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-rw-r--r--arch/s390/include/asm/cacheflush.h30
-rw-r--r--arch/s390/include/asm/cpu_mf.h5
-rw-r--r--arch/s390/include/asm/ctl_reg.h12
-rw-r--r--arch/s390/include/asm/elf.h2
-rw-r--r--arch/s390/include/asm/hugetlb.h2
-rw-r--r--arch/s390/include/asm/livepatch.h2
-rw-r--r--arch/s390/include/asm/pci_clp.h2
-rw-r--r--arch/s390/include/asm/pgtable.h97
-rw-r--r--arch/s390/include/asm/processor.h4
-rw-r--r--arch/s390/include/asm/sclp.h12
-rw-r--r--arch/s390/include/asm/setup.h5
-rw-r--r--arch/s390/include/asm/spinlock.h2
-rw-r--r--arch/s390/include/asm/timex.h8
-rw-r--r--arch/s390/include/asm/uaccess.h8
14 files changed, 119 insertions, 72 deletions
diff --git a/arch/s390/include/asm/cacheflush.h b/arch/s390/include/asm/cacheflush.h
index 58fae7d098cf..0499334f9473 100644
--- a/arch/s390/include/asm/cacheflush.h
+++ b/arch/s390/include/asm/cacheflush.h
@@ -4,9 +4,31 @@
/* Caches aren't brain-dead on the s390. */
#include <asm-generic/cacheflush.h>
-int set_memory_ro(unsigned long addr, int numpages);
-int set_memory_rw(unsigned long addr, int numpages);
-int set_memory_nx(unsigned long addr, int numpages);
-int set_memory_x(unsigned long addr, int numpages);
+#define SET_MEMORY_RO 1UL
+#define SET_MEMORY_RW 2UL
+#define SET_MEMORY_NX 4UL
+#define SET_MEMORY_X 8UL
+
+int __set_memory(unsigned long addr, int numpages, unsigned long flags);
+
+static inline int set_memory_ro(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_RO);
+}
+
+static inline int set_memory_rw(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_RW);
+}
+
+static inline int set_memory_nx(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_NX);
+}
+
+static inline int set_memory_x(unsigned long addr, int numpages)
+{
+ return __set_memory(addr, numpages, SET_MEMORY_X);
+}
#endif /* _S390_CACHEFLUSH_H */
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index 428c41239a49..d1e0707310fd 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -199,14 +199,15 @@ static inline int ecctr(u64 ctr, u64 *val)
/* Store CPU counter multiple for the MT utilization counter set */
static inline int stcctm5(u64 num, u64 *val)
{
- typedef struct { u64 _[num]; } addrtype;
int cc;
asm volatile (
" .insn rsy,0xeb0000000017,%2,5,%1\n"
" ipm %0\n"
" srl %0,28\n"
- : "=d" (cc), "=Q" (*(addrtype *) val) : "d" (num) : "cc");
+ : "=d" (cc)
+ : "Q" (*val), "d" (num)
+ : "cc", "memory");
return cc;
}
diff --git a/arch/s390/include/asm/ctl_reg.h b/arch/s390/include/asm/ctl_reg.h
index 8e136b88cdf4..d0441ad2a990 100644
--- a/arch/s390/include/asm/ctl_reg.h
+++ b/arch/s390/include/asm/ctl_reg.h
@@ -9,7 +9,7 @@
#include <linux/bug.h>
-#define __ctl_load(array, low, high) { \
+#define __ctl_load(array, low, high) do { \
typedef struct { char _[sizeof(array)]; } addrtype; \
\
BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
@@ -18,9 +18,9 @@
: \
: "Q" (*(addrtype *)(&array)), "i" (low), "i" (high) \
: "memory"); \
-}
+} while (0)
-#define __ctl_store(array, low, high) { \
+#define __ctl_store(array, low, high) do { \
typedef struct { char _[sizeof(array)]; } addrtype; \
\
BUILD_BUG_ON(sizeof(addrtype) != (high - low + 1) * sizeof(long));\
@@ -28,7 +28,7 @@
" stctg %1,%2,%0\n" \
: "=Q" (*(addrtype *)(&array)) \
: "i" (low), "i" (high)); \
-}
+} while (0)
static inline void __ctl_set_bit(unsigned int cr, unsigned int bit)
{
@@ -62,7 +62,9 @@ union ctlreg0 {
unsigned long : 4;
unsigned long afp : 1; /* AFP-register control */
unsigned long vx : 1; /* Vector enablement control */
- unsigned long : 17;
+ unsigned long : 7;
+ unsigned long sssm : 1; /* Service signal subclass mask */
+ unsigned long : 9;
};
};
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index f4381e1fb19e..83aaefed2a7b 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -103,6 +103,8 @@
#define HWCAP_S390_HIGH_GPRS 512
#define HWCAP_S390_TE 1024
#define HWCAP_S390_VXRS 2048
+#define HWCAP_S390_VXRS_BCD 4096
+#define HWCAP_S390_VXRS_EXT 8192
/* Internal bits, not exposed via elf */
#define HWCAP_INT_SIE 1UL
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index 4c7fac75090e..cd546a245c68 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -14,7 +14,7 @@
#define is_hugepage_only_range(mm, addr, len) 0
#define hugetlb_free_pgd_range free_pgd_range
-#define hugepages_supported() (MACHINE_HAS_HPAGE)
+#define hugepages_supported() (MACHINE_HAS_EDAT1)
void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte);
diff --git a/arch/s390/include/asm/livepatch.h b/arch/s390/include/asm/livepatch.h
index 2c1213785892..6de5c6cb0061 100644
--- a/arch/s390/include/asm/livepatch.h
+++ b/arch/s390/include/asm/livepatch.h
@@ -17,7 +17,7 @@
#ifndef ASM_LIVEPATCH_H
#define ASM_LIVEPATCH_H
-#include <linux/module.h>
+#include <asm/ptrace.h>
static inline int klp_check_compiler_support(void)
{
diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h
index d6f1b1d94352..938b8cc19fc6 100644
--- a/arch/s390/include/asm/pci_clp.h
+++ b/arch/s390/include/asm/pci_clp.h
@@ -85,7 +85,7 @@ struct clp_rsp_query_pci {
u32 fid; /* pci function id */
u8 bar_size[PCI_BAR_COUNT];
u16 pchid;
- u32 bar[PCI_BAR_COUNT];
+ __le32 bar[PCI_BAR_COUNT];
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
u32 : 16;
u8 fmb_len;
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 0362cd5fa187..52511866fb14 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -200,6 +200,7 @@ static inline int is_module_addr(void *addr)
*/
/* Hardware bits in the page table entry */
+#define _PAGE_NOEXEC 0x100 /* HW no-execute bit */
#define _PAGE_PROTECT 0x200 /* HW read-only bit */
#define _PAGE_INVALID 0x400 /* HW invalid bit */
#define _PAGE_LARGE 0x800 /* Bit to mark a large pte */
@@ -277,6 +278,7 @@ static inline int is_module_addr(void *addr)
/* Bits in the region table entry */
#define _REGION_ENTRY_ORIGIN ~0xfffUL/* region/segment table origin */
#define _REGION_ENTRY_PROTECT 0x200 /* region protection bit */
+#define _REGION_ENTRY_NOEXEC 0x100 /* region no-execute bit */
#define _REGION_ENTRY_OFFSET 0xc0 /* region table offset */
#define _REGION_ENTRY_INVALID 0x20 /* invalid region table entry */
#define _REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */
@@ -316,6 +318,7 @@ static inline int is_module_addr(void *addr)
#define _SEGMENT_ENTRY_ORIGIN_LARGE ~0xfffffUL /* large page address */
#define _SEGMENT_ENTRY_ORIGIN ~0x7ffUL/* segment table origin */
#define _SEGMENT_ENTRY_PROTECT 0x200 /* page protection bit */
+#define _SEGMENT_ENTRY_NOEXEC 0x100 /* region no-execute bit */
#define _SEGMENT_ENTRY_INVALID 0x20 /* invalid segment table entry */
#define _SEGMENT_ENTRY (0)
@@ -385,17 +388,23 @@ static inline int is_module_addr(void *addr)
* Page protection definitions.
*/
#define PAGE_NONE __pgprot(_PAGE_PRESENT | _PAGE_INVALID | _PAGE_PROTECT)
-#define PAGE_READ __pgprot(_PAGE_PRESENT | _PAGE_READ | \
+#define PAGE_RO __pgprot(_PAGE_PRESENT | _PAGE_READ | \
+ _PAGE_NOEXEC | _PAGE_INVALID | _PAGE_PROTECT)
+#define PAGE_RX __pgprot(_PAGE_PRESENT | _PAGE_READ | \
_PAGE_INVALID | _PAGE_PROTECT)
-#define PAGE_WRITE __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
+#define PAGE_RW __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
+ _PAGE_NOEXEC | _PAGE_INVALID | _PAGE_PROTECT)
+#define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
_PAGE_INVALID | _PAGE_PROTECT)
#define PAGE_SHARED __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
- _PAGE_YOUNG | _PAGE_DIRTY)
+ _PAGE_YOUNG | _PAGE_DIRTY | _PAGE_NOEXEC)
#define PAGE_KERNEL __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
- _PAGE_YOUNG | _PAGE_DIRTY)
+ _PAGE_YOUNG | _PAGE_DIRTY | _PAGE_NOEXEC)
#define PAGE_KERNEL_RO __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_YOUNG | \
- _PAGE_PROTECT)
+ _PAGE_PROTECT | _PAGE_NOEXEC)
+#define PAGE_KERNEL_EXEC __pgprot(_PAGE_PRESENT | _PAGE_READ | _PAGE_WRITE | \
+ _PAGE_YOUNG | _PAGE_DIRTY)
/*
* On s390 the page table entry has an invalid bit and a read-only bit.
@@ -404,43 +413,51 @@ static inline int is_module_addr(void *addr)
*/
/*xwr*/
#define __P000 PAGE_NONE
-#define __P001 PAGE_READ
-#define __P010 PAGE_READ
-#define __P011 PAGE_READ
-#define __P100 PAGE_READ
-#define __P101 PAGE_READ
-#define __P110 PAGE_READ
-#define __P111 PAGE_READ
+#define __P001 PAGE_RO
+#define __P010 PAGE_RO
+#define __P011 PAGE_RO
+#define __P100 PAGE_RX
+#define __P101 PAGE_RX
+#define __P110 PAGE_RX
+#define __P111 PAGE_RX
#define __S000 PAGE_NONE
-#define __S001 PAGE_READ
-#define __S010 PAGE_WRITE
-#define __S011 PAGE_WRITE
-#define __S100 PAGE_READ
-#define __S101 PAGE_READ
-#define __S110 PAGE_WRITE
-#define __S111 PAGE_WRITE
+#define __S001 PAGE_RO
+#define __S010 PAGE_RW
+#define __S011 PAGE_RW
+#define __S100 PAGE_RX
+#define __S101 PAGE_RX
+#define __S110 PAGE_RWX
+#define __S111 PAGE_RWX
/*
* Segment entry (large page) protection definitions.
*/
#define SEGMENT_NONE __pgprot(_SEGMENT_ENTRY_INVALID | \
_SEGMENT_ENTRY_PROTECT)
-#define SEGMENT_READ __pgprot(_SEGMENT_ENTRY_PROTECT | \
+#define SEGMENT_RO __pgprot(_SEGMENT_ENTRY_PROTECT | \
+ _SEGMENT_ENTRY_READ | \
+ _SEGMENT_ENTRY_NOEXEC)
+#define SEGMENT_RX __pgprot(_SEGMENT_ENTRY_PROTECT | \
_SEGMENT_ENTRY_READ)
-#define SEGMENT_WRITE __pgprot(_SEGMENT_ENTRY_READ | \
+#define SEGMENT_RW __pgprot(_SEGMENT_ENTRY_READ | \
+ _SEGMENT_ENTRY_WRITE | \
+ _SEGMENT_ENTRY_NOEXEC)
+#define SEGMENT_RWX __pgprot(_SEGMENT_ENTRY_READ | \
_SEGMENT_ENTRY_WRITE)
#define SEGMENT_KERNEL __pgprot(_SEGMENT_ENTRY | \
_SEGMENT_ENTRY_LARGE | \
_SEGMENT_ENTRY_READ | \
_SEGMENT_ENTRY_WRITE | \
_SEGMENT_ENTRY_YOUNG | \
- _SEGMENT_ENTRY_DIRTY)
+ _SEGMENT_ENTRY_DIRTY | \
+ _SEGMENT_ENTRY_NOEXEC)
#define SEGMENT_KERNEL_RO __pgprot(_SEGMENT_ENTRY | \
_SEGMENT_ENTRY_LARGE | \
_SEGMENT_ENTRY_READ | \
_SEGMENT_ENTRY_YOUNG | \
- _SEGMENT_ENTRY_PROTECT)
+ _SEGMENT_ENTRY_PROTECT | \
+ _SEGMENT_ENTRY_NOEXEC)
/*
* Region3 entry (large page) protection definitions.
@@ -451,12 +468,14 @@ static inline int is_module_addr(void *addr)
_REGION3_ENTRY_READ | \
_REGION3_ENTRY_WRITE | \
_REGION3_ENTRY_YOUNG | \
- _REGION3_ENTRY_DIRTY)
+ _REGION3_ENTRY_DIRTY | \
+ _REGION_ENTRY_NOEXEC)
#define REGION3_KERNEL_RO __pgprot(_REGION_ENTRY_TYPE_R3 | \
_REGION3_ENTRY_LARGE | \
_REGION3_ENTRY_READ | \
_REGION3_ENTRY_YOUNG | \
- _REGION_ENTRY_PROTECT)
+ _REGION_ENTRY_PROTECT | \
+ _REGION_ENTRY_NOEXEC)
static inline int mm_has_pgste(struct mm_struct *mm)
{
@@ -801,14 +820,14 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
pte_val(pte) &= _PAGE_CHG_MASK;
pte_val(pte) |= pgprot_val(newprot);
/*
- * newprot for PAGE_NONE, PAGE_READ and PAGE_WRITE has the
- * invalid bit set, clear it again for readable, young pages
+ * newprot for PAGE_NONE, PAGE_RO, PAGE_RX, PAGE_RW and PAGE_RWX
+ * has the invalid bit set, clear it again for readable, young pages
*/
if ((pte_val(pte) & _PAGE_YOUNG) && (pte_val(pte) & _PAGE_READ))
pte_val(pte) &= ~_PAGE_INVALID;
/*
- * newprot for PAGE_READ and PAGE_WRITE has the page protection
- * bit set, clear it again for writable, dirty pages
+ * newprot for PAGE_RO, PAGE_RX, PAGE_RW and PAGE_RWX has the page
+ * protection bit set, clear it again for writable, dirty pages
*/
if ((pte_val(pte) & _PAGE_DIRTY) && (pte_val(pte) & _PAGE_WRITE))
pte_val(pte) &= ~_PAGE_PROTECT;
@@ -1029,6 +1048,8 @@ int get_guest_storage_key(struct mm_struct *mm, unsigned long addr,
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t entry)
{
+ if (!MACHINE_HAS_NX)
+ pte_val(entry) &= ~_PAGE_NOEXEC;
if (mm_has_pgste(mm))
ptep_set_pte_at(mm, addr, ptep, entry);
else
@@ -1173,14 +1194,18 @@ static inline pud_t pud_mkdirty(pud_t pud)
static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot)
{
/*
- * pgprot is PAGE_NONE, PAGE_READ, or PAGE_WRITE (see __Pxxx / __Sxxx)
- * Convert to segment table entry format.
+ * pgprot is PAGE_NONE, PAGE_RO, PAGE_RX, PAGE_RW or PAGE_RWX
+ * (see __Pxxx / __Sxxx). Convert to segment table entry format.
*/
if (pgprot_val(pgprot) == pgprot_val(PAGE_NONE))
return pgprot_val(SEGMENT_NONE);
- if (pgprot_val(pgprot) == pgprot_val(PAGE_READ))
- return pgprot_val(SEGMENT_READ);
- return pgprot_val(SEGMENT_WRITE);
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_RO))
+ return pgprot_val(SEGMENT_RO);
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_RX))
+ return pgprot_val(SEGMENT_RX);
+ if (pgprot_val(pgprot) == pgprot_val(PAGE_RW))
+ return pgprot_val(SEGMENT_RW);
+ return pgprot_val(SEGMENT_RWX);
}
static inline pmd_t pmd_mkyoung(pmd_t pmd)
@@ -1315,6 +1340,8 @@ static inline int pmdp_clear_flush_young(struct vm_area_struct *vma,
static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp, pmd_t entry)
{
+ if (!MACHINE_HAS_NX)
+ pmd_val(entry) &= ~_SEGMENT_ENTRY_NOEXEC;
*pmdp = entry;
}
@@ -1389,7 +1416,7 @@ static inline int pmd_trans_huge(pmd_t pmd)
#define has_transparent_hugepage has_transparent_hugepage
static inline int has_transparent_hugepage(void)
{
- return MACHINE_HAS_HPAGE ? 1 : 0;
+ return MACHINE_HAS_EDAT1 ? 1 : 0;
}
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 977a5b6501b8..dacba341e475 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -361,12 +361,12 @@ extern void (*s390_base_ext_handler_fn)(void);
extern int memcpy_real(void *, void *, size_t);
extern void memcpy_absolute(void *, void *, size_t);
-#define mem_assign_absolute(dest, val) { \
+#define mem_assign_absolute(dest, val) do { \
__typeof__(dest) __tmp = (val); \
\
BUILD_BUG_ON(sizeof(__tmp) != sizeof(val)); \
memcpy_absolute(&(dest), &__tmp, sizeof(__tmp)); \
-}
+} while (0)
#endif /* __ASSEMBLY__ */
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 8db92a5b3bf1..ace3bd315438 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -101,7 +101,12 @@ struct zpci_report_error_header {
u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */
} __packed;
-int _sclp_get_core_info_early(struct sclp_core_info *info);
+int sclp_early_get_core_info(struct sclp_core_info *info);
+void sclp_early_get_ipl_info(struct sclp_ipl_info *info);
+void sclp_early_detect(void);
+void sclp_early_printk(const char *s);
+void __sclp_early_printk(const char *s, unsigned int len);
+
int _sclp_get_core_info(struct sclp_core_info *info);
int sclp_core_configure(u8 core);
int sclp_core_deconfigure(u8 core);
@@ -110,20 +115,17 @@ int sclp_sdias_copy(void *dest, int blk_num, int nr_blks);
int sclp_chp_configure(struct chp_id chpid);
int sclp_chp_deconfigure(struct chp_id chpid);
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 sclp_pci_report(struct zpci_report_error_header *report, u32 fh, u32 fid);
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);
-void _sclp_print_early(const char *);
void sclp_ocf_cpc_name_copy(char *dst);
static inline int sclp_get_core_info(struct sclp_core_info *info, int early)
{
if (early)
- return _sclp_get_core_info_early(info);
+ return sclp_early_get_core_info(info);
return _sclp_get_core_info(info);
}
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 5e8d57e1cc5e..30bdb5a027f3 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -30,6 +30,7 @@
#define MACHINE_FLAG_TLB_LC _BITUL(12)
#define MACHINE_FLAG_VX _BITUL(13)
#define MACHINE_FLAG_CAD _BITUL(14)
+#define MACHINE_FLAG_NX _BITUL(15)
#define LPP_MAGIC _BITUL(31)
#define LPP_PFAULT_PID_MASK _AC(0xffffffff, UL)
@@ -58,9 +59,6 @@ extern void detect_memory_memblock(void);
#define MACHINE_HAS_DIAG9C (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
#define MACHINE_HAS_ESOP (S390_lowcore.machine_flags & MACHINE_FLAG_ESOP)
-#define MACHINE_HAS_PFMF MACHINE_HAS_EDAT1
-#define MACHINE_HAS_HPAGE MACHINE_HAS_EDAT1
-
#define MACHINE_HAS_IDTE (S390_lowcore.machine_flags & MACHINE_FLAG_IDTE)
#define MACHINE_HAS_DIAG44 (S390_lowcore.machine_flags & MACHINE_FLAG_DIAG44)
#define MACHINE_HAS_EDAT1 (S390_lowcore.machine_flags & MACHINE_FLAG_EDAT1)
@@ -71,6 +69,7 @@ extern void detect_memory_memblock(void);
#define MACHINE_HAS_TLB_LC (S390_lowcore.machine_flags & MACHINE_FLAG_TLB_LC)
#define MACHINE_HAS_VX (S390_lowcore.machine_flags & MACHINE_FLAG_VX)
#define MACHINE_HAS_CAD (S390_lowcore.machine_flags & MACHINE_FLAG_CAD)
+#define MACHINE_HAS_NX (S390_lowcore.machine_flags & MACHINE_FLAG_NX)
/*
* Console mode. Override with conmode=
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 7ecd8902a5c3..ffc45048ea7d 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -63,7 +63,7 @@ static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
static inline int arch_spin_is_locked(arch_spinlock_t *lp)
{
- return ACCESS_ONCE(lp->lock) != 0;
+ return READ_ONCE(lp->lock) != 0;
}
static inline int arch_spin_trylock_once(arch_spinlock_t *lp)
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index de8298800722..354344dcc198 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -178,14 +178,6 @@ int get_phys_clock(unsigned long long *clock);
void init_cpu_timer(void);
unsigned long long monotonic_clock(void);
-void tod_to_timeval(__u64 todval, struct timespec64 *xt);
-
-static inline
-void stck_to_timespec64(unsigned long long stck, struct timespec64 *ts)
-{
- tod_to_timeval(stck - TOD_UNIX_EPOCH, ts);
-}
-
extern u64 sched_clock_base_cc;
/**
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index f82b04e85a21..b2988fc60f65 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -38,13 +38,13 @@
#define get_fs() (current->thread.mm_segment)
#define set_fs(x) \
-{ \
+do { \
unsigned long __pto; \
current->thread.mm_segment = (x); \
__pto = current->thread.mm_segment.ar4 ? \
S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
__ctl_load(__pto, 7, 7); \
-}
+} while (0)
#define segment_eq(a,b) ((a).ar4 == (b).ar4)
@@ -177,7 +177,7 @@ static inline int __put_user_fn(void *x, void __user *ptr, unsigned long size)
(unsigned long *)x,
size, spec);
break;
- };
+ }
return rc;
}
@@ -207,7 +207,7 @@ static inline int __get_user_fn(void *x, const void __user *ptr, unsigned long s
(unsigned long __user *)ptr,
size, spec);
break;
- };
+ }
return rc;
}
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