MIPS: SMTC: Move cross VPE writes to after a TC is assigned to VPE.
authorKurt Martin <kurt@mips.com>
Thu, 9 Jul 2009 02:22:35 +0000 (19:22 -0700)
committerRalf Baechle <ralf@linux-mips.org>
Mon, 3 Aug 2009 16:52:42 +0000 (17:52 +0100)
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Raghu Gandham <raghu@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/kernel/smtc.c

index 8a0626cbb108ff0a1231dadb74b54b4a2d3576a9..c16bb6d6c25c64f1562ca85f7f6d5a8a7d450a37 100644 (file)
@@ -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
                         */