--- zzzz-none-000/linux-3.10.107/arch/powerpc/include/asm/lppaca.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/include/asm/lppaca.h	2021-02-04 17:41:59.000000000 +0000
@@ -48,15 +48,13 @@
 struct lppaca {
 	/* cacheline 1 contains read-only data */
 
-	u32	desc;			/* Eye catcher 0xD397D781 */
-	u16	size;			/* Size of this struct */
-	u16	reserved1;
-	u16	reserved2:14;
-	u8	shared_proc:1;		/* Shared processor indicator */
-	u8	secondary_thread:1;	/* Secondary thread indicator */
+	__be32	desc;			/* Eye catcher 0xD397D781 */
+	__be16	size;			/* Size of this struct */
+	u8	reserved1[3];
+	u8	__old_status;		/* Old status, including shared proc */
 	u8	reserved3[14];
-	volatile u32 dyn_hw_node_id;	/* Dynamic hardware node id */
-	volatile u32 dyn_hw_proc_id;	/* Dynamic hardware proc id */
+	volatile __be32 dyn_hw_node_id;	/* Dynamic hardware node id */
+	volatile __be32 dyn_hw_proc_id;	/* Dynamic hardware proc id */
 	u8	reserved4[56];
 	volatile u8 vphn_assoc_counts[8]; /* Virtual processor home node */
 					  /* associativity change counters */
@@ -66,15 +64,16 @@
 
 	u8	reserved6[48];
 	u8	cede_latency_hint;
-	u8	reserved7[7];
+	u8	ebb_regs_in_use;
+	u8	reserved7[6];
 	u8	dtl_enable_mask;	/* Dispatch Trace Log mask */
 	u8	donate_dedicated_cpu;	/* Donate dedicated CPU cycles */
 	u8	fpregs_in_use;
 	u8	pmcregs_in_use;
 	u8	reserved8[28];
-	u64	wait_state_cycles;	/* Wait cycles for this proc */
+	__be64	wait_state_cycles;	/* Wait cycles for this proc */
 	u8	reserved9[28];
-	u16	slb_count;		/* # of SLBs to maintain */
+	__be16	slb_count;		/* # of SLBs to maintain */
 	u8	idle;			/* Indicate OS is idle */
 	u8	vmxregs_in_use;
 
@@ -85,20 +84,20 @@
 	 * the processor is yielded (either because of an OS yield or a
 	 * hypervisor preempt).  An even value implies that the processor is
 	 * currently executing.
-	 * NOTE: This value will ALWAYS be zero for dedicated processors and
-	 * will NEVER be zero for shared processors (ie, initialized to a 1).
+	 * NOTE: Even dedicated processor partitions can yield so this
+	 * field cannot be used to determine if we are shared or dedicated.
 	 */
-	volatile u32 yield_count;
-	volatile u32 dispersion_count;	/* dispatch changed physical cpu */
-	volatile u64 cmo_faults;	/* CMO page fault count */
-	volatile u64 cmo_fault_time;	/* CMO page fault time */
+	volatile __be32 yield_count;
+	volatile __be32 dispersion_count; /* dispatch changed physical cpu */
+	volatile __be64 cmo_faults;	/* CMO page fault count */
+	volatile __be64 cmo_fault_time;	/* CMO page fault time */
 	u8	reserved10[104];
 
 	/* cacheline 4-5 */
 
-	u32	page_ins;		/* CMO Hint - # page ins by OS */
+	__be32	page_ins;		/* CMO Hint - # page ins by OS */
 	u8	reserved11[148];
-	volatile u64 dtl_idx;		/* Dispatch Trace Log head index */
+	volatile __be64 dtl_idx;		/* Dispatch Trace Log head index */
 	u8	reserved12[96];
 } __attribute__((__aligned__(0x400)));
 
@@ -107,36 +106,46 @@
 #define lppaca_of(cpu)	(*paca[cpu].lppaca_ptr)
 
 /*
+ * We are using a non architected field to determine if a partition is
+ * shared or dedicated. This currently works on both KVM and PHYP, but
+ * we will have to transition to something better.
+ */
+#define LPPACA_OLD_SHARED_PROC		2
+
+static inline bool lppaca_shared_proc(struct lppaca *l)
+{
+	return !!(l->__old_status & LPPACA_OLD_SHARED_PROC);
+}
+
+/*
  * SLB shadow buffer structure as defined in the PAPR.  The save_area
  * contains adjacent ESID and VSID pairs for each shadowed SLB.  The
  * ESID is stored in the lower 64bits, then the VSID.
  */
 struct slb_shadow {
-	u32	persistent;		/* Number of persistent SLBs */
-	u32	buffer_length;		/* Total shadow buffer length */
-	u64	reserved;
+	__be32	persistent;		/* Number of persistent SLBs */
+	__be32	buffer_length;		/* Total shadow buffer length */
+	__be64	reserved;
 	struct	{
-		u64     esid;
-		u64	vsid;
+		__be64     esid;
+		__be64	vsid;
 	} save_area[SLB_NUM_BOLTED];
 } ____cacheline_aligned;
 
-extern struct slb_shadow slb_shadow[];
-
 /*
  * Layout of entries in the hypervisor's dispatch trace log buffer.
  */
 struct dtl_entry {
 	u8	dispatch_reason;
 	u8	preempt_reason;
-	u16	processor_id;
-	u32	enqueue_to_dispatch_time;
-	u32	ready_to_enqueue_time;
-	u32	waiting_to_ready_time;
-	u64	timebase;
-	u64	fault_addr;
-	u64	srr0;
-	u64	srr1;
+	__be16	processor_id;
+	__be32	enqueue_to_dispatch_time;
+	__be32	ready_to_enqueue_time;
+	__be32	waiting_to_ready_time;
+	__be64	timebase;
+	__be64	fault_addr;
+	__be64	srr0;
+	__be64	srr1;
 };
 
 #define DISPATCH_LOG_BYTES	4096	/* bytes per cpu */