These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / arch / mips / kernel / idle.c

diff --git a/kernel/arch/mips/kernel/idle.c b/kernel/arch/mips/kernel/idle.c
index e4f62b7..46794d6 100644 (file)
--- a/kernel/arch/mips/kernel/idle.c
+++ b/kernel/arch/mips/kernel/idle.c
@@ -134,6 +134,16 @@ void __init check_wait(void)
                return;
        }
 
+       /*
+        * MIPSr6 specifies that masked interrupts should unblock an executing
+        * wait instruction, and thus that it is safe for us to use
+        * r4k_wait_irqoff. Yippee!
+        */
+       if (cpu_has_mips_r6) {
+               cpu_wait = r4k_wait_irqoff;
+               return;
+       }
+
        switch (current_cpu_type()) {
        case CPU_R3081:
        case CPU_R3081E:
@@ -155,12 +165,12 @@ void __init check_wait(void)
        case CPU_4KEC:
        case CPU_4KSC:
        case CPU_5KC:
+       case CPU_5KE:
        case CPU_25KF:
        case CPU_PR4450:
        case CPU_BMIPS3300:
        case CPU_BMIPS4350:
        case CPU_BMIPS4380:
-       case CPU_BMIPS5000:
        case CPU_CAVIUM_OCTEON:
        case CPU_CAVIUM_OCTEON_PLUS:
        case CPU_CAVIUM_OCTEON2:
@@ -171,7 +181,9 @@ void __init check_wait(void)
        case CPU_XLP:
                cpu_wait = r4k_wait;
                break;
-
+       case CPU_BMIPS5000:
+               cpu_wait = r4k_wait_irqoff;
+               break;
        case CPU_RM7000:
                cpu_wait = rm7k_wait_irqoff;
                break;