Merge tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc updates from Michael Ellerman:
 "Livepatch support for 32-bit is probably the standout new feature,
  otherwise mostly just lots of bits and pieces all over the board.

  There's a series of commits cleaning up function descriptor handling,
  which touches a few other arches as well as LKDTM. It has acks from
  Arnd, Kees and Helge.

  Summary:

   - Enforce kernel RO, and implement STRICT_MODULE_RWX for 603.

   - Add support for livepatch to 32-bit.

   - Implement CONFIG_DYNAMIC_FTRACE_WITH_ARGS.

   - Merge vdso64 and vdso32 into a single directory.

   - Fix build errors with newer binutils.

   - Add support for UADDR64 relocations, which are emitted by some
     toolchains. This allows powerpc to build with the latest lld.

   - Fix (another) potential userspace r13 corruption in transactional
     memory handling.

   - Cleanups of function descriptor handling & related fixes to LKDTM.

  Thanks to Abdul Haleem, Alexey Kardashevskiy, Anders Roxell, Aneesh
  Kumar K.V, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Bhaskar
  Chowdhury, Cédric Le Goater, Chen Jingwen, Christophe JAILLET,
  Christophe Leroy, Corentin Labbe, Daniel Axtens, Daniel Henrique
  Barboza, David Dai, Fabiano Rosas, Ganesh Goudar, Guo Zhengkui, Hangyu
  Hua, Haren Myneni, Hari Bathini, Igor Zhbanov, Jakob Koschel, Jason
  Wang, Jeremy Kerr, Joachim Wiberg, Jordan Niethe, Julia Lawall, Kajol
  Jain, Kees Cook, Laurent Dufour, Madhavan Srinivasan, Mamatha Inamdar,
  Maxime Bizon, Maxim Kiselev, Maxim Kochetkov, Michal Suchanek,
  Nageswara R Sastry, Nathan Lynch, Naveen N. Rao, Nicholas Piggin,
  Nour-eddine Taleb, Paul Menzel, Ping Fang, Pratik R. Sampat, Randy
  Dunlap, Ritesh Harjani, Rohan McLure, Russell Currey, Sachin Sant,
  Segher Boessenkool, Shivaprasad G Bhat, Sourabh Jain, Thierry Reding,
  Tobias Waldekranz, Tyrel Datwyler, Vaibhav Jain, Vladimir Oltean,
  Wedson Almeida Filho, and YueHaibing"

* tag 'powerpc-5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (179 commits)
  powerpc/pseries: Fix use after free in remove_phb_dynamic()
  powerpc/time: improve decrementer clockevent processing
  powerpc/time: Fix KVM host re-arming a timer beyond decrementer range
  powerpc/tm: Fix more userspace r13 corruption
  powerpc/xive: fix return value of __setup handler
  powerpc/64: Add UADDR64 relocation support
  powerpc: 8xx: fix a return value error in mpc8xx_pic_init
  powerpc/ps3: remove unneeded semicolons
  powerpc/64: Force inlining of prevent_user_access() and set_kuap()
  powerpc/bitops: Force inlining of fls()
  powerpc: declare unmodified attribute_group usages const
  powerpc/spufs: Fix build warning when CONFIG_PROC_FS=n
  powerpc/secvar: fix refcount leak in format_show()
  powerpc/64e: Tie PPC_BOOK3E_64 to PPC_FSL_BOOK3E
  powerpc: Move C prototypes out of asm-prototypes.h
  powerpc/kexec: Declare kexec_paca static
  powerpc/smp: Declare current_set static
  powerpc: Cleanup asm-prototypes.c
  powerpc/ftrace: Use STK_GOT in ftrace_mprofile.S
  powerpc/ftrace: Regroup PPC64 specific operations in ftrace_mprofile.S
  ...

42 files changed, 265 insertions, 312 deletions

diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index 2b736d9fbb1b..2bc53c646ccd 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -21,6 +21,7 @@
 #define PPC_STLCX	stringify_in_c(stdcx.)
 #define PPC_CNTLZL	stringify_in_c(cntlzd)
 #define PPC_MTOCRF(FXM, RS) MTOCRF((FXM), RS)
+#define PPC_SRL		stringify_in_c(srd)
 #define PPC_LR_STKOFF	16
 #define PPC_MIN_STKFRM	112
 
@@ -54,6 +55,7 @@
 #define PPC_STLCX	stringify_in_c(stwcx.)
 #define PPC_CNTLZL	stringify_in_c(cntlzw)
 #define PPC_MTOCRF	stringify_in_c(mtcrf)
+#define PPC_SRL		stringify_in_c(srw)
 #define PPC_LR_STKOFF	4
 #define PPC_MIN_STKFRM	16
 
diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index 41b8a1e1144a..d995c65d18ab 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -19,22 +19,6 @@
 
 #include <uapi/asm/ucontext.h>
 
-/* SMP */
-extern struct task_struct *current_set[NR_CPUS];
-extern struct task_struct *secondary_current;
-void start_secondary(void *unused);
-
-/* kexec */
-struct paca_struct;
-struct kimage;
-extern struct paca_struct kexec_paca;
-void kexec_copy_flush(struct kimage *image);
-
-/* pseries hcall tracing */
-extern struct static_key hcall_tracepoint_key;
-void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
-void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
-
 /* Ultravisor */
 #if defined(CONFIG_PPC_POWERNV) || defined(CONFIG_PPC_SVM)
 long ucall_norets(unsigned long opcode, ...);
@@ -50,49 +34,12 @@ int64_t __opal_call(int64_t a0, int64_t a1, int64_t a2, int64_t a3,
 		    int64_t a4, int64_t a5, int64_t a6, int64_t a7,
 		    int64_t opcode, uint64_t msr);
 
-/* VMX copying */
-int enter_vmx_usercopy(void);
-int exit_vmx_usercopy(void);
-int enter_vmx_ops(void);
-void *exit_vmx_ops(void *dest);
-
-/* signals, syscalls and interrupts */
-long sys_swapcontext(struct ucontext __user *old_ctx,
-		    struct ucontext __user *new_ctx,
-		    long ctx_size);
-#ifdef CONFIG_PPC32
-long sys_debug_setcontext(struct ucontext __user *ctx,
-			  int ndbg, struct sig_dbg_op __user *dbg);
-int
-ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
-	   struct __kernel_old_timeval __user *tvp);
-unsigned long __init early_init(unsigned long dt_ptr);
-void __init machine_init(u64 dt_ptr);
-#endif
-long system_call_exception(long r3, long r4, long r5, long r6, long r7, long r8, unsigned long r0, struct pt_regs *regs);
-notrace unsigned long syscall_exit_prepare(unsigned long r3, struct pt_regs *regs, long scv);
-notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs);
-notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs);
-#ifdef CONFIG_PPC64
-unsigned long syscall_exit_restart(unsigned long r3, struct pt_regs *regs);
-unsigned long interrupt_exit_user_restart(struct pt_regs *regs);
-unsigned long interrupt_exit_kernel_restart(struct pt_regs *regs);
-#endif
-
-long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
-		      u32 len_high, u32 len_low);
-long sys_switch_endian(void);
-
 /* prom_init (OpenFirmware) */
 unsigned long __init prom_init(unsigned long r3, unsigned long r4,
 			       unsigned long pp,
 			       unsigned long r6, unsigned long r7,
 			       unsigned long kbase);
 
-/* setup */
-void __init early_setup(unsigned long dt_ptr);
-void early_setup_secondary(void);
-
 /* misc runtime */
 extern u64 __bswapdi2(u64);
 extern s64 __lshrdi3(s64, int);
@@ -103,11 +50,6 @@ extern int __ucmpdi2(u64, u64);
 
 /* tracing */
 void _mcount(void);
-unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip,
-						unsigned long sp);
-
-void pnv_power9_force_smt4_catch(void);
-void pnv_power9_force_smt4_release(void);
 
 /* Transaction memory related */
 void tm_enable(void);
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index ea5d27dda8cf..344fba3b16eb 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -287,7 +287,7 @@ static inline void arch___clear_bit_unlock(int nr, volatile unsigned long *addr)
  * fls: find last (most-significant) bit set.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline int fls(unsigned int x)
+static __always_inline int fls(unsigned int x)
 {
 	int lz;
 
@@ -305,7 +305,7 @@ static inline int fls(unsigned int x)
  * 32-bit fls calls.
  */
 #ifdef CONFIG_PPC64
-static inline int fls64(__u64 x)
+static __always_inline int fls64(__u64 x)
 {
 	int lz;
 
diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
index 95e06f2a8e23..40041ac713d9 100644
--- a/arch/powerpc/include/asm/book3s/32/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
@@ -298,28 +298,35 @@ static inline pte_basic_t pte_update(struct mm_struct *mm, unsigned long addr, p
 				     unsigned long clr, unsigned long set, int huge)
 {
 	pte_basic_t old;
-	unsigned long tmp;
 
-	__asm__ __volatile__(
+	if (mmu_has_feature(MMU_FTR_HPTE_TABLE)) {
+		unsigned long tmp;
+
+		asm volatile(
 #ifndef CONFIG_PTE_64BIT
-"1:	lwarx	%0, 0, %3\n"
-"	andc	%1, %0, %4\n"
+	"1:	lwarx	%0, 0, %3\n"
+	"	andc	%1, %0, %4\n"
 #else
-"1:	lwarx	%L0, 0, %3\n"
-"	lwz	%0, -4(%3)\n"
-"	andc	%1, %L0, %4\n"
+	"1:	lwarx	%L0, 0, %3\n"
+	"	lwz	%0, -4(%3)\n"
+	"	andc	%1, %L0, %4\n"
 #endif
-"	or	%1, %1, %5\n"
-"	stwcx.	%1, 0, %3\n"
-"	bne-	1b"
-	: "=&r" (old), "=&r" (tmp), "=m" (*p)
+	"	or	%1, %1, %5\n"
+	"	stwcx.	%1, 0, %3\n"
+	"	bne-	1b"
+		: "=&r" (old), "=&r" (tmp), "=m" (*p)
 #ifndef CONFIG_PTE_64BIT
-	: "r" (p),
+		: "r" (p),
 #else
-	: "b" ((unsigned long)(p) + 4),
+		: "b" ((unsigned long)(p) + 4),
 #endif
-	  "r" (clr), "r" (set), "m" (*p)
-	: "cc" );
+		  "r" (clr), "r" (set), "m" (*p)
+		: "cc" );
+	} else {
+		old = pte_val(*p);
+
+		*p = __pte((old & ~(pte_basic_t)clr) | set);
+	}
 
 	return old;
 }
diff --git a/arch/powerpc/include/asm/book3s/64/kup.h b/arch/powerpc/include/asm/book3s/64/kup.h
index 69fcf63eec94..54cf46808157 100644
--- a/arch/powerpc/include/asm/book3s/64/kup.h
+++ b/arch/powerpc/include/asm/book3s/64/kup.h
@@ -328,7 +328,7 @@ static inline unsigned long get_kuap(void)
 	return mfspr(SPRN_AMR);
 }
 
-static inline void set_kuap(unsigned long value)
+static __always_inline void set_kuap(unsigned long value)
 {
 	if (!mmu_has_feature(MMU_FTR_BOOK3S_KUAP))
 		return;
@@ -398,7 +398,7 @@ static __always_inline void allow_user_access(void __user *to, const void __user
 
 #endif /* !CONFIG_PPC_KUAP */
 
-static inline void prevent_user_access(unsigned long dir)
+static __always_inline void prevent_user_access(unsigned long dir)
 {
 	set_kuap(AMR_KUAP_BLOCKED);
 	if (static_branch_unlikely(&uaccess_flush_key))
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 02c08d1492f8..ecbae1832de3 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -11,7 +11,7 @@
 #ifdef __ASSEMBLY__
 #include <asm/asm-offsets.h>
 #ifdef CONFIG_DEBUG_BUGVERBOSE
-.macro EMIT_BUG_ENTRY addr,file,line,flags
+.macro __EMIT_BUG_ENTRY addr,file,line,flags
 	 .section __bug_table,"aw"
 5001:	 .4byte \addr - 5001b, 5002f - 5001b
 	 .short \line, \flags
@@ -22,7 +22,7 @@
 	 .previous
 .endm
 #else
-.macro EMIT_BUG_ENTRY addr,file,line,flags
+.macro __EMIT_BUG_ENTRY addr,file,line,flags
 	 .section __bug_table,"aw"
 5001:	 .4byte \addr - 5001b
 	 .short \flags
@@ -33,7 +33,14 @@
 
 .macro EMIT_WARN_ENTRY addr,file,line,flags
 	EX_TABLE(\addr,\addr+4)
-	EMIT_BUG_ENTRY \addr,\file,\line,\flags
+	__EMIT_BUG_ENTRY \addr,\file,\line,\flags
+.endm
+
+.macro EMIT_BUG_ENTRY addr,file,line,flags
+	.if \flags & 1 /* BUGFLAG_WARNING */
+	.err /* Use EMIT_WARN_ENTRY for warnings */
+	.endif
+	__EMIT_BUG_ENTRY \addr,\file,\line,\flags
 .endm
 
 #else /* !__ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h
index e26080539c31..409483b2d0ce 100644
--- a/arch/powerpc/include/asm/code-patching.h
+++ b/arch/powerpc/include/asm/code-patching.h
@@ -118,7 +118,7 @@ static inline unsigned long ppc_function_entry(void *func)
 	 * function's descriptor. The first entry in the descriptor is the
 	 * address of the function text.
 	 */
-	return ((func_descr_t *)func)->entry;
+	return ((struct func_desc *)func)->addr;
 #else
 	return (unsigned long)func;
 #endif
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index b8425e3cfd81..971589a21bc0 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -176,4 +176,10 @@ do {									\
 /* Relocate the kernel image to @final_address */
 void relocate(unsigned long final_address);
 
+struct func_desc {
+	unsigned long addr;
+	unsigned long toc;
+	unsigned long env;
+};
+
 #endif /* _ASM_POWERPC_ELF_H */
diff --git a/arch/powerpc/include/asm/epapr_hcalls.h b/arch/powerpc/include/asm/epapr_hcalls.h
index c99ba08a408d..cdf3c6df5123 100644
--- a/arch/powerpc/include/asm/epapr_hcalls.h
+++ b/arch/powerpc/include/asm/epapr_hcalls.h
@@ -65,7 +65,7 @@
  * but the gcc inline assembly syntax does not allow us to specify registers
  * on the clobber list that are also on the input/output list.  Therefore,
  * the lists of clobbered registers depends on the number of register
- * parmeters ("+r" and "=r") passed to the hypercall.
+ * parameters ("+r" and "=r") passed to the hypercall.
  *
  * Each assembly block should use one of the HCALL_CLOBBERSx macros.  As a
  * general rule, 'x' is the number of parameters passed to the assembly
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index 9b702d2b80fb..8dddd34b8ecf 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -54,6 +54,7 @@
 #define FW_FEATURE_STUFF_TCE	ASM_CONST(0x0000008000000000)
 #define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000)
 #define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000)
+#define FW_FEATURE_ENERGY_SCALE_INFO ASM_CONST(0x0000040000000000)
 
 #ifndef __ASSEMBLY__
 
@@ -74,7 +75,8 @@ enum {
 		FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
 		FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
 		FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR |
-		FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY,
+		FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY |
+		FW_FEATURE_ENERGY_SCALE_INFO,
 	FW_FEATURE_PSERIES_ALWAYS = 0,
 	FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
 	FW_FEATURE_POWERNV_ALWAYS = 0,
diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
index debe8c4f7062..d83758acd1c7 100644
--- a/arch/powerpc/include/asm/ftrace.h
+++ b/arch/powerpc/include/asm/ftrace.h
@@ -10,44 +10,7 @@
 
 #define HAVE_FUNCTION_GRAPH_RET_ADDR_PTR
 
-#ifdef __ASSEMBLY__
-
-/* Based off of objdump output from glibc */
-
-#define MCOUNT_SAVE_FRAME			\
-	stwu	r1,-48(r1);			\
-	stw	r3, 12(r1);			\
-	stw	r4, 16(r1);			\
-	stw	r5, 20(r1);			\
-	stw	r6, 24(r1);			\
-	mflr	r3;				\
-	lwz	r4, 52(r1);			\
-	mfcr	r5;				\
-	stw	r7, 28(r1);			\
-	stw	r8, 32(r1);			\
-	stw	r9, 36(r1);			\
-	stw	r10,40(r1);			\
-	stw	r3, 44(r1);			\
-	stw	r5, 8(r1)
-
-#define MCOUNT_RESTORE_FRAME			\
-	lwz	r6, 8(r1);			\
-	lwz	r0, 44(r1);			\
-	lwz	r3, 12(r1);			\
-	mtctr	r0;				\
-	lwz	r4, 16(r1);			\
-	mtcr	r6;				\
-	lwz	r5, 20(r1);			\
-	lwz	r6, 24(r1);			\
-	lwz	r0, 52(r1);			\
-	lwz	r7, 28(r1);			\
-	lwz	r8, 32(r1);			\
-	mtlr	r0;				\
-	lwz	r9, 36(r1);			\
-	lwz	r10,40(r1);			\
-	addi	r1, r1, 48
-
-#else /* !__ASSEMBLY__ */
+#ifndef __ASSEMBLY__
 extern void _mcount(void);
 
 static inline unsigned long ftrace_call_adjust(unsigned long addr)
@@ -56,9 +19,36 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
        return addr;
 }
 
+unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip,
+				    unsigned long sp);
+
 struct dyn_arch_ftrace {
 	struct module *mod;
 };
+
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
+struct ftrace_regs {
+	struct pt_regs regs;
+};
+
+static __always_inline struct pt_regs *arch_ftrace_get_regs(struct ftrace_regs *fregs)
+{
+	/* We clear regs.msr in ftrace_call */
+	return fregs->regs.msr ? &fregs->regs : NULL;
+}
+
+static __always_inline void ftrace_instruction_pointer_set(struct ftrace_regs *fregs,
+							   unsigned long ip)
+{
+	regs_set_return_ip(&fregs->regs, ip);
+}
+
+struct ftrace_ops;
+
+#define ftrace_graph_func ftrace_graph_func
+void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
+		       struct ftrace_ops *op, struct ftrace_regs *fregs);
+#endif
 #endif /* __ASSEMBLY__ */
 
 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index 962708fa1017..6a1a1ac5743b 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -15,7 +15,7 @@
 
 extern bool hugetlb_disabled;
 
-void __init hugetlbpage_init_default(void);
+void __init hugetlbpage_init_defaultsize(void);
 
 int slice_is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
 			   unsigned long len);
@@ -76,6 +76,9 @@ static inline void __init gigantic_hugetlb_cma_reserve(void)
 {
 }
 
+static inline void __init hugetlbpage_init_defaultsize(void)
+{
+}
 #endif /* CONFIG_HUGETLB_PAGE */
 
 #endif /* _ASM_POWERPC_HUGETLB_H */
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 9bcf345cb208..d92a20a85395 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -323,7 +323,8 @@
 #define H_SCM_PERFORMANCE_STATS 0x418
 #define H_RPT_INVALIDATE	0x448
 #define H_SCM_FLUSH		0x44C
-#define MAX_HCALL_OPCODE	H_SCM_FLUSH
+#define H_GET_ENERGY_SCALE_INFO	0x450
+#define MAX_HCALL_OPCODE	H_GET_ENERGY_SCALE_INFO
 
 /* Scope args for H_SCM_UNBIND_ALL */
 #define H_UNBIND_SCOPE_ALL (0x1)
@@ -500,6 +501,11 @@ long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
 
+/* pseries hcall tracing */
+extern struct static_key hcall_tracepoint_key;
+void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
+void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
+
 struct hvcall_mpp_data {
 	unsigned long entitled_mem;
 	unsigned long mapped_mem;
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index fc28f46d2f9d..f964ef5c57d8 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -123,9 +123,6 @@ static inline void nap_adjust_return(struct pt_regs *regs)
 #endif
 }
 
-struct interrupt_state {
-};
-
 static inline void booke_restore_dbcr0(void)
 {
 #ifdef CONFIG_PPC_ADV_DEBUG_REGS
@@ -138,7 +135,7 @@ static inline void booke_restore_dbcr0(void)
 #endif
 }
 
-static inline void interrupt_enter_prepare(struct pt_regs *regs, struct interrupt_state *state)
+static inline void interrupt_enter_prepare(struct pt_regs *regs)
 {
 #ifdef CONFIG_PPC32
 	if (!arch_irq_disabled_regs(regs))
@@ -228,17 +225,17 @@ static inline void interrupt_enter_prepare(struct pt_regs *regs, struct interrup
  * However interrupt_nmi_exit_prepare does return directly to regs, because
  * NMIs do not do "exit work" or replay soft-masked interrupts.
  */
-static inline void interrupt_exit_prepare(struct pt_regs *regs, struct interrupt_state *state)
+static inline void interrupt_exit_prepare(struct pt_regs *regs)
 {
 }
 
-static inline void interrupt_async_enter_prepare(struct pt_regs *regs, struct interrupt_state *state)
+static inline void interrupt_async_enter_prepare(struct pt_regs *regs)
 {
 #ifdef CONFIG_PPC64
 	/* Ensure interrupt_enter_prepare does not enable MSR[EE] */
 	local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
 #endif
-	interrupt_enter_prepare(regs, state);
+	interrupt_enter_prepare(regs);
 #ifdef CONFIG_PPC_BOOK3S_64
 	/*
 	 * RI=1 is set by interrupt_enter_prepare, so this thread flags access
@@ -251,7 +248,7 @@ static inline void interrupt_async_enter_prepare(struct pt_regs *regs, struct in
 	irq_enter();
 }
 
-static inline void interrupt_async_exit_prepare(struct pt_regs *regs, struct interrupt_state *state)
+static inline void interrupt_async_exit_prepare(struct pt_regs *regs)
 {
 	/*
 	 * Adjust at exit so the main handler sees the true NIA. This must
@@ -262,7 +259,7 @@ static inline void interrupt_async_exit_prepare(struct pt_regs *regs, struct int
 	nap_adjust_return(regs);
 
 	irq_exit();
-	interrupt_exit_prepare(regs, state);
+	interrupt_exit_prepare(regs);
 }
 
 struct interrupt_nmi_state {
@@ -447,13 +444,11 @@ static __always_inline void ____##func(struct pt_regs *regs);		\
 									\
 interrupt_handler void func(struct pt_regs *regs)			\
 {									\
-	struct interrupt_state state;					\
-									\
-	interrupt_enter_prepare(regs, &state);				\
+	interrupt_enter_prepare(regs);					\
 									\
 	____##func (regs);						\
 									\
-	interrupt_exit_prepare(regs, &state);				\
+	interrupt_exit_prepare(regs);					\
 }									\
 NOKPROBE_SYMBOL(func);							\
 									\
@@ -482,14 +477,13 @@ static __always_inline long ____##func(struct pt_regs *regs);		\
 									\
 interrupt_handler long func(struct pt_regs *regs)			\
 {									\
-	struct interrupt_state state;					\
 	long ret;							\
 									\
-	interrupt_enter_prepare(regs, &state);				\
+	interrupt_enter_prepare(regs);					\
 									\
 	ret = ____##func (regs);					\
 									\
-	interrupt_exit_prepare(regs, &state);				\
+	interrupt_exit_prepare(regs);					\
 									\
 	return ret;							\
 }									\
@@ -518,13 +512,11 @@ static __always_inline void ____##func(struct pt_regs *regs);		\
 									\
 interrupt_handler void func(struct pt_regs *regs)			\
 {									\
-	struct interrupt_state state;					\
-									\
-	interrupt_async_enter_prepare(regs, &state);			\
+	interrupt_async_enter_prepare(regs);				\
 									\
 	____##func (regs);						\
 									\
-	interrupt_async_exit_prepare(regs, &state);			\
+	interrupt_async_exit_prepare(regs);				\
 }									\
 NOKPROBE_SYMBOL(func);							\
 									\
@@ -612,7 +604,7 @@ DECLARE_INTERRUPT_HANDLER_RAW(do_slb_fault);
 DECLARE_INTERRUPT_HANDLER(do_bad_segment_interrupt);
 
 /* hash_utils.c */
-DECLARE_INTERRUPT_HANDLER_RAW(do_hash_fault);
+DECLARE_INTERRUPT_HANDLER(do_hash_fault);
 
 /* fault.c */
 DECLARE_INTERRUPT_HANDLER(do_page_fault);
@@ -644,6 +636,17 @@ static inline void interrupt_cond_local_irq_enable(struct pt_regs *regs)
 		local_irq_enable();
 }
 
+long system_call_exception(long r3, long r4, long r5, long r6, long r7, long r8,
+			   unsigned long r0, struct pt_regs *regs);
+notrace unsigned long syscall_exit_prepare(unsigned long r3, struct pt_regs *regs, long scv);
+notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs);
+notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs);
+#ifdef CONFIG_PPC64
+unsigned long syscall_exit_restart(unsigned long r3, struct pt_regs *regs);
+unsigned long interrupt_exit_user_restart(struct pt_regs *regs);
+unsigned long interrupt_exit_kernel_restart(struct pt_regs *regs);
+#endif
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_POWERPC_INTERRUPT_H */
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index beba4979bff9..fee979d3a1aa 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -359,25 +359,37 @@ static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr)
  */
 static inline void __raw_rm_writeb(u8 val, volatile void __iomem *paddr)
 {
-	__asm__ __volatile__("stbcix %0,0,%1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      stbcix %0,0,%1;  \
+			      .machine pop;"
 		: : "r" (val), "r" (paddr) : "memory");
 }
 
 static inline void __raw_rm_writew(u16 val, volatile void __iomem *paddr)
 {
-	__asm__ __volatile__("sthcix %0,0,%1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      sthcix %0,0,%1;  \
+			      .machine pop;"
 		: : "r" (val), "r" (paddr) : "memory");
 }
 
 static inline void __raw_rm_writel(u32 val, volatile void __iomem *paddr)
 {
-	__asm__ __volatile__("stwcix %0,0,%1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      stwcix %0,0,%1;  \
+			      .machine pop;"
 		: : "r" (val), "r" (paddr) : "memory");
 }
 
 static inline void __raw_rm_writeq(u64 val, volatile void __iomem *paddr)
 {
-	__asm__ __volatile__("stdcix %0,0,%1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      stdcix %0,0,%1;  \
+			      .machine pop;"
 		: : "r" (val), "r" (paddr) : "memory");
 }
 
@@ -389,7 +401,10 @@ static inline void __raw_rm_writeq_be(u64 val, volatile void __iomem *paddr)
 static inline u8 __raw_rm_readb(volatile void __iomem *paddr)
 {
 	u8 ret;
-	__asm__ __volatile__("lbzcix %0,0, %1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      lbzcix %0,0, %1; \
+			      .machine pop;"
 			     : "=r" (ret) : "r" (paddr) : "memory");
 	return ret;
 }
@@ -397,7 +412,10 @@ static inline u8 __raw_rm_readb(volatile void __iomem *paddr)
 static inline u16 __raw_rm_readw(volatile void __iomem *paddr)
 {
 	u16 ret;
-	__asm__ __volatile__("lhzcix %0,0, %1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      lhzcix %0,0, %1; \
+			      .machine pop;"
 			     : "=r" (ret) : "r" (paddr) : "memory");
 	return ret;
 }
@@ -405,7 +423,10 @@ static inline u16 __raw_rm_readw(volatile void __iomem *paddr)
 static inline u32 __raw_rm_readl(volatile void __iomem *paddr)
 {
 	u32 ret;
-	__asm__ __volatile__("lwzcix %0,0, %1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      lwzcix %0,0, %1; \
+			      .machine pop;"
 			     : "=r" (ret) : "r" (paddr) : "memory");
 	return ret;
 }
@@ -413,7 +434,10 @@ static inline u32 __raw_rm_readl(volatile void __iomem *paddr)
 static inline u64 __raw_rm_readq(volatile void __iomem *paddr)
 {
 	u64 ret;
-	__asm__ __volatile__("ldcix %0,0, %1"
+	__asm__ __volatile__(".machine push;   \
+			      .machine power6; \
+			      ldcix %0,0, %1;  \
+			      .machine pop;"
 			     : "=r" (ret) : "r" (paddr) : "memory");
 	return ret;
 }
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index 8ebdd23d987c..2aefe14e1442 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -96,6 +96,8 @@ static inline bool kdump_in_progress(void)
 void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_code_buffer,
 			 unsigned long start_address) __noreturn;
 
+void kexec_copy_flush(struct kimage *image);
+
 #ifdef CONFIG_KEXEC_FILE
 extern const struct kexec_file_ops kexec_elf64_ops;
 
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index d9bf60bf0816..faf301d0dec0 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -26,6 +26,8 @@
 #include <asm/hvcall.h>
 #include <asm/mce.h>
 
+#define __KVM_HAVE_ARCH_VCPU_DEBUGFS
+
 #define KVM_MAX_VCPUS		NR_CPUS
 #define KVM_MAX_VCORES		NR_CPUS
 
@@ -295,7 +297,6 @@ struct kvm_arch {
 	bool dawr1_enabled;
 	pgd_t *pgtable;
 	u64 process_table;
-	struct dentry *debugfs_dir;
 	struct kvm_resize_hpt *resize_hpt; /* protected by kvm->lock */
 #endif /* CONFIG_KVM_BOOK3S_HV_POSSIBLE */
 #ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
@@ -673,7 +674,6 @@ struct kvm_vcpu_arch {
 	u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 	u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
 	u64 timing_last_exit;
-	struct dentry *debugfs_exit_timing;
 #endif
 
 #ifdef CONFIG_PPC_BOOK3S
@@ -831,8 +831,6 @@ struct kvm_vcpu_arch {
 	struct kvmhv_tb_accumulator rm_exit;	/* real-mode exit code */
 	struct kvmhv_tb_accumulator guest_time;	/* guest execution */
 	struct kvmhv_tb_accumulator cede_time;	/* time napping inside guest */
-
-	struct dentry *debugfs_dir;
 #endif /* CONFIG_KVM_BOOK3S_HV_EXIT_TIMING */
 };
 
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index a14dbcd1b8ce..c583d0c37f31 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -314,6 +314,8 @@ struct kvmppc_ops {
 	int (*svm_off)(struct kvm *kvm);
 	int (*enable_dawr1)(struct kvm *kvm);
 	bool (*hash_v3_possible)(void);
+	int (*create_vm_debugfs)(struct kvm *kvm);
+	int (*create_vcpu_debugfs)(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry);
 };
 
 extern struct kvmppc_ops *kvmppc_hv_ops;
diff --git a/arch/powerpc/include/asm/livepatch.h b/arch/powerpc/include/asm/livepatch.h
index 4fe018cc207b..6f10de6af6e3 100644
--- a/arch/powerpc/include/asm/livepatch.h
+++ b/arch/powerpc/include/asm/livepatch.h
@@ -14,21 +14,21 @@
 #ifdef CONFIG_LIVEPATCH
 static inline void klp_arch_set_pc(struct ftrace_regs *fregs, unsigned long ip)
 {
-	struct pt_regs *regs = ftrace_get_regs(fregs);
-
-	regs_set_return_ip(regs, ip);
+	ftrace_instruction_pointer_set(fregs, ip);
 }
 
 #define klp_get_ftrace_location klp_get_ftrace_location
 static inline unsigned long klp_get_ftrace_location(unsigned long faddr)
 {
 	/*
-	 * Live patch works only with -mprofile-kernel on PPC. In this case,
-	 * the ftrace location is always within the first 16 bytes.
+	 * Live patch works on PPC32 and only with -mprofile-kernel on PPC64. In
+	 * both cases, the ftrace location is always within the first 16 bytes.
 	 */
 	return ftrace_location_range(faddr, faddr + 16);
 }
+#endif /* CONFIG_LIVEPATCH */
 
+#ifdef CONFIG_LIVEPATCH_64
 static inline void klp_init_thread_info(struct task_struct *p)
 {
 	/* + 1 to account for STACK_END_MAGIC */
@@ -36,6 +36,6 @@ static inline void klp_init_thread_info(struct task_struct *p)
 }
 #else
 static inline void klp_init_thread_info(struct task_struct *p) { }
-#endif /* CONFIG_LIVEPATCH */
+#endif
 
 #endif /* _ASM_POWERPC_LIVEPATCH_H */
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index e821037f74f0..358d171ae8e0 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -10,11 +10,6 @@
 
 #include <asm/setup.h>
 
-/* We export this macro for external modules like Alsa to know if
- * ppc_md.feature_call is implemented or not
- */
-#define CONFIG_PPC_HAS_FEATURE_CALLS
-
 struct pt_regs;
 struct pci_bus;	
 struct device_node;
@@ -99,6 +94,8 @@ struct machdep_calls {
 	/* Called during machine check exception to retrive fixup address. */
 	bool		(*mce_check_early_recovery)(struct pt_regs *regs);
 
+	void            (*machine_check_log_err)(void);
+
 	/* Motherboard/chipset features. This is a kind of general purpose
 	 * hook used to control some machine specific features (like reset
 	 * lines, chip power control, etc...).
@@ -235,21 +232,6 @@ extern struct machdep_calls *machine_id;
 		machine_id == &mach_##name; \
 	})
 
-#ifdef CONFIG_PPC_PMAC
-/*
- * Power macintoshes have either a CUDA, PMU or SMU controlling
- * system reset, power, NVRAM, RTC.
- */
-typedef enum sys_ctrler_kind {
-	SYS_CTRLER_UNKNOWN = 0,
-	SYS_CTRLER_CUDA = 1,
-	SYS_CTRLER_PMU = 2,
-	SYS_CTRLER_SMU = 3,
-} sys_ctrler_t;
-extern sys_ctrler_t sys_ctrler;
-
-#endif /* CONFIG_PPC_PMAC */
-
 static inline void log_error(char *buf, unsigned int err_type, int fatal)
 {
 	if (ppc_md.log_error)
diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h
index 331d944280b8..c9f0936bd3c9 100644
--- a/arch/powerpc/include/asm/mce.h
+++ b/arch/powerpc/include/asm/mce.h
@@ -235,8 +235,21 @@ extern void machine_check_print_event_info(struct machine_check_event *evt,
 unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr);
 extern void mce_common_process_ue(struct pt_regs *regs,
 				  struct mce_error_info *mce_err);
+void mce_irq_work_queue(void);
 int mce_register_notifier(struct notifier_block *nb);
 int mce_unregister_notifier(struct notifier_block *nb);
+
+#ifdef CONFIG_PPC_BOOK3S_64
+void mce_run_irq_context_handlers(void);
+#else
+static inline void mce_run_irq_context_handlers(void) { };
+#endif /* CONFIG_PPC_BOOK3S_64 */
+
+#ifdef CONFIG_PPC_BOOK3S_64
+void set_mce_pending_irq_work(void);
+void clear_mce_pending_irq_work(void);
+#endif /* CONFIG_PPC_BOOK3S_64 */
+
 #ifdef CONFIG_PPC_BOOK3S_64
 void flush_and_reload_slb(void);
 void flush_erat(void);
diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index dcc9b338e042..9091e4904a6b 100644
--- a/arch/powerpc/include/asm/nohash/32/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -338,9 +338,6 @@ static inline int pte_young(pte_t pte)
 	return pte_val(pte) & _PAGE_ACCESSED;
 }
 
-#define __HAVE_ARCH_PTE_SAME
-#define pte_same(A,B)	((pte_val(A) ^ pte_val(B)) == 0)
-
 /*
  * Note that on Book E processors, the pmd contains the kernel virtual
  * (lowmem) address of the pte page.  The physical address is less useful
diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 78888b0c30f6..57083f95e82b 100644
--- a/arch/powerpc/include/asm/nohash/64/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -282,9 +282,6 @@ static inline void __ptep_set_access_flags(struct vm_area_struct *vma,
 	flush_tlb_page(vma, address);
 }
 
-#define __HAVE_ARCH_PTE_SAME
-#define pte_same(A,B)	((pte_val(A) ^ pte_val(B)) == 0)
-
 #define pte_ERROR(e) \
 	pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
 #define pmd_ERROR(e) \
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 295573a82c66..8330968ca346 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -288,6 +288,7 @@ struct paca_struct {
 #endif
 #ifdef CONFIG_PPC_BOOK3S_64
 	struct mce_info *mce_info;
+	u8 mce_pending_irq_work;
 #endif /* CONFIG_PPC_BOOK3S_64 */
 } ____cacheline_aligned;
 
diff --git a/arch/powerpc/include/asm/pmac_feature.h b/arch/powerpc/include/asm/pmac_feature.h
index e08e829261b6..2495866f2e97 100644
--- a/arch/powerpc/include/asm/pmac_feature.h
+++ b/arch/powerpc/include/asm/pmac_feature.h
@@ -401,5 +401,17 @@ extern u32 __iomem *uninorth_base;
  */
 extern int pmac_get_uninorth_variant(void);
 
+/*
+ * Power macintoshes have either a CUDA, PMU or SMU controlling
+ * system reset, power, NVRAM, RTC.
+ */
+typedef enum sys_ctrler_kind {
+	SYS_CTRLER_UNKNOWN = 0,
+	SYS_CTRLER_CUDA = 1,
+	SYS_CTRLER_PMU = 2,
+	SYS_CTRLER_SMU = 3,
+} sys_ctrler_t;
+extern sys_ctrler_t sys_ctrler;
+
 #endif /* __ASM_POWERPC_PMAC_FEATURE_H */
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 9675303b724e..82f1f0041c6f 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -262,6 +262,8 @@
 #define PPC_INST_MFSPR_PVR		0x7c1f42a6
 #define PPC_INST_MFSPR_PVR_MASK		0xfc1ffffe
 #define PPC_INST_MTMSRD			0x7c000164
+#define PPC_INST_PASTE			0x7c20070d
+#define PPC_INST_PASTE_MASK		0xfc2007ff
 #define PPC_INST_POPCNTB		0x7c0000f4
 #define PPC_INST_POPCNTB_MASK		0xfc0007fe
 #define PPC_INST_RFEBB			0x4c000124
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index f21e6bde17a1..4dea2d963738 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -203,12 +203,7 @@ GLUE(.,name):
 
 #else /* 32-bit */
 
-#define _ENTRY(n)	\
-	.globl n;	\
-n:
-
 #define _GLOBAL(n)	\
-	.stabs __stringify(n:F-1),N_FUN,0,0,n;\
 	.globl n;	\
 n:
 
@@ -697,12 +692,6 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
 #define	evr30	30
 #define	evr31	31
 
-/* some stab codes */
-#define N_FUN	36
-#define N_RSYM	64
-#define N_SLINE	68
-#define N_SO	100
-
 #define RFSCV	.long 0x4c0000a4
 
 /*
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 2c8686d9e964..39c25021030f 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -411,6 +411,8 @@ extern int powersave_nap;	/* set if nap mode can be used in idle loop */
 extern void power7_idle_type(unsigned long type);
 extern void arch300_idle_type(unsigned long stop_psscr_val,
 			      unsigned long stop_psscr_mask);
+void pnv_power9_force_smt4_catch(void);
+void pnv_power9_force_smt4_release(void);
 
 extern int fix_alignment(struct pt_regs *);
 
@@ -427,6 +429,12 @@ extern int fix_alignment(struct pt_regs *);
 
 int do_mathemu(struct pt_regs *regs);
 
+/* VMX copying */
+int enter_vmx_usercopy(void);
+int exit_vmx_usercopy(void);
+int enter_vmx_ops(void);
+void *exit_vmx_ops(void *dest);
+
 #endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
 #endif /* _ASM_POWERPC_PROCESSOR_H */
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 82e5b055fa2a..00531af17ce0 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -274,7 +274,6 @@ extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
 #ifdef CONFIG_PPC_PSERIES
 extern time64_t last_rtas_event;
 extern int clobbering_unread_rtas_event(void);
-extern int pseries_devicetree_update(s32 scope);
 extern void post_mobility_fixup(void);
 int rtas_syscall_dispatch_ibm_suspend_me(u64 handle);
 #else
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 38f79e42bf3c..8be2c491c733 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -6,6 +6,10 @@
 #include <linux/elf.h>
 #include <linux/uaccess.h>
 
+#ifdef CONFIG_HAVE_FUNCTION_DESCRIPTORS
+typedef struct func_desc func_desc_t;
+#endif
+
 #include <asm-generic/sections.h>
 
 extern char __head_end[];
@@ -54,31 +58,6 @@ static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
 		(unsigned long)_stext < end;
 }
 
-#ifdef PPC64_ELF_ABI_v1
-
-#define HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR 1
-
-#undef dereference_function_descriptor
-static inline void *dereference_function_descriptor(void *ptr)
-{
-	struct ppc64_opd_entry *desc = ptr;
-	void *p;
-
-	if (!get_kernel_nofault(p, (void *)&desc->funcaddr))
-		ptr = p;
-	return ptr;
-}
-
-#undef dereference_kernel_function_descriptor
-static inline void *dereference_kernel_function_descriptor(void *ptr)
-{
-	if (ptr < (void *)__start_opd || ptr >= (void *)__end_opd)
-		return ptr;
-
-	return dereference_function_descriptor(ptr);
-}
-#endif /* PPC64_ELF_ABI_v1 */
-
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/set_memory.h b/arch/powerpc/include/asm/set_memory.h
index b040094f7920..7ebc807aa8cc 100644
--- a/arch/powerpc/include/asm/set_memory.h
+++ b/arch/powerpc/include/asm/set_memory.h
@@ -6,6 +6,8 @@
 #define SET_MEMORY_RW	1
 #define SET_MEMORY_NX	2
 #define SET_MEMORY_X	3
+#define SET_MEMORY_NP	4	/* Set memory non present */
+#define SET_MEMORY_P	5	/* Set memory present */
 
 int change_memory_attr(unsigned long addr, int numpages, long action);
 
@@ -29,6 +31,14 @@ static inline int set_memory_x(unsigned long addr, int numpages)
 	return change_memory_attr(addr, numpages, SET_MEMORY_X);
 }
 
-int set_memory_attr(unsigned long addr, int numpages, pgprot_t prot);
+static inline int set_memory_np(unsigned long addr, int numpages)
+{
+	return change_memory_attr(addr, numpages, SET_MEMORY_NP);
+}
+
+static inline int set_memory_p(unsigned long addr, int numpages)
+{
+	return change_memory_attr(addr, numpages, SET_MEMORY_P);
+}
 
 #endif
diff --git a/arch/powerpc/include/asm/setup.h b/arch/powerpc/include/asm/setup.h
index d0d3dd531c7f..049ca26893e6 100644
--- a/arch/powerpc/include/asm/setup.h
+++ b/arch/powerpc/include/asm/setup.h
@@ -76,6 +76,13 @@ static inline void setup_spectre_v2(void) {}
 #endif
 void __init do_btb_flush_fixups(void);
 
+#ifdef CONFIG_PPC32
+unsigned long __init early_init(unsigned long dt_ptr);
+void __init machine_init(u64 dt_ptr);
+#endif
+void __init early_setup(unsigned long dt_ptr);
+void early_setup_secondary(void);
+
 #endif /* !__ASSEMBLY__ */
 
 #endif	/* _ASM_POWERPC_SETUP_H */
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 007332a4a732..60ab739a5e3b 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -60,6 +60,9 @@ struct smp_ops_t {
 #endif
 };
 
+extern struct task_struct *secondary_current;
+
+void start_secondary(void *unused);
 extern int smp_send_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us);
 extern int smp_send_safe_nmi_ipi(int cpu, void (*fn)(struct pt_regs *), u64 delay_us);
 extern void smp_send_debugger_break(void);
diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h
index 8a2d11ba0dae..96ad4510c895 100644
--- a/arch/powerpc/include/asm/spu.h
+++ b/arch/powerpc/include/asm/spu.h
@@ -249,8 +249,8 @@ void unregister_spu_syscalls(struct spufs_calls *calls);
 int spu_add_dev_attr(struct device_attribute *attr);
 void spu_remove_dev_attr(struct device_attribute *attr);
 
-int spu_add_dev_attr_group(struct attribute_group *attrs);
-void spu_remove_dev_attr_group(struct attribute_group *attrs);
+int spu_add_dev_attr_group(const struct attribute_group *attrs);
+void spu_remove_dev_attr_group(const struct attribute_group *attrs);
 
 extern void notify_spus_active(void);
 extern void do_notify_spus_active(void);
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 7ee66ae5444d..a2b13e55254f 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -18,6 +18,10 @@ asmlinkage long sys_mmap2(unsigned long addr, size_t len,
 		unsigned long fd, unsigned long pgoff);
 asmlinkage long ppc64_personality(unsigned long personality);
 asmlinkage long sys_rtas(struct rtas_args __user *uargs);
+int ppc_select(int n, fd_set __user *inp, fd_set __user *outp,
+	       fd_set __user *exp, struct __kernel_old_timeval __user *tvp);
+long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
+		      u32 len_high, u32 len_low);
 
 #ifdef CONFIG_COMPAT
 unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h
index d6e649b3c70b..125328d1b980 100644
--- a/arch/powerpc/include/asm/thread_info.h
+++ b/arch/powerpc/include/asm/thread_info.h
@@ -51,7 +51,7 @@ struct thread_info {
 	unsigned int	cpu;
 #endif
 	unsigned long	local_flags;		/* private flags for thread */
-#ifdef CONFIG_LIVEPATCH
+#ifdef CONFIG_LIVEPATCH_64
 	unsigned long *livepatch_sp;
 #endif
 #if defined(CONFIG_VIRT_CPU_ACCOUNTING_NATIVE) && defined(CONFIG_PPC32)
diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h
index f1630c553efe..84078c28c1a2 100644
--- a/arch/powerpc/include/asm/types.h
+++ b/arch/powerpc/include/asm/types.h
@@ -13,9 +13,9 @@
 
 #ifdef __powerpc64__
 #if defined(_CALL_ELF) && _CALL_ELF == 2
-#define PPC64_ELF_ABI_v2
+#define PPC64_ELF_ABI_v2 1
 #else
-#define PPC64_ELF_ABI_v1
+#define PPC64_ELF_ABI_v1 1
 #endif
 #endif /* __powerpc64__ */
 
@@ -23,12 +23,6 @@
 
 typedef __vector128 vector128;
 
-typedef struct {
-	unsigned long entry;
-	unsigned long toc;
-	unsigned long env;
-} func_descr_t;
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_POWERPC_TYPES_H */
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 2e83217f52de..9b82b38ff867 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -116,8 +116,11 @@ do {								\
  */
 #define __get_user_atomic_128_aligned(kaddr, uaddr, err)		\
 	__asm__ __volatile__(				\
+		".machine push\n"			\
+		".machine altivec\n"			\
 		"1:	lvx  0,0,%1	# get user\n"	\
 		" 	stvx 0,0,%2	# put kernel\n"	\
+		".machine pop\n"			\
 		"2:\n"					\
 		".section .fixup,\"ax\"\n"		\
 		"3:	li %0,%3\n"			\
diff --git a/arch/powerpc/include/asm/vas.h b/arch/powerpc/include/asm/vas.h
index 57573d9c1e09..83afcb6c194b 100644
--- a/arch/powerpc/include/asm/vas.h
+++ b/arch/powerpc/include/asm/vas.h
@@ -30,6 +30,16 @@
 #define VAS_THRESH_FIFO_GT_EIGHTH_FULL	3
 
 /*
+ * VAS window Linux status bits
+ */
+#define VAS_WIN_ACTIVE		0x0	/* Used in platform independent */
+					/* vas mmap() */
+/* Window is closed in the hypervisor due to lost credit */
+#define VAS_WIN_NO_CRED_CLOSE	0x00000001
+/* Window is closed due to migration */
+#define VAS_WIN_MIGRATE_CLOSE	0x00000002
+
+/*
  * Get/Set bit fields
  */
 #define GET_FIELD(m, v)                (((v) & (m)) >> MASK_LSH(m))
@@ -59,6 +69,9 @@ struct vas_user_win_ref {
 	struct pid *pid;	/* PID of owner */
 	struct pid *tgid;	/* Thread group ID of owner */
 	struct mm_struct *mm;	/* Linux process mm_struct */
+	struct mutex mmap_mutex;	/* protects paste address mmap() */
+					/* with DLPAR close/open windows */
+	struct vm_area_struct *vma;	/* Save VMA and used in DLPAR ops */
 };
 
 /*
@@ -67,6 +80,7 @@ struct vas_user_win_ref {
 struct vas_window {
 	u32 winid;
 	u32 wcreds_max;	/* Window credits */
+	u32 status;	/* Window status used in OS */
 	enum vas_cop_type cop;
 	struct vas_user_win_ref task_ref;
 	char *dbgname;
diff --git a/arch/powerpc/include/asm/vdso/gettimeofday.h b/arch/powerpc/include/asm/vdso/gettimeofday.h
index 1faff0be1111..f0a4cf01e85c 100644
--- a/arch/powerpc/include/asm/vdso/gettimeofday.h
+++ b/arch/powerpc/include/asm/vdso/gettimeofday.h
@@ -2,74 +2,9 @@
 #ifndef _ASM_POWERPC_VDSO_GETTIMEOFDAY_H
 #define _ASM_POWERPC_VDSO_GETTIMEOFDAY_H
 
-#include <asm/page.h>
-
-#ifdef __ASSEMBLY__
-
-#include <asm/ppc_asm.h>
-
-/*
- * The macros sets two stack frames, one for the caller and one for the callee
- * because there are no requirement for the caller to set a stack frame when
- * calling VDSO so it may have omitted to set one, especially on PPC64
- */
-
-.macro cvdso_call funct
-  .cfi_startproc
-	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
-	mflr		r0
-  .cfi_register lr, r0
-	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
-	PPC_STL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
-#ifdef __powerpc64__
-	PPC_STL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
-#endif
-	get_datapage	r5
-	addi		r5, r5, VDSO_DATA_OFFSET
-	bl		DOTSYM(\funct)
-	PPC_LL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
-#ifdef __powerpc64__
-	PPC_LL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
-#endif
-	cmpwi		r3, 0
-	mtlr		r0
-  .cfi_restore lr
-	addi		r1, r1, 2 * PPC_MIN_STKFRM
-	crclr		so
-	beqlr+
-	crset		so
-	neg		r3, r3
-	blr
-  .cfi_endproc
-.endm
-
-.macro cvdso_call_time funct
-  .cfi_startproc
-	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
-	mflr		r0
-  .cfi_register lr, r0
-	PPC_STLU	r1, -PPC_MIN_STKFRM(r1)
-	PPC_STL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
-#ifdef __powerpc64__
-	PPC_STL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
-#endif
-	get_datapage	r4
-	addi		r4, r4, VDSO_DATA_OFFSET
-	bl		DOTSYM(\funct)
-	PPC_LL		r0, PPC_MIN_STKFRM + PPC_LR_STKOFF(r1)
-#ifdef __powerpc64__
-	PPC_LL		r2, PPC_MIN_STKFRM + STK_GOT(r1)
-#endif
-	crclr		so
-	mtlr		r0
-  .cfi_restore lr
-	addi		r1, r1, 2 * PPC_MIN_STKFRM
-	blr
-  .cfi_endproc
-.endm
-
-#else
+#ifndef __ASSEMBLY__
 
+#include <asm/page.h>
 #include <asm/vdso/timebase.h>
 #include <asm/barrier.h>
 #include <asm/unistd.h>
diff --git a/arch/powerpc/include/uapi/asm/elf.h b/arch/powerpc/include/uapi/asm/elf.h
index 860c59291bfc..308857123a08 100644
--- a/arch/powerpc/include/uapi/asm/elf.h
+++ b/arch/powerpc/include/uapi/asm/elf.h
@@ -289,12 +289,4 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
 /* Keep this the last entry.  */
 #define R_PPC64_NUM		253
 
-/* There's actually a third entry here, but it's unused */
-struct ppc64_opd_entry
-{
-	unsigned long funcaddr;
-	unsigned long r2;
-};
-
-
 #endif /* _UAPI_ASM_POWERPC_ELF_H */
diff --git a/arch/powerpc/include/uapi/asm/papr_pdsm.h b/arch/powerpc/include/uapi/asm/papr_pdsm.h
index 82488b1e7276..17439925045c 100644
--- a/arch/powerpc/include/uapi/asm/papr_pdsm.h
+++ b/arch/powerpc/include/uapi/asm/papr_pdsm.h
@@ -116,6 +116,22 @@ struct nd_papr_pdsm_health {
 	};
 };
 
+/* Flags for injecting specific smart errors */
+#define PDSM_SMART_INJECT_HEALTH_FATAL		(1 << 0)
+#define PDSM_SMART_INJECT_BAD_SHUTDOWN		(1 << 1)
+
+struct nd_papr_pdsm_smart_inject {
+	union {
+		struct {
+			/* One or more of PDSM_SMART_INJECT_ */
+			__u32 flags;
+			__u8 fatal_enable;
+			__u8 unsafe_shutdown_enable;
+		};
+		__u8 buf[ND_PDSM_PAYLOAD_MAX_SIZE];
+	};
+};
+
 /*
  * Methods to be embedded in ND_CMD_CALL request. These are sent to the kernel
  * via 'nd_cmd_pkg.nd_command' member of the ioctl struct
@@ -123,12 +139,14 @@ struct nd_papr_pdsm_health {
 enum papr_pdsm {
 	PAPR_PDSM_MIN = 0x0,
 	PAPR_PDSM_HEALTH,
+	PAPR_PDSM_SMART_INJECT,
 	PAPR_PDSM_MAX,
 };
 
 /* Maximal union that can hold all possible payload types */
 union nd_pdsm_payload {
 	struct nd_papr_pdsm_health health;
+	struct nd_papr_pdsm_smart_inject smart_inject;
 	__u8 buf[ND_PDSM_PAYLOAD_MAX_SIZE];
 } __packed;