1 files changed, 15 insertions, 1 deletions

diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index b6ea9e068c13..9c5dbc3833fb 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -16,7 +16,6 @@
 
 #ifdef CONFIG_PPC64
 
-#include <linux/init.h>
 #include <asm/types.h>
 #include <asm/lppaca.h>
 #include <asm/mmu.h>
@@ -113,6 +112,10 @@ struct paca_struct {
         /* Keep pgd in the same cacheline as the start of extlb */
         pgd_t *pgd __attribute__((aligned(0x80))); /* Current PGD */
         pgd_t *kernel_pgd;              /* Kernel PGD */
+
+        /* Shared by all threads of a core -- points to tcd of first thread */
+        struct tlb_core_data *tcd_ptr;
+
         /* We can have up to 3 levels of reentrancy in the TLB miss handler */
         u64 extlb[3][EX_TLB_SIZE / sizeof(u64)];
         u64 exmc[8];            /* used for machine checks */
@@ -123,6 +126,8 @@ struct paca_struct {
         void *mc_kstack;
         void *crit_kstack;
         void *dbg_kstack;
+
+        struct tlb_core_data tcd;
 #endif /* CONFIG_PPC_BOOK3E */
 
         mm_context_t context;
@@ -152,6 +157,15 @@ struct paca_struct {
          */
         struct opal_machine_check_event *opal_mc_evt;
 #endif
+#ifdef CONFIG_PPC_BOOK3S_64
+        /* Exclusive emergency stack pointer for machine check exception. */
+        void *mc_emergency_sp;
+        /*
+         * Flag to check whether we are in machine check early handler
+         * and already using emergency stack.
+         */
+        u16 in_mce;
+#endif
 
         /* Stuff for accurate time accounting */
         u64 user_time;                  /* accumulated usermode TB ticks */