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-rw-r--r--arch/s390/include/asm/barrier.h23
-rw-r--r--arch/s390/include/asm/compat.h2
-rw-r--r--arch/s390/include/asm/crw.h14
-rw-r--r--arch/s390/include/asm/dma-mapping.h2
-rw-r--r--arch/s390/include/asm/elf.h18
-rw-r--r--arch/s390/include/asm/facilities_src.h58
-rw-r--r--arch/s390/include/asm/facility.h17
-rw-r--r--arch/s390/include/asm/fpu/internal.h10
-rw-r--r--arch/s390/include/asm/ipl.h14
-rw-r--r--arch/s390/include/asm/kvm_host.h57
-rw-r--r--arch/s390/include/asm/lowcore.h27
-rw-r--r--arch/s390/include/asm/os_info.h2
-rw-r--r--arch/s390/include/asm/pci_dma.h2
-rw-r--r--arch/s390/include/asm/pgtable.h16
-rw-r--r--arch/s390/include/asm/processor.h12
-rw-r--r--arch/s390/include/asm/ptrace.h38
-rw-r--r--arch/s390/include/asm/reset.h3
-rw-r--r--arch/s390/include/asm/sclp.h21
-rw-r--r--arch/s390/include/asm/setup.h31
-rw-r--r--arch/s390/include/asm/smp.h2
-rw-r--r--arch/s390/include/asm/sysinfo.h17
-rw-r--r--arch/s390/include/asm/thread_info.h2
-rw-r--r--arch/s390/include/asm/topology.h6
-rw-r--r--arch/s390/include/asm/vdso.h6
24 files changed, 239 insertions, 161 deletions
diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h
index 7ffd0b19135c..5c8db3ce61c8 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); smp_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 d350ed9d0fbb..352f7bdaf11f 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 7c31d3e25cd1..bcb9cd2a730a 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 b3fd54d93dd2..e64bfcb9702f 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 bab6739a1154..563ab9f44874 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 000000000000..4917728e5828
--- /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 0aa6a7ed95a3..09b406db7529 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 2559b16da525..ea91ddfe54eb 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 86634e71b69f..6fc44dca193e 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/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index efaac2c3bb77..6742414dbd6f 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 {
@@ -585,11 +625,14 @@ 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/lowcore.h b/arch/s390/include/asm/lowcore.h
index afe1cfebf1a4..d79ba7cf75b0 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/os_info.h b/arch/s390/include/asm/os_info.h
index 295f2c4f1c96..943475382d51 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 1aac41e83ea1..92df3eb8d14e 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/pgtable.h b/arch/s390/include/asm/pgtable.h
index 024f85f947ae..64ead8091248 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 b16c3d0a1b9f..f16debf6a612 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)
/*
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 37cbc50947f2..f00cd35c8ac4 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 {
diff --git a/arch/s390/include/asm/reset.h b/arch/s390/include/asm/reset.h
index 72786067b300..fe11fa88a0e0 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 821dde5f425d..bab456be9a4f 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 23537661da0e..69837225119e 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 5df26b11cf47..0cc383b9be7f 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 f7054a892d9e..2728114d5484 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 692b9247c019..2fffc2c27581 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 94fc55fc72ce..6b53962e807e 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 787acd4f9668..d0a2dbf2433d 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__ */