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[MIPS] MT: Improved multithreading support.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2006-04-05 09:45:45 +01:00
parent 2600990e64
commit 41c594ab65
51 changed files with 3720 additions and 176 deletions
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10
arch/mips/kernel/smp.c
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@@ -38,6 +38,10 @@
#include <asm/mmu_context.h>
#include <asm/smp.h>
#ifdef CONFIG_MIPS_MT_SMTC
#include <asm/mipsmtregs.h>
#endif /* CONFIG_MIPS_MT_SMTC */
cpumask_t phys_cpu_present_map; /* Bitmask of available CPUs */
volatile cpumask_t cpu_callin_map; /* Bitmask of started secondaries */
cpumask_t cpu_online_map; /* Bitmask of currently online CPUs */
@@ -85,6 +89,10 @@ asmlinkage void start_secondary(void)
{
unsigned int cpu;
#ifdef CONFIG_MIPS_MT_SMTC
/* Only do cpu_probe for first TC of CPU */
if ((read_c0_tcbind() & TCBIND_CURTC) == 0)
#endif /* CONFIG_MIPS_MT_SMTC */
cpu_probe();
cpu_report();
per_cpu_trap_init();
@@ -179,11 +187,13 @@ int smp_call_function (void (*func) (void *info), void *info, int retry,
if (wait)
while (atomic_read(&data.finished) != cpus)
barrier();
call_data = NULL;
spin_unlock(&smp_call_lock);
return 0;
}
void smp_call_function_interrupt(void)
{
void (*func) (void *info) = call_data->func;