From d8e5f9fe5dab0e07985f2456cb6cc57788f53131 Mon Sep 17 00:00:00 2001 From: Kurt Martin Date: Wed, 8 Jul 2009 19:22:35 -0700 Subject: [PATCH] MIPS: SMTC: Move cross VPE writes to after a TC is assigned to VPE. Signed-off-by: Chris Dearman Signed-off-by: Raghu Gandham Signed-off-by: Ralf Baechle --- arch/mips/kernel/smtc.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c index 8a0626cbb108..c16bb6d6c25c 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); @@ -487,6 +484,12 @@ void smtc_prepare_cpus(int cpus) tc++; } 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 */ -- 2.20.1