Linux-libre 4.5-gnu

32 files changed, 302 insertions, 186 deletions

diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index d68e11e0d..5c8db3ce6 100644
--- a/arch/s390/include/asm/barrier.h
+++ b/arch/s390/include/asm/barrier.h
@@ -26,26 +26,18 @@
 #define wmb()				barrier()
 #define dma_rmb()			mb()
 #define dma_wmb()			mb()
-#define smp_mb()			mb()
-#define smp_rmb()			rmb()
-#define smp_wmb()			wmb()
+#define __smp_mb()			mb()
+#define __smp_rmb()			rmb()
+#define __smp_wmb()			wmb()
 
-#define read_barrier_depends()		do { } while (0)
-#define smp_read_barrier_depends()	do { } while (0)
-
-#define smp_mb__before_atomic()		smp_mb()
-#define smp_mb__after_atomic()		smp_mb()
-
-#define smp_store_mb(var, value)		do { WRITE_ONCE(var, value); mb(); } while (0)
-
-#define smp_store_release(p, v)						\
+#define __smp_store_release(p, v)					\
 do {									\
 	compiletime_assert_atomic_type(*p);				\
 	barrier();							\
 	WRITE_ONCE(*p, v);						\
 } while (0)
 
-#define smp_load_acquire(p)						\
+#define __smp_load_acquire(p)						\
 ({									\
 	typeof(*p) ___p1 = READ_ONCE(*p);				\
 	compiletime_assert_atomic_type(*p);				\
@@ -53,4 +45,9 @@ do {									\
 	___p1;								\
 })
 
+#define __smp_mb__before_atomic()	barrier()
+#define __smp_mb__after_atomic()	barrier()
+
+#include <asm-generic/barrier.h>
+
 #endif /* __ASM_BARRIER_H */
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index d350ed9d0..352f7bdaf 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -284,7 +284,7 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 
 static inline int is_compat_task(void)
 {
-	return is_32bit_task();
+	return test_thread_flag(TIF_31BIT);
 }
 
 static inline void __user *arch_compat_alloc_user_space(long len)
diff --git a/arch/s390/include/asm/crw.h b/arch/s390/include/asm/crw.h
index 7c31d3e25..bcb9cd2a7 100644
--- a/arch/s390/include/asm/crw.h
+++ b/arch/s390/include/asm/crw.h
@@ -52,18 +52,4 @@ void crw_wait_for_channel_report(void);
 #define CRW_ERC_PERRI	 0x07 /* perm. error, facility init */
 #define CRW_ERC_PMOD	 0x08 /* installed parameters modified */
 
-static inline int stcrw(struct crw *pcrw)
-{
-	int ccode;
-
-	asm volatile(
-		"	stcrw	0(%2)\n"
-		"	ipm	%0\n"
-		"	srl	%0,28\n"
-		: "=d" (ccode), "=m" (*pcrw)
-		: "a" (pcrw)
-		: "cc" );
-	return ccode;
-}
-
 #endif /* _ASM_S390_CRW_H */
diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h
index b3fd54d93..e64bfcb97 100644
--- a/arch/s390/include/asm/dma-mapping.h
+++ b/arch/s390/include/asm/dma-mapping.h
@@ -23,8 +23,6 @@ static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 {
 }
 
-#include <asm-generic/dma-mapping-common.h>
-
 static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
 {
 	if (!dev->dma_mask)
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index bab6739a1..563ab9f44 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -104,6 +104,9 @@
 #define HWCAP_S390_TE		1024
 #define HWCAP_S390_VXRS		2048
 
+/* Internal bits, not exposed via elf */
+#define HWCAP_INT_SIE		1UL
+
 /*
  * These are used to set parameters in the core dumps.
  */
@@ -126,6 +129,7 @@ typedef s390_regs elf_gregset_t;
 typedef s390_fp_regs compat_elf_fpregset_t;
 typedef s390_compat_regs compat_elf_gregset_t;
 
+#include <linux/compat.h>
 #include <linux/sched.h>	/* for task_struct */
 #include <asm/mmu_context.h>
 
@@ -159,7 +163,7 @@ extern unsigned int vdso_enabled;
    the loader.  We need to make sure that it is out of the way of the program
    that it will "exec", and that there is sufficient room for the brk. 64-bit
    tasks are aligned to 4GB. */
-#define ELF_ET_DYN_BASE (is_32bit_task() ? \
+#define ELF_ET_DYN_BASE (is_compat_task() ? \
 				(STACK_TOP / 3 * 2) : \
 				(STACK_TOP / 3 * 2) & ~((1UL << 32) - 1))
 
@@ -169,6 +173,10 @@ extern unsigned int vdso_enabled;
 extern unsigned long elf_hwcap;
 #define ELF_HWCAP (elf_hwcap)
 
+/* Internal hardware capabilities, not exposed via elf */
+
+extern unsigned long int_hwcap;
+
 /* This yields a string that ld.so will use to load implementation
    specific libraries for optimization.  This is more specific in
    intent than poking at uname or /proc/cpuinfo.
@@ -212,9 +220,9 @@ do {								\
  * of up to 1GB. For 31-bit processes the virtual address space is limited,
  * use no alignment and limit the randomization to 8MB.
  */
-#define BRK_RND_MASK	(is_32bit_task() ? 0x7ffUL : 0x3ffffUL)
-#define MMAP_RND_MASK	(is_32bit_task() ? 0x7ffUL : 0x3ff80UL)
-#define MMAP_ALIGN_MASK	(is_32bit_task() ? 0 : 0x7fUL)
+#define BRK_RND_MASK	(is_compat_task() ? 0x7ffUL : 0x3ffffUL)
+#define MMAP_RND_MASK	(is_compat_task() ? 0x7ffUL : 0x3ff80UL)
+#define MMAP_ALIGN_MASK	(is_compat_task() ? 0 : 0x7fUL)
 #define STACK_RND_MASK	MMAP_RND_MASK
 
 #define ARCH_DLINFO							    \
@@ -229,6 +237,4 @@ struct linux_binprm;
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
 int arch_setup_additional_pages(struct linux_binprm *, int);
 
-void *fill_cpu_elf_notes(void *ptr, struct save_area *sa, __vector128 *vxrs);
-
 #endif
diff --git a/arch/s390/include/asm/facilities_src.h b/arch/s390/include/asm/facilities_src.h
new file mode 100644
index 000000000..4917728e5
--- /dev/null
+++ b/arch/s390/include/asm/facilities_src.h
@@ -0,0 +1,58 @@
+/*
+ *    Copyright IBM Corp. 2015
+ */
+
+#ifndef S390_GEN_FACILITIES_C
+#error "This file can only be included by gen_facilities.c"
+#endif
+
+#include <linux/kconfig.h>
+
+struct facility_def {
+	char *name;
+	int *bits;
+};
+
+static struct facility_def facility_defs[] = {
+	{
+		/*
+		 * FACILITIES_ALS contains the list of facilities that are
+		 * required to run a kernel that is compiled e.g. with
+		 * -march=<machine>.
+		 */
+		.name = "FACILITIES_ALS",
+		.bits = (int[]){
+#ifdef CONFIG_HAVE_MARCH_Z900_FEATURES
+			0,  /* N3 instructions */
+			1,  /* z/Arch mode installed */
+#endif
+#ifdef CONFIG_HAVE_MARCH_Z990_FEATURES
+			18, /* long displacement facility */
+#endif
+#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
+			7,  /* stfle */
+			17, /* message security assist */
+			21, /* extended-immediate facility */
+			25, /* store clock fast */
+#endif
+#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
+			27, /* mvcos */
+			32, /* compare and swap and store */
+			33, /* compare and swap and store 2 */
+			34, /* general extension facility */
+			35, /* execute extensions */
+#endif
+#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
+			45, /* fast-BCR, etc. */
+#endif
+#ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
+			49, /* misc-instruction-extensions */
+			52, /* interlocked facility 2 */
+#endif
+#ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
+			53, /* load-and-zero-rightmost-byte, etc. */
+#endif
+			-1 /* END */
+		}
+	},
+};
diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h
index 0aa6a7ed9..09b406db7 100644
--- a/arch/s390/include/asm/facility.h
+++ b/arch/s390/include/asm/facility.h
@@ -7,6 +7,10 @@
 #ifndef __ASM_FACILITY_H
 #define __ASM_FACILITY_H
 
+#include <generated/facilities.h>
+
+#ifndef __ASSEMBLY__
+
 #include <linux/string.h>
 #include <linux/preempt.h>
 #include <asm/lowcore.h>
@@ -30,6 +34,12 @@ static inline int __test_facility(unsigned long nr, void *facilities)
  */
 static inline int test_facility(unsigned long nr)
 {
+	unsigned long facilities_als[] = { FACILITIES_ALS };
+
+	if (__builtin_constant_p(nr) && nr < sizeof(facilities_als) * 8) {
+		if (__test_facility(nr, &facilities_als))
+			return 1;
+	}
 	return __test_facility(nr, &S390_lowcore.stfle_fac_list);
 }
 
@@ -44,10 +54,8 @@ static inline void stfle(u64 *stfle_fac_list, int size)
 
 	preempt_disable();
 	asm volatile(
-		"	.insn s,0xb2b10000,0(0)\n" /* stfl */
-		"0:\n"
-		EX_TABLE(0b, 0b)
-		: "+m" (S390_lowcore.stfl_fac_list));
+		"	stfl	0(0)\n"
+		: "=m" (S390_lowcore.stfl_fac_list));
 	nr = 4; /* bytes stored by stfl */
 	memcpy(stfle_fac_list, &S390_lowcore.stfl_fac_list, 4);
 	if (S390_lowcore.stfl_fac_list & 0x01000000) {
@@ -64,4 +72,5 @@ static inline void stfle(u64 *stfle_fac_list, int size)
 	preempt_enable();
 }
 
+#endif /* __ASSEMBLY__ */
 #endif /* __ASM_FACILITY_H */
diff --git a/arch/s390/include/asm/fpu/internal.h b/arch/s390/include/asm/fpu/internal.h
index 17d9dcd29..629c90865 100644
--- a/arch/s390/include/asm/fpu/internal.h
+++ b/arch/s390/include/asm/fpu/internal.h
@@ -12,21 +12,13 @@
 #include <asm/ctl_reg.h>
 #include <asm/fpu/types.h>
 
-static inline void save_vx_regs_safe(__vector128 *vxrs)
+static inline void save_vx_regs(__vector128 *vxrs)
 {
-	unsigned long cr0, flags;
-
-	flags = arch_local_irq_save();
-	__ctl_store(cr0, 0, 0);
-	__ctl_set_bit(0, 17);
-	__ctl_set_bit(0, 18);
 	asm volatile(
 		"	la	1,%0\n"
 		"	.word	0xe70f,0x1000,0x003e\n"	/* vstm 0,15,0(1) */
 		"	.word	0xe70f,0x1100,0x0c3e\n"	/* vstm 16,31,256(1) */
 		: "=Q" (*(struct vx_array *) vxrs) : : "1");
-	__ctl_load(cr0, 0, 0);
-	arch_local_irq_restore(flags);
 }
 
 static inline void convert_vx_to_fp(freg_t *fprs, __vector128 *vxrs)
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 86634e71b..6fc44dca1 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -87,14 +87,12 @@ struct ipl_parameter_block {
  * IPL validity flags
  */
 extern u32 ipl_flags;
-extern u32 dump_prefix_page;
 
-struct dump_save_areas {
-	struct save_area_ext **areas;
-	int count;
-};
-
-extern struct dump_save_areas dump_save_areas;
+struct save_area;
+struct save_area * __init save_area_alloc(bool is_boot_cpu);
+struct save_area * __init save_area_boot_cpu(void);
+void __init save_area_add_regs(struct save_area *, void *regs);
+void __init save_area_add_vxrs(struct save_area *, __vector128 *vxrs);
 
 extern void do_reipl(void);
 extern void do_halt(void);
@@ -176,7 +174,7 @@ enum diag308_rc {
 
 extern int diag308(unsigned long subcode, void *addr);
 extern void diag308_reset(void);
-extern void store_status(void);
+extern void store_status(void (*fn)(void *), void *data);
 extern void lgr_info_log(void);
 
 #endif /* _ASM_S390_IPL_H */
diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h
index 16aa0c779..595a275c3 100644
--- a/arch/s390/include/asm/irqflags.h
+++ b/arch/s390/include/asm/irqflags.h
@@ -8,6 +8,8 @@
 
 #include <linux/types.h>
 
+#define ARCH_IRQ_ENABLED	(3UL << (BITS_PER_LONG - 8))
+
 /* store then OR system mask. */
 #define __arch_local_irq_stosm(__or)					\
 ({									\
@@ -54,14 +56,17 @@ static inline notrace void arch_local_irq_enable(void)
 	__arch_local_irq_stosm(0x03);
 }
 
+/* This only restores external and I/O interrupt state */
 static inline notrace void arch_local_irq_restore(unsigned long flags)
 {
-	__arch_local_irq_ssm(flags);
+	/* only disabled->disabled and disabled->enabled is valid */
+	if (flags & ARCH_IRQ_ENABLED)
+		arch_local_irq_enable();
 }
 
 static inline notrace bool arch_irqs_disabled_flags(unsigned long flags)
 {
-	return !(flags & (3UL << (BITS_PER_LONG - 8)));
+	return !(flags & ARCH_IRQ_ENABLED);
 }
 
 static inline notrace bool arch_irqs_disabled(void)
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index e9a983f40..b0c8ad079 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -25,7 +25,9 @@
 #include <asm/fpu/api.h>
 #include <asm/isc.h>
 
-#define KVM_MAX_VCPUS 64
+#define KVM_S390_BSCA_CPU_SLOTS 64
+#define KVM_S390_ESCA_CPU_SLOTS 248
+#define KVM_MAX_VCPUS KVM_S390_ESCA_CPU_SLOTS
 #define KVM_USER_MEM_SLOTS 32
 
 /*
@@ -37,12 +39,41 @@
 #define KVM_IRQCHIP_NUM_PINS 4096
 #define KVM_HALT_POLL_NS_DEFAULT 0
 
+/* s390-specific vcpu->requests bit members */
+#define KVM_REQ_ENABLE_IBS         8
+#define KVM_REQ_DISABLE_IBS        9
+
 #define SIGP_CTRL_C		0x80
 #define SIGP_CTRL_SCN_MASK	0x3f
 
-struct sca_entry {
+union bsca_sigp_ctrl {
+	__u8 value;
+	struct {
+		__u8 c : 1;
+		__u8 r : 1;
+		__u8 scn : 6;
+	};
+} __packed;
+
+union esca_sigp_ctrl {
+	__u16 value;
+	struct {
+		__u8 c : 1;
+		__u8 reserved: 7;
+		__u8 scn;
+	};
+} __packed;
+
+struct esca_entry {
+	union esca_sigp_ctrl sigp_ctrl;
+	__u16   reserved1[3];
+	__u64   sda;
+	__u64   reserved2[6];
+} __packed;
+
+struct bsca_entry {
 	__u8	reserved0;
-	__u8	sigp_ctrl;
+	union bsca_sigp_ctrl	sigp_ctrl;
 	__u16	reserved[3];
 	__u64	sda;
 	__u64	reserved2[2];
@@ -57,14 +88,22 @@ union ipte_control {
 	};
 };
 
-struct sca_block {
+struct bsca_block {
 	union ipte_control ipte_control;
 	__u64	reserved[5];
 	__u64	mcn;
 	__u64	reserved2;
-	struct sca_entry cpu[64];
+	struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
 } __attribute__((packed));
 
+struct esca_block {
+	union ipte_control ipte_control;
+	__u64   reserved1[7];
+	__u64   mcn[4];
+	__u64   reserved2[20];
+	struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
+} __packed;
+
 #define CPUSTAT_STOPPED    0x80000000
 #define CPUSTAT_WAIT       0x10000000
 #define CPUSTAT_ECALL_PEND 0x08000000
@@ -182,7 +221,8 @@ struct kvm_s390_sie_block {
 	__u64	pp;			/* 0x01de */
 	__u8	reserved1e6[2];		/* 0x01e6 */
 	__u64	itdba;			/* 0x01e8 */
-	__u8	reserved1f0[16];	/* 0x01f0 */
+	__u64   riccbd;			/* 0x01f0 */
+	__u8    reserved1f8[8];		/* 0x01f8 */
 } __attribute__((packed));
 
 struct kvm_s390_itdb {
@@ -427,7 +467,7 @@ struct kvm_s390_irq_payload {
 struct kvm_s390_local_interrupt {
 	spinlock_t lock;
 	struct kvm_s390_float_interrupt *float_int;
-	wait_queue_head_t *wq;
+	struct swait_queue_head *wq;
 	atomic_t *cpuflags;
 	DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS);
 	struct kvm_s390_irq_payload irq;
@@ -584,11 +624,14 @@ struct kvm_s390_crypto_cb {
 };
 
 struct kvm_arch{
-	struct sca_block *sca;
+	void *sca;
+	int use_esca;
+	rwlock_t sca_lock;
 	debug_info_t *dbf;
 	struct kvm_s390_float_interrupt float_int;
 	struct kvm_device *flic;
 	struct gmap *gmap;
+	unsigned long mem_limit;
 	int css_support;
 	int use_irqchip;
 	int use_cmma;
diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h
index 7aa799134..a52b6cca8 100644
--- a/arch/s390/include/asm/livepatch.h
+++ b/arch/s390/include/asm/livepatch.h
@@ -37,7 +37,7 @@ static inline void klp_arch_set_pc(struct pt_regs *regs, unsigned long ip)
 	regs->psw.addr = ip;
 }
 #else
-#error Live patching support is disabled; check CONFIG_LIVEPATCH
+#error Include linux/livepatch.h, not asm/livepatch.h
 #endif
 
 #endif
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index afe1cfebf..d79ba7cf7 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -16,28 +16,7 @@
 #define LC_ORDER 1
 #define LC_PAGES 2
 
-struct save_area {
-	u64	fp_regs[16];
-	u64	gp_regs[16];
-	u8	psw[16];
-	u8	pad1[8];
-	u32	pref_reg;
-	u32	fp_ctrl_reg;
-	u8	pad2[4];
-	u32	tod_reg;
-	u64	timer;
-	u64	clk_cmp;
-	u8	pad3[8];
-	u32	acc_regs[16];
-	u64	ctrl_regs[16];
-} __packed;
-
-struct save_area_ext {
-	struct save_area	sa;
-	__vector128		vx_regs[32];
-};
-
-struct _lowcore {
+struct lowcore {
 	__u8	pad_0x0000[0x0014-0x0000];	/* 0x0000 */
 	__u32	ipl_parmblock_ptr;		/* 0x0014 */
 	__u8	pad_0x0018[0x0080-0x0018];	/* 0x0018 */
@@ -204,9 +183,9 @@ struct _lowcore {
 	__u8	vector_save_area[1024];		/* 0x1c00 */
 } __packed;
 
-#define S390_lowcore (*((struct _lowcore *) 0))
+#define S390_lowcore (*((struct lowcore *) 0))
 
-extern struct _lowcore *lowcore_ptr[];
+extern struct lowcore *lowcore_ptr[];
 
 static inline void set_prefix(__u32 address)
 {
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index fb1b93ea3..e485817f7 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -15,17 +15,25 @@
 static inline int init_new_context(struct task_struct *tsk,
 				   struct mm_struct *mm)
 {
+	spin_lock_init(&mm->context.list_lock);
+	INIT_LIST_HEAD(&mm->context.pgtable_list);
+	INIT_LIST_HEAD(&mm->context.gmap_list);
 	cpumask_clear(&mm->context.cpu_attach_mask);
 	atomic_set(&mm->context.attach_count, 0);
 	mm->context.flush_mm = 0;
-	mm->context.asce_bits = _ASCE_TABLE_LENGTH | _ASCE_USER_BITS;
-	mm->context.asce_bits |= _ASCE_TYPE_REGION3;
 #ifdef CONFIG_PGSTE
 	mm->context.alloc_pgste = page_table_allocate_pgste;
 	mm->context.has_pgste = 0;
 	mm->context.use_skey = 0;
 #endif
-	mm->context.asce_limit = STACK_TOP_MAX;
+	if (mm->context.asce_limit == 0) {
+		/* context created by exec, set asce limit to 4TB */
+		mm->context.asce_bits = _ASCE_TABLE_LENGTH |
+			_ASCE_USER_BITS | _ASCE_TYPE_REGION3;
+		mm->context.asce_limit = STACK_TOP_MAX;
+	} else if (mm->context.asce_limit == (1UL << 31)) {
+		mm_inc_nr_pmds(mm);
+	}
 	crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
 	return 0;
 }
@@ -111,8 +119,6 @@ static inline void activate_mm(struct mm_struct *prev,
 static inline void arch_dup_mmap(struct mm_struct *oldmm,
 				 struct mm_struct *mm)
 {
-	if (oldmm->context.asce_limit < mm->context.asce_limit)
-		crst_table_downgrade(mm, oldmm->context.asce_limit);
 }
 
 static inline void arch_exit_mmap(struct mm_struct *mm)
diff --git a/arch/s390/include/asm/os_info.h b/arch/s390/include/asm/os_info.h
index 295f2c4f1..943475382 100644
--- a/arch/s390/include/asm/os_info.h
+++ b/arch/s390/include/asm/os_info.h
@@ -38,7 +38,7 @@ u32 os_info_csum(struct os_info *os_info);
 
 #ifdef CONFIG_CRASH_DUMP
 void *os_info_old_entry(int nr, unsigned long *size);
-int copy_from_oldmem(void *dest, void *src, size_t count);
+int copy_oldmem_kernel(void *dst, void *src, size_t count);
 #else
 static inline void *os_info_old_entry(int nr, unsigned long *size)
 {
diff --git a/arch/s390/include/asm/pci_dma.h b/arch/s390/include/asm/pci_dma.h
index 1aac41e83..92df3eb8d 100644
--- a/arch/s390/include/asm/pci_dma.h
+++ b/arch/s390/include/asm/pci_dma.h
@@ -23,6 +23,8 @@ enum zpci_ioat_dtype {
 #define ZPCI_IOTA_FS_2G			2
 #define ZPCI_KEY			(PAGE_DEFAULT_KEY << 5)
 
+#define ZPCI_TABLE_SIZE_RT	(1UL << 42)
+
 #define ZPCI_IOTA_STO_FLAG	(ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_ST)
 #define ZPCI_IOTA_RTTO_FLAG	(ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RT)
 #define ZPCI_IOTA_RSTO_FLAG	(ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RS)
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h
index 1a9a98de5..69aa18be6 100644
--- a/arch/s390/include/asm/pci_io.h
+++ b/arch/s390/include/asm/pci_io.h
@@ -8,10 +8,13 @@
 #include <asm/pci_insn.h>
 
 /* I/O Map */
-#define ZPCI_IOMAP_MAX_ENTRIES		0x7fff
-#define ZPCI_IOMAP_ADDR_BASE		0x8000000000000000ULL
-#define ZPCI_IOMAP_ADDR_IDX_MASK	0x7fff000000000000ULL
-#define ZPCI_IOMAP_ADDR_OFF_MASK	0x0000ffffffffffffULL
+#define ZPCI_IOMAP_SHIFT		48
+#define ZPCI_IOMAP_ADDR_BASE		0x8000000000000000UL
+#define ZPCI_IOMAP_ADDR_OFF_MASK	((1UL << ZPCI_IOMAP_SHIFT) - 1)
+#define ZPCI_IOMAP_MAX_ENTRIES							\
+	((ULONG_MAX - ZPCI_IOMAP_ADDR_BASE + 1) / (1UL << ZPCI_IOMAP_SHIFT))
+#define ZPCI_IOMAP_ADDR_IDX_MASK						\
+	(~ZPCI_IOMAP_ADDR_OFF_MASK - ZPCI_IOMAP_ADDR_BASE)
 
 struct zpci_iomap_entry {
 	u32 fh;
@@ -21,8 +24,9 @@ struct zpci_iomap_entry {
 
 extern struct zpci_iomap_entry *zpci_iomap_start;
 
+#define ZPCI_ADDR(idx) (ZPCI_IOMAP_ADDR_BASE | ((u64) idx << ZPCI_IOMAP_SHIFT))
 #define ZPCI_IDX(addr)								\
-	(((__force u64) addr & ZPCI_IOMAP_ADDR_IDX_MASK) >> 48)
+	(((__force u64) addr & ZPCI_IOMAP_ADDR_IDX_MASK) >> ZPCI_IOMAP_SHIFT)
 #define ZPCI_OFFSET(addr)							\
 	((__force u64) addr & ZPCI_IOMAP_ADDR_OFF_MASK)
 
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 7b7858f15..d7cc79fb6 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -100,12 +100,26 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
 
 static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-	spin_lock_init(&mm->context.list_lock);
-	INIT_LIST_HEAD(&mm->context.pgtable_list);
-	INIT_LIST_HEAD(&mm->context.gmap_list);
-	return (pgd_t *) crst_table_alloc(mm);
+	unsigned long *table = crst_table_alloc(mm);
+
+	if (!table)
+		return NULL;
+	if (mm->context.asce_limit == (1UL << 31)) {
+		/* Forking a compat process with 2 page table levels */
+		if (!pgtable_pmd_page_ctor(virt_to_page(table))) {
+			crst_table_free(mm, table);
+			return NULL;
+		}
+	}
+	return (pgd_t *) table;
+}
+
+static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
+{
+	if (mm->context.asce_limit == (1UL << 31))
+		pgtable_pmd_page_dtor(virt_to_page(pgd));
+	crst_table_free(mm, (unsigned long *) pgd);
 }
-#define pgd_free(mm, pgd) crst_table_free(mm, (unsigned long *) pgd)
 
 static inline void pmd_populate(struct mm_struct *mm,
 				pmd_t *pmd, pgtable_t pte)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 024f85f94..64ead8091 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -286,7 +286,6 @@ static inline int is_module_addr(void *addr)
 
 #define _SEGMENT_ENTRY_DIRTY	0x2000	/* SW segment dirty bit */
 #define _SEGMENT_ENTRY_YOUNG	0x1000	/* SW segment young bit */
-#define _SEGMENT_ENTRY_SPLIT	0x0800	/* THP splitting bit */
 #define _SEGMENT_ENTRY_LARGE	0x0400	/* STE-format control, large page */
 #define _SEGMENT_ENTRY_READ	0x0002	/* SW segment read bit */
 #define _SEGMENT_ENTRY_WRITE	0x0001	/* SW segment write bit */
@@ -318,8 +317,6 @@ static inline int is_module_addr(void *addr)
  * SW-bits: y young, d dirty, r read, w write
  */
 
-#define _SEGMENT_ENTRY_SPLIT_BIT 11	/* THP splitting bit number */
-
 /* Page status table bits for virtualization */
 #define PGSTE_ACC_BITS	0xf000000000000000UL
 #define PGSTE_FP_BIT	0x0800000000000000UL
@@ -523,10 +520,6 @@ static inline int pmd_bad(pmd_t pmd)
 	return (pmd_val(pmd) & ~_SEGMENT_ENTRY_BITS) != 0;
 }
 
-#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH
-extern void pmdp_splitting_flush(struct vm_area_struct *vma,
-				 unsigned long addr, pmd_t *pmdp);
-
 #define  __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
 extern int pmdp_set_access_flags(struct vm_area_struct *vma,
 				 unsigned long address, pmd_t *pmdp,
@@ -1424,8 +1417,7 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
 	if (pmd_large(pmd)) {
 		pmd_val(pmd) &= _SEGMENT_ENTRY_ORIGIN_LARGE |
 			_SEGMENT_ENTRY_DIRTY | _SEGMENT_ENTRY_YOUNG |
-			_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_SPLIT |
-			_SEGMENT_ENTRY_SOFT_DIRTY;
+			_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_SOFT_DIRTY;
 		pmd_val(pmd) |= massage_pgprot_pmd(newprot);
 		if (!(pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY))
 			pmd_val(pmd) |= _SEGMENT_ENTRY_PROTECT;
@@ -1533,12 +1525,6 @@ extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
 #define __HAVE_ARCH_PGTABLE_WITHDRAW
 extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
 
-static inline int pmd_trans_splitting(pmd_t pmd)
-{
-	return (pmd_val(pmd) & _SEGMENT_ENTRY_LARGE) &&
-		(pmd_val(pmd) & _SEGMENT_ENTRY_SPLIT);
-}
-
 static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
 			      pmd_t *pmdp, pmd_t entry)
 {
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index b16c3d0a1..1c4fe1294 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -18,12 +18,14 @@
 #define CIF_NOHZ_DELAY		2	/* delay HZ disable for a tick */
 #define CIF_FPU			3	/* restore FPU registers */
 #define CIF_IGNORE_IRQ		4	/* ignore interrupt (for udelay) */
+#define CIF_ENABLED_WAIT	5	/* in enabled wait state */
 
 #define _CIF_MCCK_PENDING	_BITUL(CIF_MCCK_PENDING)
 #define _CIF_ASCE		_BITUL(CIF_ASCE)
 #define _CIF_NOHZ_DELAY		_BITUL(CIF_NOHZ_DELAY)
 #define _CIF_FPU		_BITUL(CIF_FPU)
 #define _CIF_IGNORE_IRQ		_BITUL(CIF_IGNORE_IRQ)
+#define _CIF_ENABLED_WAIT	_BITUL(CIF_ENABLED_WAIT)
 
 #ifndef __ASSEMBLY__
 
@@ -52,6 +54,16 @@ static inline int test_cpu_flag(int flag)
 	return !!(S390_lowcore.cpu_flags & (1UL << flag));
 }
 
+/*
+ * Test CIF flag of another CPU. The caller needs to ensure that
+ * CPU hotplug can not happen, e.g. by disabling preemption.
+ */
+static inline int test_cpu_flag_of(int flag, int cpu)
+{
+	struct lowcore *lc = lowcore_ptr[cpu];
+	return !!(lc->cpu_flags & (1UL << flag));
+}
+
 #define arch_needs_cpu() test_cpu_flag(CIF_NOHZ_DELAY)
 
 /*
@@ -154,14 +166,14 @@ extern __vector128 init_task_fpu_regs[__NUM_VXRS];
  */
 #define start_thread(regs, new_psw, new_stackp) do {			\
 	regs->psw.mask	= PSW_USER_BITS | PSW_MASK_EA | PSW_MASK_BA;	\
-	regs->psw.addr	= new_psw | PSW_ADDR_AMODE;			\
+	regs->psw.addr	= new_psw;					\
 	regs->gprs[15]	= new_stackp;					\
 	execve_tail();							\
 } while (0)
 
 #define start_thread31(regs, new_psw, new_stackp) do {			\
 	regs->psw.mask	= PSW_USER_BITS | PSW_MASK_BA;			\
-	regs->psw.addr	= new_psw | PSW_ADDR_AMODE;			\
+	regs->psw.addr	= new_psw;					\
 	regs->gprs[15]	= new_stackp;					\
 	crst_table_downgrade(current->mm, 1UL << 31);			\
 	execve_tail();							\
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 37cbc5094..99bc456cc 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -24,25 +24,25 @@
 			 PSW_MASK_PSTATE | PSW_ASC_PRIMARY)
 
 struct psw_bits {
-	unsigned long long	: 1;
-	unsigned long long r	: 1; /* PER-Mask */
-	unsigned long long	: 3;
-	unsigned long long t	: 1; /* DAT Mode */
-	unsigned long long i	: 1; /* Input/Output Mask */
-	unsigned long long e	: 1; /* External Mask */
-	unsigned long long key	: 4; /* PSW Key */
-	unsigned long long	: 1;
-	unsigned long long m	: 1; /* Machine-Check Mask */
-	unsigned long long w	: 1; /* Wait State */
-	unsigned long long p	: 1; /* Problem State */
-	unsigned long long as	: 2; /* Address Space Control */
-	unsigned long long cc	: 2; /* Condition Code */
-	unsigned long long pm	: 4; /* Program Mask */
-	unsigned long long ri	: 1; /* Runtime Instrumentation */
-	unsigned long long	: 6;
-	unsigned long long eaba : 2; /* Addressing Mode */
-	unsigned long long	: 31;
-	unsigned long long ia	: 64;/* Instruction Address */
+	unsigned long	   :  1;
+	unsigned long r	   :  1; /* PER-Mask */
+	unsigned long	   :  3;
+	unsigned long t	   :  1; /* DAT Mode */
+	unsigned long i	   :  1; /* Input/Output Mask */
+	unsigned long e	   :  1; /* External Mask */
+	unsigned long key  :  4; /* PSW Key */
+	unsigned long	   :  1;
+	unsigned long m	   :  1; /* Machine-Check Mask */
+	unsigned long w	   :  1; /* Wait State */
+	unsigned long p	   :  1; /* Problem State */
+	unsigned long as   :  2; /* Address Space Control */
+	unsigned long cc   :  2; /* Condition Code */
+	unsigned long pm   :  4; /* Program Mask */
+	unsigned long ri   :  1; /* Runtime Instrumentation */
+	unsigned long	   :  6;
+	unsigned long eaba :  2; /* Addressing Mode */
+	unsigned long	   : 31;
+	unsigned long ia   : 64; /* Instruction Address */
 };
 
 enum {
@@ -149,7 +149,7 @@ static inline int test_pt_regs_flag(struct pt_regs *regs, int flag)
 #define arch_has_block_step()	(1)
 
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
-#define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
+#define instruction_pointer(regs) ((regs)->psw.addr)
 #define user_stack_pointer(regs)((regs)->gprs[15])
 #define profile_pc(regs) instruction_pointer(regs)
 
@@ -161,7 +161,7 @@ static inline long regs_return_value(struct pt_regs *regs)
 static inline void instruction_pointer_set(struct pt_regs *regs,
 					   unsigned long val)
 {
-	regs->psw.addr = val | PSW_ADDR_AMODE;
+	regs->psw.addr = val;
 }
 
 int regs_query_register_offset(const char *name);
@@ -171,7 +171,7 @@ unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n);
 
 static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
 {
-	return regs->gprs[15] & PSW_ADDR_INSN;
+	return regs->gprs[15];
 }
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/s390/include/asm/reset.h b/arch/s390/include/asm/reset.h
index 72786067b..fe11fa88a 100644
--- a/arch/s390/include/asm/reset.h
+++ b/arch/s390/include/asm/reset.h
@@ -15,6 +15,5 @@ struct reset_call {
 
 extern void register_reset_call(struct reset_call *reset);
 extern void unregister_reset_call(struct reset_call *reset);
-extern void s390_reset_system(void (*fn_pre)(void),
-			      void (*fn_post)(void *), void *data);
+extern void s390_reset_system(void);
 #endif /* _ASM_S390_RESET_H */
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 821dde5f4..bab456be9 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -29,7 +29,10 @@ struct sclp_ipl_info {
 
 struct sclp_core_entry {
 	u8 core_id;
-	u8 reserved0[2];
+	u8 reserved0;
+	u8 : 4;
+	u8 sief2 : 1;
+	u8 : 3;
 	u8 : 3;
 	u8 siif : 1;
 	u8 sigpif : 1;
@@ -53,16 +56,19 @@ struct sclp_info {
 	unsigned char has_sigpif : 1;
 	unsigned char has_core_type : 1;
 	unsigned char has_sprp : 1;
+	unsigned char has_hvs : 1;
+	unsigned char has_esca : 1;
+	unsigned char has_sief2 : 1;
 	unsigned int ibc;
 	unsigned int mtid;
 	unsigned int mtid_cp;
 	unsigned int mtid_prev;
-	unsigned long long rzm;
-	unsigned long long rnmax;
-	unsigned long long hamax;
+	unsigned long rzm;
+	unsigned long rnmax;
+	unsigned long hamax;
 	unsigned int max_cores;
 	unsigned long hsa_size;
-	unsigned long long facilities;
+	unsigned long facilities;
 };
 extern struct sclp_info sclp;
 
@@ -77,8 +83,9 @@ int sclp_chp_read_info(struct sclp_chp_info *info);
 void sclp_get_ipl_info(struct sclp_ipl_info *info);
 int sclp_pci_configure(u32 fid);
 int sclp_pci_deconfigure(u32 fid);
-int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
+int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count);
+int memcpy_hsa_user(void __user *dest, unsigned long src, size_t count);
 void sclp_early_detect(void);
-int _sclp_print_early(const char *);
+void _sclp_print_early(const char *);
 
 #endif /* _ASM_S390_SCLP_H */
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 23537661d..698372251 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -12,27 +12,24 @@
 #define PARMAREA		0x10400
 
 /*
- * Machine features detected in head.S
+ * Machine features detected in early.c
  */
 
 #define MACHINE_FLAG_VM		_BITUL(0)
-#define MACHINE_FLAG_IEEE	_BITUL(1)
-#define MACHINE_FLAG_CSP	_BITUL(2)
-#define MACHINE_FLAG_MVPG	_BITUL(3)
-#define MACHINE_FLAG_DIAG44	_BITUL(4)
+#define MACHINE_FLAG_KVM	_BITUL(1)
+#define MACHINE_FLAG_LPAR	_BITUL(2)
+#define MACHINE_FLAG_DIAG9C	_BITUL(3)
+#define MACHINE_FLAG_ESOP	_BITUL(4)
 #define MACHINE_FLAG_IDTE	_BITUL(5)
-#define MACHINE_FLAG_DIAG9C	_BITUL(6)
-#define MACHINE_FLAG_KVM	_BITUL(8)
-#define MACHINE_FLAG_ESOP	_BITUL(9)
-#define MACHINE_FLAG_EDAT1	_BITUL(10)
-#define MACHINE_FLAG_EDAT2	_BITUL(11)
-#define MACHINE_FLAG_LPAR	_BITUL(12)
-#define MACHINE_FLAG_LPP	_BITUL(13)
-#define MACHINE_FLAG_TOPOLOGY	_BITUL(14)
-#define MACHINE_FLAG_TE		_BITUL(15)
-#define MACHINE_FLAG_TLB_LC	_BITUL(17)
-#define MACHINE_FLAG_VX		_BITUL(18)
-#define MACHINE_FLAG_CAD	_BITUL(19)
+#define MACHINE_FLAG_DIAG44	_BITUL(6)
+#define MACHINE_FLAG_EDAT1	_BITUL(7)
+#define MACHINE_FLAG_EDAT2	_BITUL(8)
+#define MACHINE_FLAG_LPP	_BITUL(9)
+#define MACHINE_FLAG_TOPOLOGY	_BITUL(10)
+#define MACHINE_FLAG_TE		_BITUL(11)
+#define MACHINE_FLAG_TLB_LC	_BITUL(12)
+#define MACHINE_FLAG_VX		_BITUL(13)
+#define MACHINE_FLAG_CAD	_BITUL(14)
 
 #define LPP_MAGIC		_BITUL(31)
 #define LPP_PFAULT_PID_MASK	_AC(0xffffffff, UL)
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 5df26b11c..0cc383b9b 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -18,6 +18,7 @@
 extern struct mutex smp_cpu_state_mutex;
 extern unsigned int smp_cpu_mt_shift;
 extern unsigned int smp_cpu_mtid;
+extern __vector128 __initdata boot_cpu_vector_save_area[__NUM_VXRS];
 
 extern int __cpu_up(unsigned int cpu, struct task_struct *tidle);
 
@@ -55,7 +56,6 @@ static inline int smp_store_status(int cpu) { return 0; }
 static inline int smp_vcpu_scheduled(int cpu) { return 1; }
 static inline void smp_yield_cpu(int cpu) { }
 static inline void smp_fill_possible_mask(void) { }
-static inline void smp_save_dump_cpus(void) { }
 
 #endif /* CONFIG_SMP */
 
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index f7054a892..2728114d5 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -56,7 +56,12 @@ struct sysinfo_1_2_2 {
 	char format;
 	char reserved_0[1];
 	unsigned short acc_offset;
-	char reserved_1[20];
+	unsigned char mt_installed :1;
+	unsigned char :2;
+	unsigned char mt_stid :5;
+	unsigned char :3;
+	unsigned char mt_gtid :5;
+	char reserved_1[18];
 	unsigned int nominal_cap;
 	unsigned int secondary_cap;
 	unsigned int capability;
@@ -92,9 +97,13 @@ struct sysinfo_2_2_2 {
 	char name[8];
 	unsigned int caf;
 	char reserved_2[8];
-	unsigned char mt_installed;
-	unsigned char mt_general;
-	unsigned char mt_psmtid;
+	unsigned char mt_installed :1;
+	unsigned char :2;
+	unsigned char mt_stid :5;
+	unsigned char :3;
+	unsigned char mt_gtid :5;
+	unsigned char :3;
+	unsigned char mt_psmtid :5;
 	char reserved_3[5];
 	unsigned short cpus_dedicated;
 	unsigned short cpus_shared;
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 692b9247c..2fffc2c27 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -96,6 +96,4 @@ void arch_release_task_struct(struct task_struct *tsk);
 #define _TIF_31BIT		_BITUL(TIF_31BIT)
 #define _TIF_SINGLE_STEP	_BITUL(TIF_SINGLE_STEP)
 
-#define is_32bit_task()		(test_thread_flag(TIF_31BIT))
-
 #endif /* _ASM_THREAD_INFO_H */
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 94fc55fc7..6b53962e8 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -7,7 +7,7 @@
 struct sysinfo_15_1_x;
 struct cpu;
 
-#ifdef CONFIG_SCHED_BOOK
+#ifdef CONFIG_SCHED_TOPOLOGY
 
 struct cpu_topology_s390 {
 	unsigned short thread_id;
@@ -40,13 +40,13 @@ void store_topology(struct sysinfo_15_1_x *info);
 void topology_expect_change(void);
 const struct cpumask *cpu_coregroup_mask(int cpu);
 
-#else /* CONFIG_SCHED_BOOK */
+#else /* CONFIG_SCHED_TOPOLOGY */
 
 static inline void topology_schedule_update(void) { }
 static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
 static inline void topology_expect_change(void) { }
 
-#endif /* CONFIG_SCHED_BOOK */
+#endif /* CONFIG_SCHED_TOPOLOGY */
 
 #define POLARIZATION_UNKNOWN	(-1)
 #define POLARIZATION_HRZ	(0)
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index 787acd4f9..d0a2dbf24 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -38,12 +38,14 @@ struct vdso_data {
 struct vdso_per_cpu_data {
 	__u64 ectg_timer_base;
 	__u64 ectg_user_time;
+	__u32 cpu_nr;
+	__u32 node_id;
 };
 
 extern struct vdso_data *vdso_data;
 
-int vdso_alloc_per_cpu(struct _lowcore *lowcore);
-void vdso_free_per_cpu(struct _lowcore *lowcore);
+int vdso_alloc_per_cpu(struct lowcore *lowcore);
+void vdso_free_per_cpu(struct lowcore *lowcore);
 
 #endif /* __ASSEMBLY__ */
 #endif /* __S390_VDSO_H__ */
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index ef1a5fcc6..fe84bd5fe 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -66,6 +66,8 @@ struct kvm_s390_io_adapter_req {
 #define KVM_S390_VM_MEM_CLR_CMMA	1
 #define KVM_S390_VM_MEM_LIMIT_SIZE	2
 
+#define KVM_S390_NO_MEM_LIMIT		U64_MAX
+
 /* kvm attributes for KVM_S390_VM_TOD */
 #define KVM_S390_VM_TOD_LOW		0
 #define KVM_S390_VM_TOD_HIGH		1
@@ -151,6 +153,7 @@ struct kvm_guest_debug_arch {
 #define KVM_SYNC_ARCH0  (1UL << 4)
 #define KVM_SYNC_PFAULT (1UL << 5)
 #define KVM_SYNC_VRS    (1UL << 6)
+#define KVM_SYNC_RICCB  (1UL << 7)
 /* definition of registers in kvm_run */
 struct kvm_sync_regs {
 	__u64 prefix;	/* prefix register */
@@ -168,6 +171,8 @@ struct kvm_sync_regs {
 	__u64 vrs[32][2];	/* vector registers */
 	__u8  reserved[512];	/* for future vector expansion */
 	__u32 fpc;	/* only valid with vector registers */
+	__u8 padding[52];	/* riccb needs to be 64byte aligned */
+	__u8 riccb[64];		/* runtime instrumentation controls block */
 };
 
 #define KVM_REG_S390_TODPR	(KVM_REG_S390 | KVM_REG_SIZE_U32 | 0x1)
diff --git a/arch/s390/include/uapi/asm/socket.h b/arch/s390/include/uapi/asm/socket.h
index 296942d56..d02e89d14 100644
--- a/arch/s390/include/uapi/asm/socket.h
+++ b/arch/s390/include/uapi/asm/socket.h
@@ -91,4 +91,7 @@
 #define SO_ATTACH_BPF		50
 #define SO_DETACH_BPF		SO_DETACH_FILTER
 
+#define SO_ATTACH_REUSEPORT_CBPF	51
+#define SO_ATTACH_REUSEPORT_EBPF	52
+
 #endif /* _ASM_SOCKET_H */
diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h
index 34ec20247..ab3aa6875 100644
--- a/arch/s390/include/uapi/asm/unistd.h
+++ b/arch/s390/include/uapi/asm/unistd.h
@@ -310,7 +310,8 @@
 #define __NR_recvmsg		372
 #define __NR_shutdown		373
 #define __NR_mlock2		374
-#define NR_syscalls 375
+#define __NR_copy_file_range	375
+#define NR_syscalls 376
 
 /* 
  * There are some system calls that are not present on 64 bit, some