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Diffstat (limited to 'arch/mips/kernel/smtc.c')
-rw-r--r--arch/mips/kernel/smtc.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 8a0626cbb108..4d181df44a40 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -95,14 +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)
@@ -151,7 +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)
{
@@ -305,7 +305,7 @@ int __init smtc_build_cpu_map(int start_cpu_slot)
*/
ntcs = ((read_c0_mvpconf0() & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
for (i=start_cpu_slot; i<NR_CPUS && i<ntcs; i++) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = i;
__cpu_logical_map[i] = i;
}
@@ -465,11 +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);
@@ -488,6 +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);
@@ -522,8 +525,8 @@ void smtc_prepare_cpus(int cpus)
* Pull any physically present but unused TCs out of circulation.
*/
while (tc < (((val & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1)) {
- cpu_clear(tc, cpu_possible_map);
- cpu_clear(tc, cpu_present_map);
+ set_cpu_possible(tc, false);
+ set_cpu_present(tc, false);
tc++;
}
@@ -1095,9 +1098,8 @@ static void ipi_irq_dispatch(void)
static struct irqaction irq_ipi = {
.handler = ipi_interrupt,
- .flags = IRQF_DISABLED,
- .name = "SMTC_IPI",
- .flags = IRQF_PERCPU
+ .flags = IRQF_DISABLED | IRQF_PERCPU,
+ .name = "SMTC_IPI"
};
static void setup_cross_vpe_interrupts(unsigned int nvpe)