--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -249,6 +249,8 @@
#define LPCR_RMLS 0x1C000000 /* impl dependent rmo limit
sel */
#define LPCR_RMLS_SH (63-37)
#define LPCR_ILE 0x02000000 /* !HV irqs set MSR:LE */
+#define LPCR_AIL_0 0x00000000 /* MMU off IRQ location 0x0 */
+#define LPCR_AIL_3 0x01800000 /* MMU on IRQ location
0xc00...4xxx */
s/IRQ location/exception offset/ ?
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -54,6 +54,7 @@ _GLOBAL(__setup_cpu_power8)
li r0,0
mtspr SPRN_LPID,r0
mfspr r3,SPRN_LPCR
+ oris r3, r3, LPCR_AIL_3@h
Is the AIL field only two bits? If not, you probably want to clear
the other bits.
This series looks really nice btw :-)
Segher
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