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-rw-r--r--arch/powerpc/kernel/setup_64.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index f997154dfc41..0d4dcaeaafcb 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -230,8 +230,8 @@ static void cpu_ready_for_interrupts(void)
* If we are not in hypervisor mode the job is done once for
* the whole partition in configure_exceptions().
*/
- if (early_cpu_has_feature(CPU_FTR_HVMODE) &&
- early_cpu_has_feature(CPU_FTR_ARCH_207S)) {
+ if (cpu_has_feature(CPU_FTR_HVMODE) &&
+ cpu_has_feature(CPU_FTR_ARCH_207S)) {
unsigned long lpcr = mfspr(SPRN_LPCR);
mtspr(SPRN_LPCR, lpcr | LPCR_AIL_3);
}
@@ -637,6 +637,11 @@ void __init emergency_stack_init(void)
paca[i].emergency_sp = (void *)ti + THREAD_SIZE;
#ifdef CONFIG_PPC_BOOK3S_64
+ /* emergency stack for NMI exception handling. */
+ ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit));
+ klp_init_thread_info(ti);
+ paca[i].nmi_emergency_sp = (void *)ti + THREAD_SIZE;
+
/* emergency stack for machine check exception handling. */
ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit));
klp_init_thread_info(ti);