Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

31 files changed, 181 insertions, 177 deletions

diff --git a/arch/powerpc/include/asm/backlight.h b/arch/powerpc/include/asm/backlight.h
index 1b5eab62ed..061a910d74 100644
--- a/arch/powerpc/include/asm/backlight.h
+++ b/arch/powerpc/include/asm/backlight.h
@@ -10,15 +10,14 @@
 #define __ASM_POWERPC_BACKLIGHT_H
 #ifdef __KERNEL__
 
-#include <linux/fb.h>
 #include <linux/mutex.h>
 
+struct backlight_device;
+
 /* For locking instructions, see the implementation file */
 extern struct backlight_device *pmac_backlight;
 extern struct mutex pmac_backlight_mutex;
 
-extern int pmac_backlight_curve_lookup(struct fb_info *info, int value);
-
 extern int pmac_has_backlight_type(const char *type);
 
 extern void pmac_backlight_key(int direction);
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index 6e70ae5116..faf3e3b4e4 100644
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -269,8 +269,6 @@ int hash__create_section_mapping(unsigned long start, unsigned long end,
 				 int nid, pgprot_t prot);
 int hash__remove_section_mapping(unsigned long start, unsigned long end);
 
-void hash__kernel_map_pages(struct page *page, int numpages, int enable);
-
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_BOOK3S_64_HASH_H */
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
index 2fce3498b0..ced7ee8b42 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
@@ -45,9 +45,9 @@ static inline int hugepd_ok(hugepd_t hpd)
 /*
  * This should never get called
  */
-static inline int get_hugepd_cache_index(int index)
+static __always_inline int get_hugepd_cache_index(int index)
 {
-	BUG();
+	BUILD_BUG();
 }
 
 #endif /* CONFIG_HUGETLB_PAGE */
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index 927d585652..fac5615e6b 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -1027,16 +1027,6 @@ static inline void vmemmap_remove_mapping(unsigned long start,
 }
 #endif
 
-#if defined(CONFIG_DEBUG_PAGEALLOC) || defined(CONFIG_KFENCE)
-static inline void __kernel_map_pages(struct page *page, int numpages, int enable)
-{
-	if (radix_enabled())
-		radix__kernel_map_pages(page, numpages, enable);
-	else
-		hash__kernel_map_pages(page, numpages, enable);
-}
-#endif
-
 static inline pte_t pmd_pte(pmd_t pmd)
 {
 	return __pte_raw(pmd_raw(pmd));
@@ -1158,20 +1148,6 @@ pud_hugepage_update(struct mm_struct *mm, unsigned long addr, pud_t *pudp,
 }
 
 /*
- * returns true for pmd migration entries, THP, devmap, hugetlb
- * But compile time dependent on THP config
- */
-static inline int pmd_large(pmd_t pmd)
-{
-	return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE));
-}
-
-static inline int pud_large(pud_t pud)
-{
-	return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE));
-}
-
-/*
  * For radix we should always find H_PAGE_HASHPTE zero. Hence
  * the below will work for radix too
  */
@@ -1451,18 +1427,16 @@ static inline bool is_pte_rw_upgrade(unsigned long old_val, unsigned long new_va
 }
 
 /*
- * Like pmd_huge() and pmd_large(), but works regardless of config options
+ * Like pmd_huge(), but works regardless of config options
  */
-#define pmd_is_leaf pmd_is_leaf
-#define pmd_leaf pmd_is_leaf
-static inline bool pmd_is_leaf(pmd_t pmd)
+#define pmd_leaf pmd_leaf
+static inline bool pmd_leaf(pmd_t pmd)
 {
 	return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE));
 }
 
-#define pud_is_leaf pud_is_leaf
-#define pud_leaf pud_is_leaf
-static inline bool pud_is_leaf(pud_t pud)
+#define pud_leaf pud_leaf
+static inline bool pud_leaf(pud_t pud)
 {
 	return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE));
 }
diff --git a/arch/powerpc/include/asm/book3s/64/radix.h b/arch/powerpc/include/asm/book3s/64/radix.h
index 357e23a403..8f55ff74bb 100644
--- a/arch/powerpc/include/asm/book3s/64/radix.h
+++ b/arch/powerpc/include/asm/book3s/64/radix.h
@@ -362,8 +362,6 @@ int radix__create_section_mapping(unsigned long start, unsigned long end,
 int radix__remove_section_mapping(unsigned long start, unsigned long end);
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
-void radix__kernel_map_pages(struct page *page, int numpages, int enable);
-
 #ifdef CONFIG_ARCH_WANT_OPTIMIZE_DAX_VMEMMAP
 #define vmemmap_can_optimize vmemmap_can_optimize
 bool vmemmap_can_optimize(struct vmem_altmap *altmap, struct dev_pagemap *pgmap);
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 8765d51583..07a204d210 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -454,6 +454,9 @@ static inline void cpu_feature_keys_init(void) { }
 	    CPU_FTR_ARCH_300 | CPU_FTR_ARCH_31 | \
 	    CPU_FTR_DAWR | CPU_FTR_DAWR1 | \
 	    CPU_FTR_DEXCR_NPHIE)
+
+#define CPU_FTRS_POWER11	CPU_FTRS_POWER10
+
 #define CPU_FTRS_CELL	(CPU_FTR_LWSYNC | \
 	    CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
 	    CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
@@ -542,19 +545,20 @@ enum {
 #define CPU_FTRS_DT_CPU_BASE	(~0ul)
 #endif
 
+/* pseries may disable DBELL with ibm,pi-features */
 #ifdef CONFIG_CPU_LITTLE_ENDIAN
 #define CPU_FTRS_ALWAYS \
-	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & CPU_FTRS_POWER7 & \
-	     CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & CPU_FTRS_POWER9 & \
-	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
+	    (CPU_FTRS_POSSIBLE & ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & \
+	     CPU_FTRS_POWER7 & CPU_FTRS_POWER8E & CPU_FTRS_POWER8 & \
+	     CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
 	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
 #else
 #define CPU_FTRS_ALWAYS		\
 	    (CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & \
 	     CPU_FTRS_POWER6 & CPU_FTRS_POWER7 & CPU_FTRS_CELL & \
 	     CPU_FTRS_PA6T & CPU_FTRS_POWER8 & CPU_FTRS_POWER8E & \
-	     ~CPU_FTR_HVMODE & CPU_FTRS_POSSIBLE & CPU_FTRS_POWER9 & \
-	     CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
+	     ~CPU_FTR_HVMODE & ~CPU_FTR_DBELL & CPU_FTRS_POSSIBLE & \
+	     CPU_FTRS_POWER9 & CPU_FTRS_POWER9_DD2_1 & CPU_FTRS_POWER9_DD2_2 & \
 	     CPU_FTRS_POWER10 & CPU_FTRS_DT_CPU_BASE)
 #endif /* CONFIG_CPU_LITTLE_ENDIAN */
 #endif
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index a41e542ba9..7a8495660c 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -524,7 +524,7 @@ long plpar_hcall_norets_notrace(unsigned long opcode, ...);
  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
  */
 #define PLPAR_HCALL_BUFSIZE 4
-long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
+long plpar_hcall(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
 
 /**
  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
@@ -538,7 +538,7 @@ long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
  * calculate hypervisor call statistics.
  */
-long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
+long plpar_hcall_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
 
 /**
  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
@@ -549,8 +549,8 @@ long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
  */
 #define PLPAR_HCALL9_BUFSIZE 9
-long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
-long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
+long plpar_hcall9(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
+long plpar_hcall9_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
 
 /* pseries hcall tracing */
 extern struct static_key hcall_tracepoint_key;
@@ -570,7 +570,7 @@ struct hvcall_mpp_data {
 	unsigned long backing_mem;
 };
 
-int h_get_mpp(struct hvcall_mpp_data *);
+long h_get_mpp(struct hvcall_mpp_data *mpp_data);
 
 struct hvcall_mpp_x_data {
 	unsigned long coalesced_bytes;
diff --git a/arch/powerpc/include/asm/ibmebus.h b/arch/powerpc/include/asm/ibmebus.h
index 6f33253a36..46fe406f46 100644
--- a/arch/powerpc/include/asm/ibmebus.h
+++ b/arch/powerpc/include/asm/ibmebus.h
@@ -48,7 +48,7 @@
 
 struct platform_driver;
 
-extern struct bus_type ibmebus_bus_type;
+extern const struct bus_type ibmebus_bus_type;
 
 int ibmebus_register_driver(struct platform_driver *drv);
 void ibmebus_unregister_driver(struct platform_driver *drv);
diff --git a/arch/powerpc/include/asm/interrupt.h b/arch/powerpc/include/asm/interrupt.h
index a4196ab1d0..7b610864b3 100644
--- a/arch/powerpc/include/asm/interrupt.h
+++ b/arch/powerpc/include/asm/interrupt.h
@@ -97,7 +97,7 @@ DECLARE_STATIC_KEY_FALSE(interrupt_exit_not_reentrant);
 
 static inline bool is_implicit_soft_masked(struct pt_regs *regs)
 {
-	if (regs->msr & MSR_PR)
+	if (user_mode(regs))
 		return false;
 
 	if (regs->nip >= (unsigned long)__end_soft_masked)
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 08c550ed49..ba2e13bb87 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -585,12 +585,12 @@ __do_out_asm(_rec_outl, "stwbrx")
 #define __do_inw(port)		_rec_inw(port)
 #define __do_inl(port)		_rec_inl(port)
 #else /* CONFIG_PPC32 */
-#define __do_outb(val, port)	writeb(val,(PCI_IO_ADDR)_IO_BASE+port);
-#define __do_outw(val, port)	writew(val,(PCI_IO_ADDR)_IO_BASE+port);
-#define __do_outl(val, port)	writel(val,(PCI_IO_ADDR)_IO_BASE+port);
-#define __do_inb(port)		readb((PCI_IO_ADDR)_IO_BASE + port);
-#define __do_inw(port)		readw((PCI_IO_ADDR)_IO_BASE + port);
-#define __do_inl(port)		readl((PCI_IO_ADDR)_IO_BASE + port);
+#define __do_outb(val, port)	writeb(val,(PCI_IO_ADDR)(_IO_BASE+port));
+#define __do_outw(val, port)	writew(val,(PCI_IO_ADDR)(_IO_BASE+port));
+#define __do_outl(val, port)	writel(val,(PCI_IO_ADDR)(_IO_BASE+port));
+#define __do_inb(port)		readb((PCI_IO_ADDR)(_IO_BASE + port));
+#define __do_inw(port)		readw((PCI_IO_ADDR)(_IO_BASE + port));
+#define __do_inl(port)		readl((PCI_IO_ADDR)(_IO_BASE + port));
 #endif /* !CONFIG_PPC32 */
 
 #ifdef CONFIG_EEH
@@ -606,12 +606,12 @@ __do_out_asm(_rec_outl, "stwbrx")
 #define __do_writesw(a, b, n)	_outsw(PCI_FIX_ADDR(a),(b),(n))
 #define __do_writesl(a, b, n)	_outsl(PCI_FIX_ADDR(a),(b),(n))
 
-#define __do_insb(p, b, n)	readsb((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
-#define __do_insw(p, b, n)	readsw((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
-#define __do_insl(p, b, n)	readsl((PCI_IO_ADDR)_IO_BASE+(p), (b), (n))
-#define __do_outsb(p, b, n)	writesb((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
-#define __do_outsw(p, b, n)	writesw((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
-#define __do_outsl(p, b, n)	writesl((PCI_IO_ADDR)_IO_BASE+(p),(b),(n))
+#define __do_insb(p, b, n)	readsb((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n))
+#define __do_insw(p, b, n)	readsw((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n))
+#define __do_insl(p, b, n)	readsl((PCI_IO_ADDR)(_IO_BASE+(p)), (b), (n))
+#define __do_outsb(p, b, n)	writesb((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n))
+#define __do_outsw(p, b, n)	writesw((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n))
+#define __do_outsl(p, b, n)	writesl((PCI_IO_ADDR)(_IO_BASE+(p)),(b),(n))
 
 #define __do_memset_io(addr, c, n)	\
 				_memset_io(PCI_FIX_ADDR(addr), c, n)
diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h
index e1b43aa121..fdb90e24dc 100644
--- a/arch/powerpc/include/asm/kexec.h
+++ b/arch/powerpc/include/asm/kexec.h
@@ -55,59 +55,18 @@
 typedef void (*crash_shutdown_t)(void);
 
 #ifdef CONFIG_KEXEC_CORE
-
-/*
- * This function is responsible for capturing register states if coming
- * via panic or invoking dump using sysrq-trigger.
- */
-static inline void crash_setup_regs(struct pt_regs *newregs,
-					struct pt_regs *oldregs)
-{
-	if (oldregs)
-		memcpy(newregs, oldregs, sizeof(*newregs));
-	else
-		ppc_save_regs(newregs);
-}
+struct kimage;
+struct pt_regs;
 
 extern void kexec_smp_wait(void);	/* get and clear naca physid, wait for
 					  master to copy new code to 0 */
-extern int crashing_cpu;
-extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
-extern void crash_ipi_callback(struct pt_regs *);
-extern int crash_wake_offline;
-
-struct kimage;
-struct pt_regs;
 extern void default_machine_kexec(struct kimage *image);
-extern void default_machine_crash_shutdown(struct pt_regs *regs);
-extern int crash_shutdown_register(crash_shutdown_t handler);
-extern int crash_shutdown_unregister(crash_shutdown_t handler);
-
-extern void crash_kexec_prepare(void);
-extern void crash_kexec_secondary(struct pt_regs *regs);
-int __init overlaps_crashkernel(unsigned long start, unsigned long size);
-extern void reserve_crashkernel(void);
 extern void machine_kexec_mask_interrupts(void);
 
-static inline bool kdump_in_progress(void)
-{
-	return crashing_cpu >= 0;
-}
-
 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);
 
-#if defined(CONFIG_CRASH_DUMP)
-bool is_kdump_kernel(void);
-#define is_kdump_kernel			is_kdump_kernel
-#if defined(CONFIG_PPC_RTAS)
-void crash_free_reserved_phys_range(unsigned long begin, unsigned long end);
-#define crash_free_reserved_phys_range crash_free_reserved_phys_range
-#endif /* CONFIG_PPC_RTAS */
-#endif /* CONFIG_CRASH_DUMP */
-
 #ifdef CONFIG_KEXEC_FILE
 extern const struct kexec_file_ops kexec_elf64_ops;
 
@@ -152,15 +111,56 @@ int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
 
 #endif /* CONFIG_KEXEC_FILE */
 
-#else /* !CONFIG_KEXEC_CORE */
-static inline void crash_kexec_secondary(struct pt_regs *regs) { }
+#endif /* CONFIG_KEXEC_CORE */
+
+#ifdef CONFIG_CRASH_RESERVE
+int __init overlaps_crashkernel(unsigned long start, unsigned long size);
+extern void reserve_crashkernel(void);
+#else
+static inline void reserve_crashkernel(void) {}
+static inline int overlaps_crashkernel(unsigned long start, unsigned long size) { return 0; }
+#endif
 
-static inline int overlaps_crashkernel(unsigned long start, unsigned long size)
+#if defined(CONFIG_CRASH_DUMP)
+/*
+ * This function is responsible for capturing register states if coming
+ * via panic or invoking dump using sysrq-trigger.
+ */
+static inline void crash_setup_regs(struct pt_regs *newregs,
+					struct pt_regs *oldregs)
 {
-	return 0;
+	if (oldregs)
+		memcpy(newregs, oldregs, sizeof(*newregs));
+	else
+		ppc_save_regs(newregs);
+}
+
+extern int crashing_cpu;
+extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
+extern void crash_ipi_callback(struct pt_regs *regs);
+extern int crash_wake_offline;
+
+extern int crash_shutdown_register(crash_shutdown_t handler);
+extern int crash_shutdown_unregister(crash_shutdown_t handler);
+extern void default_machine_crash_shutdown(struct pt_regs *regs);
+
+extern void crash_kexec_prepare(void);
+extern void crash_kexec_secondary(struct pt_regs *regs);
+
+static inline bool kdump_in_progress(void)
+{
+	return crashing_cpu >= 0;
 }
 
-static inline void reserve_crashkernel(void) { ; }
+bool is_kdump_kernel(void);
+#define is_kdump_kernel			is_kdump_kernel
+#if defined(CONFIG_PPC_RTAS)
+void crash_free_reserved_phys_range(unsigned long begin, unsigned long end);
+#define crash_free_reserved_phys_range crash_free_reserved_phys_range
+#endif /* CONFIG_PPC_RTAS */
+
+#else /* !CONFIG_CRASH_DUMP */
+static inline void crash_kexec_secondary(struct pt_regs *regs) { }
 
 static inline int crash_shutdown_register(crash_shutdown_t handler)
 {
@@ -183,7 +183,7 @@ static inline void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
 {
 }
 
-#endif /* CONFIG_KEXEC_CORE */
+#endif /* CONFIG_CRASH_DUMP */
 
 #ifdef CONFIG_PPC_BOOK3S_64
 #include <asm/book3s/64/kexec.h>
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index d31a5ec155..1862f94335 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -22,6 +22,7 @@ struct pci_host_bridge;
 struct machdep_calls {
 	const char	*name;
 	const char	*compatible;
+	const char * const *compatibles;
 #ifdef CONFIG_PPC64
 #ifdef CONFIG_PM
 	void		(*iommu_restore)(void);
diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index 3a07c62973..9203ff6acb 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -6,7 +6,7 @@
 #include <linux/of.h>
 #include <linux/platform_device.h>
 
-extern struct bus_type macio_bus_type;
+extern const struct bus_type macio_bus_type;
 
 /* MacIO device driver is defined later */
 struct macio_driver;
@@ -126,7 +126,7 @@ static inline struct pci_dev *macio_get_pci_dev(struct macio_dev *mdev)
 struct macio_driver
 {
 	int	(*probe)(struct macio_dev* dev, const struct of_device_id *match);
-	int	(*remove)(struct macio_dev* dev);
+	void	(*remove)(struct macio_dev *dev);
 
 	int	(*suspend)(struct macio_dev* dev, pm_message_t state);
 	int	(*resume)(struct macio_dev* dev);
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index d8b7e246a3..3b72c7ed24 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -133,6 +133,7 @@
 #define MMU_FTRS_POWER8		MMU_FTRS_POWER6
 #define MMU_FTRS_POWER9		MMU_FTRS_POWER6
 #define MMU_FTRS_POWER10	MMU_FTRS_POWER6
+#define MMU_FTRS_POWER11	MMU_FTRS_POWER6
 #define MMU_FTRS_CELL		MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
 				MMU_FTR_CI_LARGE_PAGE
 #define MMU_FTRS_PA6T		MMU_FTRS_DEFAULT_HPTE_ARCH_V2 | \
@@ -330,17 +331,10 @@ static __always_inline bool early_radix_enabled(void)
 	return early_mmu_has_feature(MMU_FTR_TYPE_RADIX);
 }
 
-#ifdef CONFIG_STRICT_KERNEL_RWX
 static inline bool strict_kernel_rwx_enabled(void)
 {
-	return rodata_enabled;
+	return IS_ENABLED(CONFIG_STRICT_KERNEL_RWX) && rodata_enabled;
 }
-#else
-static inline bool strict_kernel_rwx_enabled(void)
-{
-	return false;
-}
-#endif
 
 static inline bool strict_module_rwx_enabled(void)
 {
diff --git a/arch/powerpc/include/asm/mpic.h b/arch/powerpc/include/asm/mpic.h
index 58353c5bd3..0c03a98986 100644
--- a/arch/powerpc/include/asm/mpic.h
+++ b/arch/powerpc/include/asm/mpic.h
@@ -336,7 +336,7 @@ struct mpic
 #endif
 };
 
-extern struct bus_type mpic_subsys;
+extern const struct bus_type mpic_subsys;
 
 /*
  * MPIC flags (passed to mpic_alloc)
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index e667d455ec..1d58da9467 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -163,9 +163,7 @@ struct paca_struct {
 	u64 kstack;			/* Saved Kernel stack addr */
 	u64 saved_r1;			/* r1 save for RTAS calls or PM or EE=0 */
 	u64 saved_msr;			/* MSR saved here by enter_rtas */
-#ifdef CONFIG_PPC64
 	u64 exit_save_r1;		/* Syscall/interrupt R1 save */
-#endif
 #ifdef CONFIG_PPC_BOOK3E_64
 	u16 trap_save;			/* Used when bad stack is encountered */
 #endif
@@ -214,8 +212,6 @@ struct paca_struct {
 	/* Non-maskable exceptions that are not performance critical */
 	u64 exnmi[EX_SIZE];	/* used for system reset (nmi) */
 	u64 exmc[EX_SIZE];	/* used for machine checks */
-#endif
-#ifdef CONFIG_PPC_BOOK3S_64
 	/* Exclusive stacks for system reset and machine check exception. */
 	void *nmi_emergency_sp;
 	void *mc_emergency_sp;
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index e5fcc79b5b..e411e5a70e 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -21,7 +21,7 @@
  * page size. When using 64K pages however, whether we are really supporting
  * 64K pages in HW or not is irrelevant to those definitions.
  */
-#define PAGE_SHIFT		CONFIG_PPC_PAGE_SHIFT
+#define PAGE_SHIFT		CONFIG_PAGE_SHIFT
 #define PAGE_SIZE		(ASM_CONST(1) << PAGE_SHIFT)
 
 #ifndef __ASSEMBLY__
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index 9224f23065..239709a2f6 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -41,6 +41,8 @@ struct mm_struct;
 
 #ifndef __ASSEMBLY__
 
+#define PFN_PTE_SHIFT		PTE_RPN_SHIFT
+
 void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
 		pte_t pte, unsigned int nr);
 #define set_ptes set_ptes
@@ -99,10 +101,6 @@ void poking_init(void);
 extern unsigned long ioremap_bot;
 extern const pgprot_t protection_map[16];
 
-#ifndef CONFIG_TRANSPARENT_HUGEPAGE
-#define pmd_large(pmd)		0
-#endif
-
 /* can we use this in kvm */
 unsigned long vmalloc_to_phys(void *vmalloc_addr);
 
@@ -180,30 +178,6 @@ static inline void pte_frag_set(mm_context_t *ctx, void *p)
 }
 #endif
 
-#ifndef pmd_is_leaf
-#define pmd_is_leaf pmd_is_leaf
-static inline bool pmd_is_leaf(pmd_t pmd)
-{
-	return false;
-}
-#endif
-
-#ifndef pud_is_leaf
-#define pud_is_leaf pud_is_leaf
-static inline bool pud_is_leaf(pud_t pud)
-{
-	return false;
-}
-#endif
-
-#ifndef p4d_is_leaf
-#define p4d_is_leaf p4d_is_leaf
-static inline bool p4d_is_leaf(p4d_t p4d)
-{
-	return false;
-}
-#endif
-
 #define pmd_pgtable pmd_pgtable
 static inline pgtable_t pmd_pgtable(pmd_t pmd)
 {
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 005601243d..076ae60b4a 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -510,6 +510,7 @@
 #define PPC_RAW_STB(r, base, i)		(0x98000000 | ___PPC_RS(r) | ___PPC_RA(base) | IMM_L(i))
 #define PPC_RAW_LBZ(r, base, i)		(0x88000000 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i))
 #define PPC_RAW_LDX(r, base, b)		(0x7c00002a | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
+#define PPC_RAW_LHA(r, base, i)		(0xa8000000 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i))
 #define PPC_RAW_LHZ(r, base, i)		(0xa0000000 | ___PPC_RT(r) | ___PPC_RA(base) | IMM_L(i))
 #define PPC_RAW_LHBRX(r, base, b)	(0x7c00062c | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
 #define PPC_RAW_LWBRX(r, base, b)	(0x7c00042c | ___PPC_RT(r) | ___PPC_RA(base) | ___PPC_RB(b))
@@ -532,6 +533,7 @@
 #define PPC_RAW_MULW(d, a, b)		(0x7c0001d6 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b))
 #define PPC_RAW_MULHWU(d, a, b)		(0x7c000016 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b))
 #define PPC_RAW_MULI(d, a, i)		(0x1c000000 | ___PPC_RT(d) | ___PPC_RA(a) | IMM_L(i))
+#define PPC_RAW_DIVW(d, a, b)		(0x7c0003d6 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b))
 #define PPC_RAW_DIVWU(d, a, b)		(0x7c000396 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b))
 #define PPC_RAW_DIVDU(d, a, b)		(0x7c000392 | ___PPC_RT(d) | ___PPC_RA(a) | ___PPC_RB(b))
 #define PPC_RAW_DIVDE(t, a, b)		(0x7c000352 | ___PPC_RT(t) | ___PPC_RA(a) | ___PPC_RB(b))
@@ -550,6 +552,8 @@
 #define PPC_RAW_XOR(d, a, b)		(0x7c000278 | ___PPC_RA(d) | ___PPC_RS(a) | ___PPC_RB(b))
 #define PPC_RAW_XORI(d, a, i)		(0x68000000 | ___PPC_RA(d) | ___PPC_RS(a) | IMM_L(i))
 #define PPC_RAW_XORIS(d, a, i)		(0x6c000000 | ___PPC_RA(d) | ___PPC_RS(a) | IMM_L(i))
+#define PPC_RAW_EXTSB(d, a)		(0x7c000774 | ___PPC_RA(d) | ___PPC_RS(a))
+#define PPC_RAW_EXTSH(d, a)		(0x7c000734 | ___PPC_RA(d) | ___PPC_RS(a))
 #define PPC_RAW_EXTSW(d, a)		(0x7c0007b4 | ___PPC_RA(d) | ___PPC_RS(a))
 #define PPC_RAW_SLW(d, a, s)		(0x7c000030 | ___PPC_RA(d) | ___PPC_RS(a) | ___PPC_RB(s))
 #define PPC_RAW_SLD(d, a, s)		(0x7c000036 | ___PPC_RA(d) | ___PPC_RS(a) | ___PPC_RB(s))
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index e7792aa135..1d1018c1e4 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -201,11 +201,13 @@
 
 #ifdef CONFIG_PPC64_ELF_ABI_V2
 #define STK_GOT		24
-#define __STK_PARAM(i)	(32 + ((i)-3)*8)
+#define STK_PARAM_AREA	32
 #else
 #define STK_GOT		40
-#define __STK_PARAM(i)	(48 + ((i)-3)*8)
+#define STK_PARAM_AREA	48
 #endif
+
+#define __STK_PARAM(i)	(STK_PARAM_AREA + ((i)-3)*8)
 #define STK_PARAM(i)	__STK_PARAM(__REG_##i)
 
 #ifdef CONFIG_PPC64_ELF_ABI_V2
@@ -506,7 +508,25 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
  */
 #define DCBT_BOOK3S_STOP_ALL_STREAM_IDS(scratch)	\
        lis     scratch,0x60000000@h;			\
-       dcbt    0,scratch,0b01010
+       .machine push;					\
+       .machine power4;					\
+       dcbt    0,scratch,0b01010;			\
+       .machine pop;
+
+#define DCBT_SETUP_STREAMS(from, from_parms, to, to_parms, scratch)	\
+	lis	scratch,0x8000;	/* GO=1 */				\
+	clrldi	scratch,scratch,32;					\
+	.machine push;							\
+	.machine power4;						\
+	/* setup read stream 0 */					\
+	dcbt	0,from,0b01000;		/* addr from */			\
+	dcbt	0,from_parms,0b01010;	/* length and depth from */	\
+	/* setup write stream 1 */					\
+	dcbtst	0,to,0b01000;		/* addr to */			\
+	dcbtst	0,to_parms,0b01010;	/* length and depth to */	\
+	eieio;								\
+	dcbt	0,scratch,0b01010;	/* all streams GO */		\
+	.machine pop;
 
 /*
  * toreal/fromreal/tophys/tovirt macros. 32-bit BookE makes them
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index bb47af9054..d3d1aea009 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1366,6 +1366,7 @@
 #define PVR_HX_C2000	0x0066
 #define PVR_POWER9	0x004E
 #define PVR_POWER10	0x0080
+#define PVR_POWER11	0x0082
 #define PVR_BE		0x0070
 #define PVR_PA6T	0x0090
 
@@ -1377,6 +1378,7 @@
 #define PVR_ARCH_207	0x0f000004
 #define PVR_ARCH_300	0x0f000005
 #define PVR_ARCH_31	0x0f000006
+#define PVR_ARCH_31_P11	0x0f000007
 
 /* Macros for setting and retrieving special purpose registers */
 #ifndef __ASSEMBLY__
diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h
index 8359c06d92..9893d2001b 100644
--- a/arch/powerpc/include/asm/reg_fsl_emb.h
+++ b/arch/powerpc/include/asm/reg_fsl_emb.h
@@ -11,17 +11,27 @@
 
 #ifndef __ASSEMBLY__
 /* Performance Monitor Registers */
-#define mfpmr(rn)	({unsigned int rval; \
-			asm volatile(".machine push; " \
-				     ".machine e300; " \
-				     "mfpmr %0," __stringify(rn) ";" \
-				     ".machine pop; " \
-				     : "=r" (rval)); rval;})
-#define mtpmr(rn, v)	asm volatile(".machine push; " \
-				     ".machine e300; " \
-				     "mtpmr " __stringify(rn) ",%0; " \
-				     ".machine pop; " \
-				     : : "r" (v))
+static __always_inline unsigned int mfpmr(unsigned int rn)
+{
+	unsigned int rval;
+
+	asm (".machine push; "
+	     ".machine e300; "
+	     "mfpmr %[rval], %[rn];"
+	     ".machine pop;"
+	     : [rval] "=r" (rval) : [rn] "i" (rn));
+
+	return rval;
+}
+
+static __always_inline void mtpmr(unsigned int rn, unsigned int val)
+{
+	asm (".machine push; "
+	     ".machine e300; "
+	     "mtpmr %[rn], %[val];"
+	     ".machine pop;"
+	     : [val] "=r" (val) : [rn] "i" (rn));
+}
 #endif /* __ASSEMBLY__ */
 
 /* Freescale Book E Performance Monitor APU Registers */
diff --git a/arch/powerpc/include/asm/set_memory.h b/arch/powerpc/include/asm/set_memory.h
index 7ebc807aa8..9a025b776a 100644
--- a/arch/powerpc/include/asm/set_memory.h
+++ b/arch/powerpc/include/asm/set_memory.h
@@ -8,6 +8,7 @@
 #define SET_MEMORY_X	3
 #define SET_MEMORY_NP	4	/* Set memory non present */
 #define SET_MEMORY_P	5	/* Set memory present */
+#define SET_MEMORY_ROX	6
 
 int change_memory_attr(unsigned long addr, int numpages, long action);
 
@@ -41,4 +42,10 @@ static inline int set_memory_p(unsigned long addr, int numpages)
 	return change_memory_attr(addr, numpages, SET_MEMORY_P);
 }
 
+static inline int set_memory_rox(unsigned long addr, int numpages)
+{
+	return change_memory_attr(addr, numpages, SET_MEMORY_ROX);
+}
+#define set_memory_rox set_memory_rox
+
 #endif
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index aaaa576d0e..b77927ccb0 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -27,6 +27,7 @@
 
 extern int boot_cpuid;
 extern int boot_cpu_hwid; /* PPC64 only */
+extern int boot_core_hwid;
 extern int spinning_secondaries;
 extern u32 *cpu_to_phys_id;
 extern bool coregroup_enabled;
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index aee25e3ebf..fc933807dd 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -48,6 +48,10 @@ static inline void disable_kernel_fp(void)
 #else
 static inline void save_fpu(struct task_struct *t) { }
 static inline void flush_fp_to_thread(struct task_struct *t) { }
+static inline void enable_kernel_fp(void)
+{
+	BUILD_BUG();
+}
 #endif
 
 #ifdef CONFIG_ALTIVEC
diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h
index b3de6102a9..1ca7d4c4b9 100644
--- a/arch/powerpc/include/asm/tlb.h
+++ b/arch/powerpc/include/asm/tlb.h
@@ -19,6 +19,8 @@
 
 #include <linux/pagemap.h>
 
+static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
+					  unsigned long address);
 #define __tlb_remove_tlb_entry	__tlb_remove_tlb_entry
 
 #define tlb_flush tlb_flush
diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index 82cc2c6704..d9ac3a4f46 100644
--- a/arch/powerpc/include/asm/trace.h
+++ b/arch/powerpc/include/asm/trace.h
@@ -267,6 +267,7 @@ TRACE_EVENT_FN(opal_exit,
 );
 #endif
 
+#ifdef CONFIG_PPC_64S_HASH_MMU
 TRACE_EVENT(hash_fault,
 
 	    TP_PROTO(unsigned long addr, unsigned long access, unsigned long trap),
@@ -286,7 +287,7 @@ TRACE_EVENT(hash_fault,
 	    TP_printk("hash fault with addr 0x%lx and access = 0x%lx trap = 0x%lx",
 		      __entry->addr, __entry->access, __entry->trap)
 );
-
+#endif
 
 TRACE_EVENT(tlbie,
 
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index de10437fd2..4cba724c88 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -92,9 +92,25 @@ __pu_failed:							\
 		: label)
 #endif
 
+#ifdef CONFIG_CC_IS_CLANG
+#define DS_FORM_CONSTRAINT "Z<>"
+#else
+#define DS_FORM_CONSTRAINT "YZ<>"
+#endif
+
 #ifdef __powerpc64__
+#ifdef CONFIG_PPC_KERNEL_PREFIXED
 #define __put_user_asm2_goto(x, ptr, label)			\
 	__put_user_asm_goto(x, ptr, label, "std")
+#else
+#define __put_user_asm2_goto(x, addr, label)			\
+	asm goto ("1: std%U1%X1 %0,%1	# put_user\n"		\
+		EX_TABLE(1b, %l2)				\
+		:						\
+		: "r" (x), DS_FORM_CONSTRAINT (*addr)		\
+		:						\
+		: label)
+#endif // CONFIG_PPC_KERNEL_PREFIXED
 #else /* __powerpc64__ */
 #define __put_user_asm2_goto(x, addr, label)			\
 	asm goto(					\
diff --git a/arch/powerpc/include/asm/vdso/gettimeofday.h b/arch/powerpc/include/asm/vdso/gettimeofday.h
index f0a4cf01e8..78302f6c25 100644
--- a/arch/powerpc/include/asm/vdso/gettimeofday.h
+++ b/arch/powerpc/include/asm/vdso/gettimeofday.h
@@ -4,7 +4,6 @@
 
 #ifndef __ASSEMBLY__
 
-#include <asm/page.h>
 #include <asm/vdso/timebase.h>
 #include <asm/barrier.h>
 #include <asm/unistd.h>
@@ -95,7 +94,7 @@ const struct vdso_data *__arch_get_vdso_data(void);
 static __always_inline
 const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd)
 {
-	return (void *)vd + PAGE_SIZE;
+	return (void *)vd + (1U << CONFIG_PAGE_SHIFT);
 }
 #endif
 
diff --git a/arch/powerpc/include/asm/vio.h b/arch/powerpc/include/asm/vio.h
index cc9b787627..6faf2a9317 100644
--- a/arch/powerpc/include/asm/vio.h
+++ b/arch/powerpc/include/asm/vio.h
@@ -39,7 +39,7 @@
  */
 #define VIO_CMO_MIN_ENT 1562624
 
-extern struct bus_type vio_bus_type;
+extern const struct bus_type vio_bus_type;
 
 struct iommu_table;
 
diff --git a/arch/powerpc/include/asm/word-at-a-time.h b/arch/powerpc/include/asm/word-at-a-time.h
index 30a12d2086..54653a8634 100644
--- a/arch/powerpc/include/asm/word-at-a-time.h
+++ b/arch/powerpc/include/asm/word-at-a-time.h
@@ -4,8 +4,8 @@
 /*
  * Word-at-a-time interfaces for PowerPC.
  */
-
-#include <linux/kernel.h>
+#include <linux/bitops.h>
+#include <linux/wordpart.h>
 #include <asm/asm-compat.h>
 #include <asm/extable.h>