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yaml
---
r: 11513
b: refs/heads/master
c: 292dcc8
h: refs/heads/master
i:
  11511: 8ca126f
v: v3
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Paul Mackerras committed Oct 2, 2005
1 parent fc1547d commit 69506b4
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Showing 6 changed files with 25 additions and 16 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: eeb2d21806123a67d957783c4a0c8b020a378cf0
refs/heads/master: 292dcc86dd69e343630ab49ce96a418345c174fc
2 changes: 0 additions & 2 deletions trunk/arch/powerpc/kernel/ppc_ksyms.c
Original file line number Diff line number Diff line change
Expand Up @@ -182,11 +182,9 @@ EXPORT_SYMBOL(flush_tlb_kernel_range);
EXPORT_SYMBOL(flush_tlb_page);
EXPORT_SYMBOL(_tlbie);
#ifdef CONFIG_ALTIVEC
EXPORT_SYMBOL(last_task_used_altivec);
EXPORT_SYMBOL(giveup_altivec);
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_SPE
EXPORT_SYMBOL(last_task_used_spe);
EXPORT_SYMBOL(giveup_spe);
#endif /* CONFIG_SPE */
#ifdef CONFIG_SMP
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17 changes: 12 additions & 5 deletions trunk/arch/powerpc/kernel/process.c
Original file line number Diff line number Diff line change
Expand Up @@ -272,11 +272,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
*/
if (prev->thread.regs && (prev->thread.regs->msr & MSR_VEC))
giveup_altivec(prev);
/* Avoid the trap. On smp this this never happens since
* we don't set last_task_used_altivec -- Cort
*/
if (new->thread.regs && last_task_used_altivec == new)
new->thread.regs->msr |= MSR_VEC;
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_SPE
/*
Expand All @@ -288,12 +283,24 @@ struct task_struct *__switch_to(struct task_struct *prev,
*/
if ((prev->thread.regs && (prev->thread.regs->msr & MSR_SPE)))
giveup_spe(prev);
#endif /* CONFIG_SPE */

#else /* CONFIG_SMP */
#ifdef CONFIG_ALTIVEC
/* Avoid the trap. On smp this this never happens since
* we don't set last_task_used_altivec -- Cort
*/
if (new->thread.regs && last_task_used_altivec == new)
new->thread.regs->msr |= MSR_VEC;
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_SPE
/* Avoid the trap. On smp this this never happens since
* we don't set last_task_used_spe
*/
if (new->thread.regs && last_task_used_spe == new)
new->thread.regs->msr |= MSR_SPE;
#endif /* CONFIG_SPE */

#endif /* CONFIG_SMP */

#ifdef CONFIG_PPC64 /* for now */
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7 changes: 4 additions & 3 deletions trunk/arch/powerpc/platforms/powermac/pmac_pic.c
Original file line number Diff line number Diff line change
Expand Up @@ -430,7 +430,7 @@ void __init pmac_pic_init(void)
prom_get_irq_senses(senses, 0, 128);
mpic1 = mpic_alloc(irqctrler->addrs[0].address,
MPIC_PRIMARY | MPIC_WANTS_RESET,
0, 0, 128, 256, senses, 128, " K2-MPIC ");
0, 0, 128, 252, senses, 128, " OpenPIC ");
BUG_ON(mpic1 == NULL);
mpic_init(mpic1);

Expand All @@ -441,14 +441,15 @@ void __init pmac_pic_init(void)
irqctrler2->intrs[0].line);

pmac_call_feature(PMAC_FTR_ENABLE_MPIC, irqctrler2, 0, 0);
prom_get_irq_senses(senses, 128, 128 + 128);
prom_get_irq_senses(senses, 128, 128 + 124);

/* We don't need to set MPIC_BROKEN_U3 here since we don't have
* hypertransport interrupts routed to it
*/
mpic2 = mpic_alloc(irqctrler2->addrs[0].address,
MPIC_BIG_ENDIAN | MPIC_WANTS_RESET,
0, 128, 128, 0, senses, 128, " U3-MPIC ");
0, 128, 124, 0, senses, 124,
" U3-MPIC ");
BUG_ON(mpic2 == NULL);
mpic_init(mpic2);
mpic_setup_cascade(irqctrler2->intrs[0].line,
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10 changes: 5 additions & 5 deletions trunk/arch/powerpc/platforms/powermac/pmac_smp.c
Original file line number Diff line number Diff line change
Expand Up @@ -48,7 +48,7 @@
#include <asm/machdep.h>
#include <asm/pmac_feature.h>
#include <asm/time.h>
#include <asm/open_pic.h>
#include <asm/mpic.h>
#include <asm/cacheflush.h>
#include <asm/keylargo.h>

Expand Down Expand Up @@ -638,14 +638,14 @@ void smp_core99_message_pass(int target, int msg, unsigned long data, int wait)
}
switch (target) {
case MSG_ALL:
mpic_send_ipi(msg, mask);
mpic_send_ipi(msg, cpus_addr(mask)[0]);
break;
case MSG_ALL_BUT_SELF:
cpu_clear(smp_processor_id(), mask);
mpic_send_ipi(msg, mask);
mpic_send_ipi(msg, cpus_addr(mask)[0]);
break;
default:
mpic_send_ipi(msg, cpumask_of_cpu(target));
mpic_send_ipi(msg, 1 << target);
break;
}
}
Expand Down Expand Up @@ -678,7 +678,7 @@ int __cpu_disable(void)
cpu_clear(smp_processor_id(), cpu_online_map);

/* XXX reset cpu affinity here */
openpic_set_priority(0xf);
mpic_cpu_set_priority(0xf);
asm volatile("mtdec %0" : : "r" (0x7fffffff));
mb();
udelay(20);
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3 changes: 3 additions & 0 deletions trunk/arch/powerpc/sysdev/mpic.c
Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,9 @@ static struct mpic *mpics;
static struct mpic *mpic_primary;
static DEFINE_SPINLOCK(mpic_lock);

#ifdef CONFIG_PPC32 /* XXX for now */
#define distribute_irqs CONFIG_IRQ_ALL_CPUS
#endif

/*
* Register accessor functions
Expand Down

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