mpic1 = mpic_alloc(irqctrler->addrs[0].address,
432 MPIC_PRIMARY | MPIC_WANTS_RESET, 432 MPIC_PRIMARY | MPIC_WANTS_RESET,
433 0, 0, 128, 256, senses, 128, " K2-MPIC "); 433 0, 0, 128, 252, senses, 128, " OpenPIC ");
434 BUG_ON(mpic1 == NULL); 434 BUG_ON(mpic1 == NULL);
435 mpic_init(mpic1); 435 mpic_init(mpic1);
436 436
@@ -441,14 +441,15 @@ void __init pmac_pic_init(void)
441 irqctrler2->intrs[0].line); 441 irqctrler2->intrs[0].line);
442 442
443 pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler2, 0, 0); 443 pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler2, 0, 0);
444 prom_get_irq_senses(senses, 128, 128 + 128); 444 prom_get_irq_senses(senses, 128, 128 + 124);
445 445
446 /* We don't need to set MPIC_BROKEN_U3 here since we don't have 446 /* We don't need to set MPIC_BROKEN_U3 here since we don't have
447 * hypertransport interrupts routed to it 447 * hypertransport interrupts routed to it
448 */ 448 */
449 mpic2 = mpic_alloc(irqctrler2->addrs[0].address, 449 mpic2 = mpic_alloc(irqctrler2->addrs[0].address,
450 MPIC_BIG_ENDIAN | MPIC_WANTS_RESET, 450 MPIC_BIG_ENDIAN | MPIC_WANTS_RESET,
451 0, 128, 128, 0, senses, 128, " U3-MPIC "); 451 0, 128, 124, 0, senses, 124,
452 " U3-MPIC ");
452 BUG_ON(mpic2 == NULL); 453 BUG_ON(mpic2 == NULL);
453 mpic_init(mpic2); 454 mpic_init(mpic2);
454 mpic_setup_cascade(irqctrler2->intrs[0].line, 455 mpic_setup_cascade(irqctrler2->intrs[0].line,
diff --git a/arch/powerpc/platforms/powermac/pmac_smp.c b/arch/powerpc/platforms/powermac/pmac_smp.c
index 995e9095d865..fb996336c58b 100644
--- a/arch/powerpc/platforms/powermac/pmac_smp.c
+++ b/arch/powerpc/platforms/powermac/pmac_smp.c
@@ -48,7 +48,7 @@
48#include <asm/machdep.h> 48#include <asm/machdep.h>
49#include <asm/pmac_feature.h> 49#include <asm/pmac_feature.h>
50#include <asm/time.h> 50#include <asm/time.h>
51#include <asm/open_pic.h> 51#include <asm/mpic.h>
52#include <asm/cacheflush.h> 52#include <asm/cacheflush.h>
53#include <asm/keylargo.h> 53#include <asm/keylargo.h>
54 54
@@ -638,14 +638,14 @@ void smp_core99_message_pass(int target, int msg, unsigned long data, int wait)
638 } 638 }
639 switch (target) { 639 switch (target) {
640 case MSG_ALL: 640 case MSG_ALL:
641 mpic_send_ipi(msg, mask); 641 mpic_send_ipi(msg, cpus_addr(mask)[0]);
642 break; 642 break;
643 case MSG_ALL_BUT_SELF: 643 case MSG_ALL_BUT_SELF:
644 cpu_clear(smp_processor_id(), mask); 644 cpu_clear(smp_processor_id(), mask);
645 mpic_send_ipi(msg, mask); 645 mpic_send_ipi(msg, cpus_addr(mask)[0]);
646 break; 646 break;
647 default: 647 default:
648 mpic_send_ipi(msg, cpumask_of_cpu(target)); 648 mpic_send_ipi(msg, 1 << target);
649 break; 649 break;
650 } 650 }
651} 651}
@@ -678,7 +678,7 @@ int __cpu_disable(void)
678 cpu_clear(smp_processor_id(), cpu_online_map); 678 cpu_clear(smp_processor_id(), cpu_online_map);
679 679
680 /* XXX reset cpu affinity here */ 680 /* XXX reset cpu affinity here */
681 openpic_set_priority(0xf); 681 mpic_cpu_set_priority(0xf);
682 asm volatile("mtdec %0" : : "r" (0x7fffffff)); 682 asm volatile("mtdec %0" : : "r" (0x7fffffff));
683 mb(); 683 mb();
684 udelay(20); 684 udelay(20);
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index c660e7d7c643..02b4d2488bfd 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -44,6 +44,9 @@ static struct mpic *mpics;
44static struct mpic *mpic_primary; 44static struct mpic *mpic_primary;
45static DEFINE_SPINLOCK(mpic_lock); 45static DEFINE_SPINLOCK(mpic_lock);
46 46
47#ifdef CONFIG_PPC32 /* XXX for now */
48#define distribute_irqs CONFIG_IRQ_ALL_CPUS
49#endif
47 50
48/* 51/*
49 * Register accessor functions 52 * Register accessor functions