diff options
Diffstat (limited to 'arch/mips/kernel/smtc.c')
| -rw-r--r-- | arch/mips/kernel/smtc.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 5f5af7d..1a466ba 100644 --- a/arch/mips/kernel/smtc.c +++ b/arch/mips/kernel/smtc.c @@ -20,6 +20,7 @@ #include <linux/clockchips.h> #include <linux/kernel.h> #include <linux/sched.h> +#include <linux/smp.h> #include <linux/cpumask.h> #include <linux/interrupt.h> #include <linux/kernel_stat.h> @@ -94,14 +95,14 @@ void init_smtc_stats(void); /* Global SMTC Status */ -unsigned int smtc_status = 0; +unsigned int smtc_status; /* Boot command line configuration overrides */ static int vpe0limit; -static int ipibuffers = 0; -static int nostlb = 0; -static int asidmask = 0; +static int ipibuffers; +static int nostlb; +static int asidmask; unsigned long smtc_asid_mask = 0xff; static int __init vpe0tcs(char *str) @@ -150,7 +151,7 @@ __setup("asidmask=", asidmask_set); #ifdef CONFIG_SMTC_IDLE_HOOK_DEBUG -static int hang_trig = 0; +static int hang_trig; static int __init hangtrig_enable(char *s) { @@ -464,11 +465,8 @@ void smtc_prepare_cpus(int cpus) smtc_configure_tlb(); for (tc = 0, vpe = 0 ; (vpe < nvpe) && (tc < ntc) ; vpe++) { - /* - * Set the MVP bits. - */ - settc(tc); - write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() | VPECONF0_MVP); + if (tcpervpe[vpe] == 0) + continue; if (vpe != 0) printk(", "); printk("VPE %d: TC", vpe); @@ -487,6 +485,12 @@ void smtc_prepare_cpus(int cpus) } if (vpe != 0) { /* + * Allow this VPE to control others. + */ + write_vpe_c0_vpeconf0(read_vpe_c0_vpeconf0() | + VPECONF0_MVP); + + /* * Clear any stale software interrupts from VPE's Cause */ write_vpe_c0_cause(0); @@ -924,6 +928,7 @@ void ipi_decode(struct smtc_ipi *pipi) int irq = MIPS_CPU_IRQ_BASE + 1; smtc_ipi_nq(&freeIPIq, pipi); + switch (type_copy) { case SMTC_CLOCK_TICK: irq_enter(); |
