From: Kurt Martin <kurt@xxxxxxxx>
This patch was part of the series of patches I sent previously. In this version, I
accomodated and tested Kevin D.Kissel's suggestion. Also the case when
no TCs are assigned to a VPE is checked.
Signed-off-by: Chris Dearman <chris@xxxxxxxx>
Signed-off-by: Raghu Gandham <raghu@xxxxxxxx>
---
arch/mips/kernel/smtc.c | 13 ++++++++-----
1 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 8a0626c..c16bb6d 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -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);
