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-rw-r--r--arch/s390/include/asm/bitops.h117
-rw-r--r--arch/s390/include/asm/ccwdev.h3
-rw-r--r--arch/s390/include/asm/cio.h2
-rw-r--r--arch/s390/include/asm/compat.h57
-rw-r--r--arch/s390/include/asm/cpu_mf.h1
-rw-r--r--arch/s390/include/asm/eadm.h6
-rw-r--r--arch/s390/include/asm/elf.h23
-rw-r--r--arch/s390/include/asm/hugetlb.h56
-rw-r--r--arch/s390/include/asm/io.h4
-rw-r--r--arch/s390/include/asm/pci.h1
-rw-r--r--arch/s390/include/asm/pci_debug.h9
-rw-r--r--arch/s390/include/asm/pci_insn.h203
-rw-r--r--arch/s390/include/asm/pci_io.h16
-rw-r--r--arch/s390/include/asm/pgtable.h105
-rw-r--r--arch/s390/include/asm/processor.h3
-rw-r--r--arch/s390/include/asm/ptrace.h6
-rw-r--r--arch/s390/include/asm/syscall.h1
-rw-r--r--arch/s390/include/asm/thread_info.h6
-rw-r--r--arch/s390/include/asm/tlbflush.h2
19 files changed, 256 insertions, 365 deletions
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 15422933c60b..4d8604e311f3 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -61,8 +61,6 @@ extern const char _sb_findmap[];
#ifndef CONFIG_64BIT
-#define __BITOPS_ALIGN 3
-#define __BITOPS_WORDSIZE 32
#define __BITOPS_OR "or"
#define __BITOPS_AND "nr"
#define __BITOPS_XOR "xr"
@@ -81,8 +79,6 @@ extern const char _sb_findmap[];
#else /* CONFIG_64BIT */
-#define __BITOPS_ALIGN 7
-#define __BITOPS_WORDSIZE 64
#define __BITOPS_OR "ogr"
#define __BITOPS_AND "ngr"
#define __BITOPS_XOR "xgr"
@@ -101,8 +97,7 @@ extern const char _sb_findmap[];
#endif /* CONFIG_64BIT */
-#define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE)
-#define __BITOPS_BARRIER() asm volatile("" : : : "memory")
+#define __BITOPS_WORDS(bits) (((bits) + BITS_PER_LONG - 1) / BITS_PER_LONG)
#ifdef CONFIG_SMP
/*
@@ -114,9 +109,9 @@ static inline void set_bit_cs(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr;
/* calculate address for CS */
- addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
+ addr += (nr ^ (nr & (BITS_PER_LONG - 1))) >> 3;
/* make OR mask */
- mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1));
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
/* Do the atomic update. */
__BITOPS_LOOP(old, new, addr, mask, __BITOPS_OR);
}
@@ -130,9 +125,9 @@ static inline void clear_bit_cs(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr;
/* calculate address for CS */
- addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
+ addr += (nr ^ (nr & (BITS_PER_LONG - 1))) >> 3;
/* make AND mask */
- mask = ~(1UL << (nr & (__BITOPS_WORDSIZE - 1)));
+ mask = ~(1UL << (nr & (BITS_PER_LONG - 1)));
/* Do the atomic update. */
__BITOPS_LOOP(old, new, addr, mask, __BITOPS_AND);
}
@@ -146,9 +141,9 @@ static inline void change_bit_cs(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr;
/* calculate address for CS */
- addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
+ addr += (nr ^ (nr & (BITS_PER_LONG - 1))) >> 3;
/* make XOR mask */
- mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1));
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
/* Do the atomic update. */
__BITOPS_LOOP(old, new, addr, mask, __BITOPS_XOR);
}
@@ -163,12 +158,12 @@ test_and_set_bit_cs(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr;
/* calculate address for CS */
- addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
+ addr += (nr ^ (nr & (BITS_PER_LONG - 1))) >> 3;
/* make OR/test mask */
- mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1));
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
/* Do the atomic update. */
__BITOPS_LOOP(old, new, addr, mask, __BITOPS_OR);
- __BITOPS_BARRIER();
+ barrier();
return (old & mask) != 0;
}
@@ -182,12 +177,12 @@ test_and_clear_bit_cs(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr;
/* calculate address for CS */
- addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
+ addr += (nr ^ (nr & (BITS_PER_LONG - 1))) >> 3;
/* make AND/test mask */
- mask = ~(1UL << (nr & (__BITOPS_WORDSIZE - 1)));
+ mask = ~(1UL << (nr & (BITS_PER_LONG - 1)));
/* Do the atomic update. */
__BITOPS_LOOP(old, new, addr, mask, __BITOPS_AND);
- __BITOPS_BARRIER();
+ barrier();
return (old ^ new) != 0;
}
@@ -201,12 +196,12 @@ test_and_change_bit_cs(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr;
/* calculate address for CS */
- addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
+ addr += (nr ^ (nr & (BITS_PER_LONG - 1))) >> 3;
/* make XOR/test mask */
- mask = 1UL << (nr & (__BITOPS_WORDSIZE - 1));
+ mask = 1UL << (nr & (BITS_PER_LONG - 1));
/* Do the atomic update. */
__BITOPS_LOOP(old, new, addr, mask, __BITOPS_XOR);
- __BITOPS_BARRIER();
+ barrier();
return (old & mask) != 0;
}
#endif /* CONFIG_SMP */
@@ -218,7 +213,7 @@ static inline void __set_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long addr;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
asm volatile(
" oc %O0(1,%R0),%1"
: "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" );
@@ -229,7 +224,7 @@ __constant_set_bit(const unsigned long nr, volatile unsigned long *ptr)
{
unsigned long addr;
- addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = ((unsigned long) ptr) + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
*(unsigned char *) addr |= 1 << (nr & 7);
}
@@ -246,7 +241,7 @@ __clear_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long addr;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
asm volatile(
" nc %O0(1,%R0),%1"
: "=Q" (*(char *) addr) : "Q" (_ni_bitmap[nr & 7]) : "cc" );
@@ -257,7 +252,7 @@ __constant_clear_bit(const unsigned long nr, volatile unsigned long *ptr)
{
unsigned long addr;
- addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = ((unsigned long) ptr) + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
*(unsigned char *) addr &= ~(1 << (nr & 7));
}
@@ -273,7 +268,7 @@ static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr)
{
unsigned long addr;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
asm volatile(
" xc %O0(1,%R0),%1"
: "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" );
@@ -284,7 +279,7 @@ __constant_change_bit(const unsigned long nr, volatile unsigned long *ptr)
{
unsigned long addr;
- addr = ((unsigned long) ptr) + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = ((unsigned long) ptr) + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
*(unsigned char *) addr ^= 1 << (nr & 7);
}
@@ -302,7 +297,7 @@ test_and_set_bit_simple(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr;
unsigned char ch;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
ch = *(unsigned char *) addr;
asm volatile(
" oc %O0(1,%R0),%1"
@@ -321,7 +316,7 @@ test_and_clear_bit_simple(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr;
unsigned char ch;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
ch = *(unsigned char *) addr;
asm volatile(
" nc %O0(1,%R0),%1"
@@ -340,7 +335,7 @@ test_and_change_bit_simple(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr;
unsigned char ch;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
ch = *(unsigned char *) addr;
asm volatile(
" xc %O0(1,%R0),%1"
@@ -376,7 +371,7 @@ static inline int __test_bit(unsigned long nr, const volatile unsigned long *ptr
unsigned long addr;
unsigned char ch;
- addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
+ addr = (unsigned long) ptr + ((nr ^ (BITS_PER_LONG - 8)) >> 3);
ch = *(volatile unsigned char *) addr;
return (ch >> (nr & 7)) & 1;
}
@@ -384,7 +379,7 @@ static inline int __test_bit(unsigned long nr, const volatile unsigned long *ptr
static inline int
__constant_test_bit(unsigned long nr, const volatile unsigned long *addr) {
return (((volatile char *) addr)
- [(nr^(__BITOPS_WORDSIZE-8))>>3] & (1<<(nr&7))) != 0;
+ [(nr^(BITS_PER_LONG-8))>>3] & (1<<(nr&7))) != 0;
}
#define test_bit(nr,addr) \
@@ -693,18 +688,18 @@ static inline int find_next_bit_left(const unsigned long *addr,
if (offset >= size)
return size;
- bit = offset & (__BITOPS_WORDSIZE - 1);
+ bit = offset & (BITS_PER_LONG - 1);
offset -= bit;
size -= offset;
- p = addr + offset / __BITOPS_WORDSIZE;
+ p = addr + offset / BITS_PER_LONG;
if (bit) {
set = __flo_word(0, *p & (~0UL << bit));
if (set >= size)
return size + offset;
- if (set < __BITOPS_WORDSIZE)
+ if (set < BITS_PER_LONG)
return set + offset;
- offset += __BITOPS_WORDSIZE;
- size -= __BITOPS_WORDSIZE;
+ offset += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
p++;
}
return offset + find_first_bit_left(p, size);
@@ -736,22 +731,22 @@ static inline int find_next_zero_bit (const unsigned long * addr,
if (offset >= size)
return size;
- bit = offset & (__BITOPS_WORDSIZE - 1);
+ bit = offset & (BITS_PER_LONG - 1);
offset -= bit;
size -= offset;
- p = addr + offset / __BITOPS_WORDSIZE;
+ p = addr + offset / BITS_PER_LONG;
if (bit) {
/*
- * __ffz_word returns __BITOPS_WORDSIZE
+ * __ffz_word returns BITS_PER_LONG
* if no zero bit is present in the word.
*/
set = __ffz_word(bit, *p >> bit);
if (set >= size)
return size + offset;
- if (set < __BITOPS_WORDSIZE)
+ if (set < BITS_PER_LONG)
return set + offset;
- offset += __BITOPS_WORDSIZE;
- size -= __BITOPS_WORDSIZE;
+ offset += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
p++;
}
return offset + find_first_zero_bit(p, size);
@@ -773,22 +768,22 @@ static inline int find_next_bit (const unsigned long * addr,
if (offset >= size)
return size;
- bit = offset & (__BITOPS_WORDSIZE - 1);
+ bit = offset & (BITS_PER_LONG - 1);
offset -= bit;
size -= offset;
- p = addr + offset / __BITOPS_WORDSIZE;
+ p = addr + offset / BITS_PER_LONG;
if (bit) {
/*
- * __ffs_word returns __BITOPS_WORDSIZE
+ * __ffs_word returns BITS_PER_LONG
* if no one bit is present in the word.
*/
set = __ffs_word(0, *p & (~0UL << bit));
if (set >= size)
return size + offset;
- if (set < __BITOPS_WORDSIZE)
+ if (set < BITS_PER_LONG)
return set + offset;
- offset += __BITOPS_WORDSIZE;
- size -= __BITOPS_WORDSIZE;
+ offset += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
p++;
}
return offset + find_first_bit(p, size);
@@ -843,22 +838,22 @@ static inline int find_next_zero_bit_le(void *vaddr, unsigned long size,
if (offset >= size)
return size;
- bit = offset & (__BITOPS_WORDSIZE - 1);
+ bit = offset & (BITS_PER_LONG - 1);
offset -= bit;
size -= offset;
- p = addr + offset / __BITOPS_WORDSIZE;
+ p = addr + offset / BITS_PER_LONG;
if (bit) {
/*
- * s390 version of ffz returns __BITOPS_WORDSIZE
+ * s390 version of ffz returns BITS_PER_LONG
* if no zero bit is present in the word.
*/
set = __ffz_word(bit, __load_ulong_le(p, 0) >> bit);
if (set >= size)
return size + offset;
- if (set < __BITOPS_WORDSIZE)
+ if (set < BITS_PER_LONG)
return set + offset;
- offset += __BITOPS_WORDSIZE;
- size -= __BITOPS_WORDSIZE;
+ offset += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
p++;
}
return offset + find_first_zero_bit_le(p, size);
@@ -885,22 +880,22 @@ static inline int find_next_bit_le(void *vaddr, unsigned long size,
if (offset >= size)
return size;
- bit = offset & (__BITOPS_WORDSIZE - 1);
+ bit = offset & (BITS_PER_LONG - 1);
offset -= bit;
size -= offset;
- p = addr + offset / __BITOPS_WORDSIZE;
+ p = addr + offset / BITS_PER_LONG;
if (bit) {
/*
- * s390 version of ffz returns __BITOPS_WORDSIZE
+ * s390 version of ffz returns BITS_PER_LONG
* if no zero bit is present in the word.
*/
set = __ffs_word(0, __load_ulong_le(p, 0) & (~0UL << bit));
if (set >= size)
return size + offset;
- if (set < __BITOPS_WORDSIZE)
+ if (set < BITS_PER_LONG)
return set + offset;
- offset += __BITOPS_WORDSIZE;
- size -= __BITOPS_WORDSIZE;
+ offset += BITS_PER_LONG;
+ size -= BITS_PER_LONG;
p++;
}
return offset + find_first_bit_le(p, size);
diff --git a/arch/s390/include/asm/ccwdev.h b/arch/s390/include/asm/ccwdev.h
index e6061617a50b..f201af8be580 100644
--- a/arch/s390/include/asm/ccwdev.h
+++ b/arch/s390/include/asm/ccwdev.h
@@ -220,7 +220,8 @@ extern void ccw_device_get_id(struct ccw_device *, struct ccw_dev_id *);
#define to_ccwdrv(n) container_of(n, struct ccw_driver, driver)
extern struct ccw_device *ccw_device_probe_console(void);
-extern int ccw_device_force_console(void);
+extern void ccw_device_wait_idle(struct ccw_device *);
+extern int ccw_device_force_console(struct ccw_device *);
int ccw_device_siosl(struct ccw_device *);
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index ad2b924167d7..ffb898961c8d 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -296,8 +296,6 @@ static inline int ccw_dev_id_is_equal(struct ccw_dev_id *dev_id1,
return 0;
}
-extern void wait_cons_dev(void);
-
extern void css_schedule_reprobe(void);
extern void reipl_ccw_dev(struct ccw_dev_id *id);
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index f8c6df6cd1f0..c1e7c646727c 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -70,6 +70,22 @@ typedef u32 compat_ulong_t;
typedef u64 compat_u64;
typedef u32 compat_uptr_t;
+typedef struct {
+ u32 mask;
+ u32 addr;
+} __aligned(8) psw_compat_t;
+
+typedef struct {
+ psw_compat_t psw;
+ u32 gprs[NUM_GPRS];
+ u32 acrs[NUM_ACRS];
+ u32 orig_gpr2;
+} s390_compat_regs;
+
+typedef struct {
+ u32 gprs_high[NUM_GPRS];
+} s390_compat_regs_high;
+
struct compat_timespec {
compat_time_t tv_sec;
s32 tv_nsec;
@@ -124,18 +140,33 @@ struct compat_flock64 {
};
struct compat_statfs {
- s32 f_type;
- s32 f_bsize;
- s32 f_blocks;
- s32 f_bfree;
- s32 f_bavail;
- s32 f_files;
- s32 f_ffree;
+ u32 f_type;
+ u32 f_bsize;
+ u32 f_blocks;
+ u32 f_bfree;
+ u32 f_bavail;
+ u32 f_files;
+ u32 f_ffree;
+ compat_fsid_t f_fsid;
+ u32 f_namelen;
+ u32 f_frsize;
+ u32 f_flags;
+ u32 f_spare[4];
+};
+
+struct compat_statfs64 {
+ u32 f_type;
+ u32 f_bsize;
+ u64 f_blocks;
+ u64 f_bfree;
+ u64 f_bavail;
+ u64 f_files;
+ u64 f_ffree;
compat_fsid_t f_fsid;
- s32 f_namelen;
- s32 f_frsize;
- s32 f_flags;
- s32 f_spare[5];
+ u32 f_namelen;
+ u32 f_frsize;
+ u32 f_flags;
+ u32 f_spare[4];
};
#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
@@ -248,8 +279,6 @@ static inline int is_compat_task(void)
return is_32bit_task();
}
-#endif
-
static inline void __user *arch_compat_alloc_user_space(long len)
{
unsigned long stack;
@@ -260,6 +289,8 @@ static inline void __user *arch_compat_alloc_user_space(long len)
return (void __user *) (stack - len);
}
+#endif
+
struct compat_ipc64_perm {
compat_key_t key;
__compat_uid32_t uid;
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index f1eddd150dd7..c879fad404c8 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -12,6 +12,7 @@
#ifndef _ASM_S390_CPU_MF_H
#define _ASM_S390_CPU_MF_H
+#include <linux/errno.h>
#include <asm/facility.h>
#define CPU_MF_INT_SF_IAE (1 << 31) /* invalid entry address */
diff --git a/arch/s390/include/asm/eadm.h b/arch/s390/include/asm/eadm.h
index 8d4847191ecc..dc9200ca32ed 100644
--- a/arch/s390/include/asm/eadm.h
+++ b/arch/s390/include/asm/eadm.h
@@ -34,6 +34,8 @@ struct arsb {
u32 reserved[4];
} __packed;
+#define EQC_WR_PROHIBIT 22
+
struct msb {
u8 fmt:4;
u8 oc:4;
@@ -96,11 +98,13 @@ struct scm_device {
#define OP_STATE_TEMP_ERR 2
#define OP_STATE_PERM_ERR 3
+enum scm_event {SCM_CHANGE, SCM_AVAIL};
+
struct scm_driver {
struct device_driver drv;
int (*probe) (struct scm_device *scmdev);
int (*remove) (struct scm_device *scmdev);
- void (*notify) (struct scm_device *scmdev);
+ void (*notify) (struct scm_device *scmdev, enum scm_event event);
void (*handler) (struct scm_device *scmdev, void *data, int error);
};
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 1bfdf24b85a2..78f4f8711d58 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -119,6 +119,8 @@
*/
#include <asm/ptrace.h>
+#include <asm/compat.h>
+#include <asm/syscall.h>
#include <asm/user.h>
typedef s390_fp_regs elf_fpregset_t;
@@ -180,18 +182,31 @@ extern unsigned long elf_hwcap;
extern char elf_platform[];
#define ELF_PLATFORM (elf_platform)
-#ifdef CONFIG_64BIT
+#ifndef CONFIG_COMPAT
+#define SET_PERSONALITY(ex) \
+do { \
+ set_personality(PER_LINUX | \
+ (current->personality & (~PER_MASK))); \
+ current_thread_info()->sys_call_table = \
+ (unsigned long) &sys_call_table; \
+} while (0)
+#else /* CONFIG_COMPAT */
#define SET_PERSONALITY(ex) \
do { \
if (personality(current->personality) != PER_LINUX32) \
set_personality(PER_LINUX | \
(current->personality & ~PER_MASK)); \
- if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \
+ if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \
set_thread_flag(TIF_31BIT); \
- else \
+ current_thread_info()->sys_call_table = \
+ (unsigned long) &sys_call_table_emu; \
+ } else { \
clear_thread_flag(TIF_31BIT); \
+ current_thread_info()->sys_call_table = \
+ (unsigned long) &sys_call_table; \
+ } \
} while (0)
-#endif /* CONFIG_64BIT */
+#endif /* CONFIG_COMPAT */
#define STACK_RND_MASK 0x7ffUL
diff --git a/arch/s390/include/asm/hugetlb.h b/arch/s390/include/asm/hugetlb.h
index 593753ee07f3..bd90359d6d22 100644
--- a/arch/s390/include/asm/hugetlb.h
+++ b/arch/s390/include/asm/hugetlb.h
@@ -114,7 +114,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
#define huge_ptep_set_wrprotect(__mm, __addr, __ptep) \
({ \
pte_t __pte = huge_ptep_get(__ptep); \
- if (pte_write(__pte)) { \
+ if (huge_pte_write(__pte)) { \
huge_ptep_invalidate(__mm, __addr, __ptep); \
set_huge_pte_at(__mm, __addr, __ptep, \
huge_pte_wrprotect(__pte)); \
@@ -127,4 +127,58 @@ static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
huge_ptep_invalidate(vma->vm_mm, address, ptep);
}
+static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot)
+{
+ pte_t pte;
+ pmd_t pmd;
+
+ pmd = mk_pmd_phys(page_to_phys(page), pgprot);
+ pte_val(pte) = pmd_val(pmd);
+ return pte;
+}
+
+static inline int huge_pte_write(pte_t pte)
+{
+ pmd_t pmd;
+
+ pmd_val(pmd) = pte_val(pte);
+ return pmd_write(pmd);
+}
+
+static inline int huge_pte_dirty(pte_t pte)
+{
+ /* No dirty bit in the segment table entry. */
+ return 0;
+}
+
+static inline pte_t huge_pte_mkwrite(pte_t pte)
+{
+ pmd_t pmd;
+
+ pmd_val(pmd) = pte_val(pte);
+ pte_val(pte) = pmd_val(pmd_mkwrite(pmd));
+ return pte;
+}
+
+static inline pte_t huge_pte_mkdirty(pte_t pte)
+{
+ /* No dirty bit in the segment table entry. */
+ return pte;
+}
+
+static inline pte_t huge_pte_modify(pte_t pte, pgprot_t newprot)
+{
+ pmd_t pmd;
+
+ pmd_val(pmd) = pte_val(pte);
+ pte_val(pte) = pmd_val(pmd_modify(pmd, newprot));
+ return pte;
+}
+
+static inline void huge_pte_clear(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep)
+{
+ pmd_clear((pmd_t *) ptep);
+}
+
#endif /* _ASM_S390_HUGETLB_H */
diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
index 27cb32185ce1..379d96e2105e 100644
--- a/arch/s390/include/asm/io.h
+++ b/arch/s390/include/asm/io.h
@@ -50,10 +50,6 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr);
#define ioremap_nocache(addr, size) ioremap(addr, size)
#define ioremap_wc ioremap_nocache
-/* TODO: s390 cannot support io_remap_pfn_range... */
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
- remap_pfn_range(vma, vaddr, pfn, size, prot)
-
static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
{
return (void __iomem *) offset;
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 05333b7f0469..6c1801235db9 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -140,6 +140,7 @@ static inline bool zdev_enabled(struct zpci_dev *zdev)
struct zpci_dev *zpci_alloc_device(void);
int zpci_create_device(struct zpci_dev *);
int zpci_enable_device(struct zpci_dev *);
+int zpci_disable_device(struct zpci_dev *);
void zpci_stop_device(struct zpci_dev *);
void zpci_free_device(struct zpci_dev *);
int zpci_scan_device(struct zpci_dev *);
diff --git a/arch/s390/include/asm/pci_debug.h b/arch/s390/include/asm/pci_debug.h
index 6bbec4265b6e..1ca5d1047c71 100644
--- a/arch/s390/include/asm/pci_debug.h
+++ b/arch/s390/include/asm/pci_debug.h
@@ -7,14 +7,11 @@ extern debug_info_t *pci_debug_msg_id;
extern debug_info_t *pci_debug_err_id;
#ifdef CONFIG_PCI_DEBUG
-#define zpci_dbg(fmt, args...) \
- do { \
- if (pci_debug_msg_id->level >= 2) \
- debug_sprintf_event(pci_debug_msg_id, 2, fmt , ## args);\
- } while (0)
+#define zpci_dbg(imp, fmt, args...) \
+ debug_sprintf_event(pci_debug_msg_id, imp, fmt, ##args)
#else /* !CONFIG_PCI_DEBUG */
-#define zpci_dbg(fmt, args...) do { } while (0)
+#define zpci_dbg(imp, fmt, args...) do { } while (0)
#endif
#define zpci_err(text...) \
diff --git a/arch/s390/include/asm/pci_insn.h b/arch/s390/include/asm/pci_insn.h
index 1486a98d5dad..e6a2bdd4d705 100644
--- a/arch/s390/include/asm/pci_insn.h
+++ b/arch/s390/include/asm/pci_insn.h
@@ -1,10 +1,6 @@
#ifndef _ASM_S390_PCI_INSN_H
#define _ASM_S390_PCI_INSN_H
-#include <linux/delay.h>
-
-#define ZPCI_INSN_BUSY_DELAY 1 /* 1 microsecond */
-
/* Load/Store status codes */
#define ZPCI_PCI_ST_FUNC_NOT_ENABLED 4
#define ZPCI_PCI_ST_FUNC_IN_ERR 8
@@ -82,199 +78,12 @@ struct zpci_fib {
u64 reserved7;
} __packed;
-/* Modify PCI Function Controls */
-static inline u8 __mpcifc(u64 req, struct zpci_fib *fib, u8 *status)
-{
- u8 cc;
-
- asm volatile (
- " .insn rxy,0xe300000000d0,%[req],%[fib]\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
- : [cc] "=d" (cc), [req] "+d" (req), [fib] "+Q" (*fib)
- : : "cc");
- *status = req >> 24 & 0xff;
- return cc;
-}
-
-static inline int mpcifc_instr(u64 req, struct zpci_fib *fib)
-{
- u8 cc, status;
-
- do {
- cc = __mpcifc(req, fib, &status);
- if (cc == 2)
- msleep(ZPCI_INSN_BUSY_DELAY);
- } while (cc == 2);
-
- if (cc)
- printk_once(KERN_ERR "%s: error cc: %d status: %d\n",
- __func__, cc, status);
- return (cc) ? -EIO : 0;
-}
-
-/* Refresh PCI Translations */
-static inline u8 __rpcit(u64 fn, u64 addr, u64 range, u8 *status)
-{
- register u64 __addr asm("2") = addr;
- register u64 __range asm("3") = range;
- u8 cc;
-
- asm volatile (
- " .insn rre,0xb9d30000,%[fn],%[addr]\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
- : [cc] "=d" (cc), [fn] "+d" (fn)
- : [addr] "d" (__addr), "d" (__range)
- : "cc");
- *status = fn >> 24 & 0xff;
- return cc;
-}
-
-static inline int rpcit_instr(u64 fn, u64 addr, u64 range)
-{
- u8 cc, status;
-
- do {
- cc = __rpcit(fn, addr, range, &status);
- if (cc == 2)
- udelay(ZPCI_INSN_BUSY_DELAY);
- } while (cc == 2);
-
- if (cc)
- printk_once(KERN_ERR "%s: error cc: %d status: %d dma_addr: %Lx size: %Lx\n",
- __func__, cc, status, addr, range);
- return (cc) ? -EIO : 0;
-}
-
-/* Store PCI function controls */
-static inline u8 __stpcifc(u32 handle, u8 space, struct zpci_fib *fib, u8 *status)
-{
- u64 fn = (u64) handle << 32 | space << 16;
- u8 cc;
-
- asm volatile (
- " .insn rxy,0xe300000000d4,%[fn],%[fib]\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
- : [cc] "=d" (cc), [fn] "+d" (fn), [fib] "=m" (*fib)
- : : "cc");
- *status = fn >> 24 & 0xff;
- return cc;
-}
-
-/* Set Interruption Controls */
-static inline void sic_instr(u16 ctl, char *unused, u8 isc)
-{
- asm volatile (
- " .insn rsy,0xeb00000000d1,%[ctl],%[isc],%[u]\n"
- : : [ctl] "d" (ctl), [isc] "d" (isc << 27), [u] "Q" (*unused));
-}
-
-/* PCI Load */
-static inline u8 __pcilg(u64 *data, u64 req, u64 offset, u8 *status)
-{
- register u64 __req asm("2") = req;
- register u64 __offset asm("3") = offset;
- u64 __data;
- u8 cc;
-
- asm volatile (
- " .insn rre,0xb9d20000,%[data],%[req]\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
- : [cc] "=d" (cc), [data] "=d" (__data), [req] "+d" (__req)
- : "d" (__offset)
- : "cc");
- *status = __req >> 24 & 0xff;
- *data = __data;
- return cc;
-}
-
-static inline int pcilg_instr(u64 *data, u64 req, u64 offset)
-{
- u8 cc, status;
-
- do {
- cc = __pcilg(data, req, offset, &status);
- if (cc == 2)
- udelay(ZPCI_INSN_BUSY_DELAY);
- } while (cc == 2);
-
- if (cc) {
- printk_once(KERN_ERR "%s: error cc: %d status: %d req: %Lx offset: %Lx\n",
- __func__, cc, status, req, offset);
- /* TODO: on IO errors set data to 0xff...
- * here or in users of pcilg (le conversion)?
- */
- }
- return (cc) ? -EIO : 0;
-}
-
-/* PCI Store */
-static inline u8 __pcistg(u64 data, u64 req, u64 offset, u8 *status)
-{
- register u64 __req asm("2") = req;
- register u64 __offset asm("3") = offset;
- u8 cc;
-
- asm volatile (
- " .insn rre,0xb9d00000,%[data],%[req]\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
- : [cc] "=d" (cc), [req] "+d" (__req)
- : "d" (__offset), [data] "d" (data)
- : "cc");
- *status = __req >> 24 & 0xff;
- return cc;
-}
-
-static inline int pcistg_instr(u64 data, u64 req, u64 offset)
-{
- u8 cc, status;
-
- do {
- cc = __pcistg(data, req, offset, &status);
- if (cc == 2)
- udelay(ZPCI_INSN_BUSY_DELAY);
- } while (cc == 2);
-
- if (cc)
- printk_once(KERN_ERR "%s: error cc: %d status: %d req: %Lx offset: %Lx\n",
- __func__, cc, status, req, offset);
- return (cc) ? -EIO : 0;
-}
-
-/* PCI Store Block */
-static inline u8 __pcistb(const u64 *data, u64 req, u64 offset, u8 *status)
-{
- u8 cc;
-
- asm volatile (
- " .insn rsy,0xeb00000000d0,%[req],%[offset],%[data]\n"
- " ipm %[cc]\n"
- " srl %[cc],28\n"
- : [cc] "=d" (cc), [req] "+d" (req)
- : [offset] "d" (offset), [data] "Q" (*data)
- : "cc");
- *status = req >> 24 & 0xff;
- return cc;
-}
-
-static inline int pcistb_instr(const u64 *data, u64 req, u64 offset)
-{
- u8 cc, status;
-
- do {
- cc = __pcistb(data, req, offset, &status);
- if (cc == 2)
- udelay(ZPCI_INSN_BUSY_DELAY);
- } while (cc == 2);
- if (cc)
- printk_once(KERN_ERR "%s: error cc: %d status: %d req: %Lx offset: %Lx\n",
- __func__, cc, status, req, offset);
- return (cc) ? -EIO : 0;
-}
+int s390pci_mod_fc(u64 req, struct zpci_fib *fib);
+int s390pci_refresh_trans(u64 fn, u64 addr, u64 range);
+int s390pci_load(u64 *data, u64 req, u64 offset);
+int s390pci_store(u64 data, u64 req, u64 offset);
+int s390pci_store_block(const u64 *data, u64 req, u64 offset);
+void set_irq_ctrl(u16 ctl, char *unused, u8 isc);
#endif
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h
index 5fd81f31d6c7..83a9caa6ae53 100644
--- a/arch/s390/include/asm/pci_io.h
+++ b/arch/s390/include/asm/pci_io.h
@@ -36,7 +36,7 @@ static inline RETTYPE zpci_read_##RETTYPE(const volatile void __iomem *addr) \
u64 data; \
int rc; \
\
- rc = pcilg_instr(&data, req, ZPCI_OFFSET(addr)); \
+ rc = s390pci_load(&data, req, ZPCI_OFFSET(addr)); \
if (rc) \
data = -1ULL; \
return (RETTYPE) data; \
@@ -50,7 +50,7 @@ static inline void zpci_write_##VALTYPE(VALTYPE val, \
u64 req = ZPCI_CREATE_REQ(entry->fh, entry->bar, LENGTH); \
u64 data = (VALTYPE) val; \
\
- pcistg_instr(data, req, ZPCI_OFFSET(addr)); \
+ s390pci_store(data, req, ZPCI_OFFSET(addr)); \
}
zpci_read(8, u64)
@@ -83,15 +83,18 @@ static inline int zpci_write_single(u64 req, const u64 *data, u64 offset, u8 len
val = 0; /* let FW report error */
break;
}
- return pcistg_instr(val, req, offset);
+ return s390pci_store(val, req, offset);
}
static inline int zpci_read_single(u64 req, u64 *dst, u64 offset, u8 len)
{
u64 data;
- u8 cc;
+ int cc;
+
+ cc = s390pci_load(&data, req, offset);
+ if (cc)
+ goto out;
- cc = pcilg_instr(&data, req, offset);
switch (len) {
case 1:
*((u8 *) dst) = (u8) data;
@@ -106,12 +109,13 @@ static inline int zpci_read_single(u64 req, u64 *dst, u64 offset, u8 len)
*((u64 *) dst) = (u64) data;
break;
}
+out:
return cc;
}
static inline int zpci_write_block(u64 req, const u64 *data, u64 offset)
{
- return pcistb_instr(data, req, offset);
+ return s390pci_store_block(data, req, offset);
}
static inline u8 zpci_get_max_write_size(u64 src, u64 dst, int len, int max)
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 4a2930844d43..b4622915bd15 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -57,6 +57,10 @@ extern unsigned long zero_page_mask;
(((unsigned long)(vaddr)) &zero_page_mask))))
#define __HAVE_COLOR_ZERO_PAGE
+/* TODO: s390 cannot support io_remap_pfn_range... */
+#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
+ remap_pfn_range(vma, vaddr, pfn, size, prot)
+
#endif /* !__ASSEMBLY__ */
/*
@@ -344,6 +348,7 @@ extern unsigned long MODULES_END;
#define _REGION3_ENTRY_CO 0x100 /* change-recording override */
/* Bits in the segment table entry */
+#define _SEGMENT_ENTRY_ORIGIN_LARGE ~0xfffffUL /* large page address */
#define _SEGMENT_ENTRY_ORIGIN ~0x7ffUL/* segment table origin */
#define _SEGMENT_ENTRY_RO 0x200 /* page protection bit */
#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */
@@ -419,6 +424,13 @@ extern unsigned long MODULES_END;
#define __S110 PAGE_RW
#define __S111 PAGE_RW
+/*
+ * Segment entry (large page) protection definitions.
+ */
+#define SEGMENT_NONE __pgprot(_HPAGE_TYPE_NONE)
+#define SEGMENT_RO __pgprot(_HPAGE_TYPE_RO)
+#define SEGMENT_RW __pgprot(_HPAGE_TYPE_RW)
+
static inline int mm_exclusive(struct mm_struct *mm)
{
return likely(mm == current->active_mm &&
@@ -759,6 +771,8 @@ void gmap_disable(struct gmap *gmap);
int gmap_map_segment(struct gmap *gmap, unsigned long from,
unsigned long to, unsigned long length);
int gmap_unmap_segment(struct gmap *gmap, unsigned long to, unsigned long len);
+unsigned long __gmap_translate(unsigned long address, struct gmap *);
+unsigned long gmap_translate(unsigned long address, struct gmap *);
unsigned long __gmap_fault(unsigned long address, struct gmap *);
unsigned long gmap_fault(unsigned long address, struct gmap *);
void gmap_discard(unsigned long from, unsigned long to, struct gmap *);
@@ -907,26 +921,6 @@ static inline pte_t pte_mkspecial(pte_t pte)
#ifdef CONFIG_HUGETLB_PAGE
static inline pte_t pte_mkhuge(pte_t pte)
{
- /*
- * PROT_NONE needs to be remapped from the pte type to the ste type.
- * The HW invalid bit is also different for pte and ste. The pte
- * invalid bit happens to be the same as the ste _SEGMENT_ENTRY_LARGE
- * bit, so we don't have to clear it.
- */
- if (pte_val(pte) & _PAGE_INVALID) {
- if (pte_val(pte) & _PAGE_SWT)
- pte_val(pte) |= _HPAGE_TYPE_NONE;
- pte_val(pte) |= _SEGMENT_ENTRY_INV;
- }
- /*
- * Clear SW pte bits, there are no SW bits in a segment table entry.
- */
- pte_val(pte) &= ~(_PAGE_SWT | _PAGE_SWX | _PAGE_SWC |
- _PAGE_SWR | _PAGE_SWW);
- /*
- * Also set the change-override bit because we don't need dirty bit
- * tracking for hugetlbfs pages.
- */
pte_val(pte) |= (_SEGMENT_ENTRY_LARGE | _SEGMENT_ENTRY_CO);
return pte;
}
@@ -1271,31 +1265,7 @@ static inline void __pmd_idte(unsigned long address, pmd_t *pmdp)
}
}
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-
-#define SEGMENT_NONE __pgprot(_HPAGE_TYPE_NONE)
-#define SEGMENT_RO __pgprot(_HPAGE_TYPE_RO)
-#define SEGMENT_RW __pgprot(_HPAGE_TYPE_RW)
-
-#define __HAVE_ARCH_PGTABLE_DEPOSIT
-extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable);
-
-#define __HAVE_ARCH_PGTABLE_WITHDRAW
-extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm);
-
-static inline int pmd_trans_splitting(pmd_t pmd)
-{
- return 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)
-{
- if (!(pmd_val(entry) & _SEGMENT_ENTRY_INV) && MACHINE_HAS_EDAT1)
- pmd_val(entry) |= _SEGMENT_ENTRY_CO;
- *pmdp = entry;
-}
-
+#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLB_PAGE)
static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot)
{
/*
@@ -1316,10 +1286,11 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
return pmd;
}
-static inline pmd_t pmd_mkhuge(pmd_t pmd)
+static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
{
- pmd_val(pmd) |= _SEGMENT_ENTRY_LARGE;
- return pmd;
+ pmd_t __pmd;
+ pmd_val(__pmd) = physpage + massage_pgprot_pmd(pgprot);
+ return __pmd;
}
static inline pmd_t pmd_mkwrite(pmd_t pmd)
@@ -1329,6 +1300,34 @@ static inline pmd_t pmd_mkwrite(pmd_t pmd)
pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO;
return pmd;
}
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLB_PAGE */
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+
+#define __HAVE_ARCH_PGTABLE_DEPOSIT
+extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable);
+
+#define __HAVE_ARCH_PGTABLE_WITHDRAW
+extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm);
+
+static inline int pmd_trans_splitting(pmd_t pmd)
+{
+ return 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)
+{
+ if (!(pmd_val(entry) & _SEGMENT_ENTRY_INV) && MACHINE_HAS_EDAT1)
+ pmd_val(entry) |= _SEGMENT_ENTRY_CO;
+ *pmdp = entry;
+}
+
+static inline pmd_t pmd_mkhuge(pmd_t pmd)
+{
+ pmd_val(pmd) |= _SEGMENT_ENTRY_LARGE;
+ return pmd;
+}
static inline pmd_t pmd_wrprotect(pmd_t pmd)
{
@@ -1425,13 +1424,6 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm,
}
}
-static inline pmd_t mk_pmd_phys(unsigned long physpage, pgprot_t pgprot)
-{
- pmd_t __pmd;
- pmd_val(__pmd) = physpage + massage_pgprot_pmd(pgprot);
- return __pmd;
-}
-
#define pfn_pmd(pfn, pgprot) mk_pmd_phys(__pa((pfn) << PAGE_SHIFT), (pgprot))
#define mk_pmd(page, pgprot) pfn_pmd(page_to_pfn(page), (pgprot))
@@ -1531,7 +1523,8 @@ extern int s390_enable_sie(void);
/*
* No page table caches to initialise
*/
-#define pgtable_cache_init() do { } while (0)
+static inline void pgtable_cache_init(void) { }
+static inline void check_pgt_cache(void) { }
#include <asm-generic/pgtable.h>
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 94e749c90230..6b499870662f 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -161,7 +161,8 @@ extern unsigned long thread_saved_pc(struct task_struct *t);
extern void show_code(struct pt_regs *regs);
extern void print_fn_code(unsigned char *code, unsigned long len);
-extern int insn_to_mnemonic(unsigned char *instruction, char buf[8]);
+extern int insn_to_mnemonic(unsigned char *instruction, char *buf,
+ unsigned int len);
unsigned long get_wchan(struct task_struct *p);
#define task_pt_regs(tsk) ((struct pt_regs *) \
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index 3ee5da3bc10c..559512a455da 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -9,9 +9,7 @@
#include <uapi/asm/ptrace.h>
#ifndef __ASSEMBLY__
-#ifndef __s390x__
-#else /* __s390x__ */
-#endif /* __s390x__ */
+
extern long psw_kernel_bits;
extern long psw_user_bits;
@@ -77,8 +75,6 @@ struct per_struct_kernel {
#define PER_CONTROL_SUSPENSION 0x00400000UL
#define PER_CONTROL_ALTERATION 0x00200000UL
-#ifdef __s390x__
-#endif /* __s390x__ */
/*
* These are defined as per linux/ptrace.h, which see.
*/
diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h
index fe7b99759e12..cd29d2f4e4f3 100644
--- a/arch/s390/include/asm/syscall.h
+++ b/arch/s390/include/asm/syscall.h
@@ -23,6 +23,7 @@
* type here is what we want [need] for both 32 bit and 64 bit systems.
*/
extern const unsigned int sys_call_table[];
+extern const unsigned int sys_call_table_emu[];
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 9e2cfe0349c3..eb5f64d26d06 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -14,13 +14,8 @@
#define THREAD_ORDER 1
#define ASYNC_ORDER 1
#else /* CONFIG_64BIT */
-#ifndef __SMALL_STACK
#define THREAD_ORDER 2
#define ASYNC_ORDER 2
-#else
-#define THREAD_ORDER 1
-#define ASYNC_ORDER 1
-#endif
#endif /* CONFIG_64BIT */
#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER)
@@ -41,6 +36,7 @@ struct thread_info {
struct task_struct *task; /* main task structure */
struct exec_domain *exec_domain; /* execution domain */
unsigned long flags; /* low level flags */
+ unsigned long sys_call_table; /* System call table address */
unsigned int cpu; /* current CPU */
int preempt_count; /* 0 => preemptable, <0 => BUG */
struct restart_block restart_block;
diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
index 1d8fe2b17ef6..6b32af30878c 100644
--- a/arch/s390/include/asm/tlbflush.h
+++ b/arch/s390/include/asm/tlbflush.h
@@ -74,8 +74,6 @@ static inline void __tlb_flush_idte(unsigned long asce)
static inline void __tlb_flush_mm(struct mm_struct * mm)
{
- if (unlikely(cpumask_empty(mm_cpumask(mm))))
- return;
/*
* If the machine has IDTE we prefer to do a per mm flush
* on all cpus instead of doing a local flush if the mm
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-28 07:50:54 +0300