powerpc: Add support for context switching the TAR register

[sfrench/cifs-2.6.git] / arch / powerpc / kernel / cpu_setup_power.S

diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 57cf14065aecfd261269e21b428d8aba4f4856f4..d29facbf9a288490a7552331e498eea259eb713f 100644 (file)
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -56,6 +56,7 @@ _GLOBAL(__setup_cpu_power8)
        mfspr   r3,SPRN_LPCR
        oris    r3, r3, LPCR_AIL_3@h
        bl      __init_LPCR
+       bl      __init_FSCR
        bl      __init_TLB
        mtlr    r11
        blr
@@ -112,6 +113,12 @@ __init_LPCR:
        isync
        blr
 
+__init_FSCR:
+       mfspr   r3,SPRN_FSCR
+       ori     r3,r3,FSCR_TAR
+       mtspr   SPRN_FSCR,r3
+       blr
+
 __init_TLB:
        /* Clear the TLB */
        li      r6,128