Commit 0a8d8fbc authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds

[PATCH] ppc64: Put SMT threads into global interrupt queue

From: David Engebretsen <engebret@us.ibm.com>

Put SMT threads into global interrupt queue
parent 0b29d5e7
...@@ -934,6 +934,7 @@ int __devinit __cpu_up(unsigned int cpu) ...@@ -934,6 +934,7 @@ int __devinit __cpu_up(unsigned int cpu)
return 0; return 0;
} }
extern unsigned int default_distrib_server;
/* Activate a secondary processor. */ /* Activate a secondary processor. */
int __devinit start_secondary(void *unused) int __devinit start_secondary(void *unused)
{ {
...@@ -956,6 +957,15 @@ int __devinit start_secondary(void *unused) ...@@ -956,6 +957,15 @@ int __devinit start_secondary(void *unused)
if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) { if (cur_cpu_spec->firmware_features & FW_FEATURE_SPLPAR) {
vpa_init(cpu); vpa_init(cpu);
} }
#ifdef CONFIG_IRQ_ALL_CPUS
/* Put the calling processor into the GIQ. This is really only
* necessary from a secondary thread as the OF start-cpu interface
* performs this function for us on primary threads.
*/
/* TODO: 9005 is #defined in rtas-proc.c -- move to a header */
rtas_set_indicator(9005, default_distrib_server, 1);
#endif
#endif #endif
local_irq_enable(); local_irq_enable();
......
...@@ -91,7 +91,8 @@ static struct xics_ipl *xics_per_cpu[NR_CPUS]; ...@@ -91,7 +91,8 @@ static struct xics_ipl *xics_per_cpu[NR_CPUS];
static int xics_irq_8259_cascade = 0; static int xics_irq_8259_cascade = 0;
static int xics_irq_8259_cascade_real = 0; static int xics_irq_8259_cascade_real = 0;
static unsigned int default_server = 0xFF; static unsigned int default_server = 0xFF;
static unsigned int default_distrib_server = 0; /* also referenced in smp.c... */
unsigned int default_distrib_server = 0;
/* /*
* XICS only has a single IPI, so encode the messages per CPU * XICS only has a single IPI, so encode the messages per CPU
......
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