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-rw-r--r--arch/s390/kernel/Makefile1
-rw-r--r--arch/s390/kernel/compat_linux.c78
-rw-r--r--arch/s390/kernel/compat_linux.h4
-rw-r--r--arch/s390/kernel/debug.c3
-rw-r--r--arch/s390/kernel/head64.S3
-rw-r--r--arch/s390/kernel/ipl.c6
-rw-r--r--arch/s390/kernel/process.c3
-rw-r--r--arch/s390/kernel/ptrace.c10
-rw-r--r--arch/s390/kernel/s390_ext.c2
-rw-r--r--arch/s390/kernel/setup.c44
-rw-r--r--arch/s390/kernel/signal.c10
-rw-r--r--arch/s390/kernel/smp.c9
-rw-r--r--arch/s390/kernel/sys_s390.c30
-rw-r--r--arch/s390/kernel/time.c7
-rw-r--r--arch/s390/kernel/topology.c2
-rw-r--r--arch/s390/kernel/traps.c6
-rw-r--r--arch/s390/kernel/vdso.c9
-rw-r--r--arch/s390/kernel/vtime.c2
18 files changed, 84 insertions, 145 deletions
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index c7be8e10b87..683f6381cc5 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_FUNCTION_TRACER) += $(if $(CONFIG_64BIT),mcount64.o,mcount.o)
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
+obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
# Kexec part
S390_KEXEC_OBJS := machine_kexec.o crash.o
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index fda1a8123f9..11c3aba664e 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -31,14 +31,8 @@
#include <linux/shm.h>
#include <linux/slab.h>
#include <linux/uio.h>
-#include <linux/nfs_fs.h>
#include <linux/quota.h>
#include <linux/module.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/cache.h>
-#include <linux/nfsd/xdr.h>
-#include <linux/nfsd/syscall.h>
#include <linux/poll.h>
#include <linux/personality.h>
#include <linux/stat.h>
@@ -622,75 +616,35 @@ asmlinkage long sys32_fstatat64(unsigned int dfd, char __user *filename,
*/
struct mmap_arg_struct_emu31 {
- u32 addr;
- u32 len;
- u32 prot;
- u32 flags;
- u32 fd;
- u32 offset;
+ compat_ulong_t addr;
+ compat_ulong_t len;
+ compat_ulong_t prot;
+ compat_ulong_t flags;
+ compat_ulong_t fd;
+ compat_ulong_t offset;
};
-/* common code for old and new mmaps */
-static inline long do_mmap2(
- unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
-{
- struct file * file = NULL;
- unsigned long error = -EBADF;
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
-
- down_write(&current->mm->mmap_sem);
- error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- if (!IS_ERR((void *) error) && error + len >= 0x80000000ULL) {
- /* Result is out of bounds. */
- do_munmap(current->mm, addr, len);
- error = -ENOMEM;
- }
- up_write(&current->mm->mmap_sem);
-
- if (file)
- fput(file);
-out:
- return error;
-}
-
-
-asmlinkage unsigned long
-old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
+asmlinkage unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
{
struct mmap_arg_struct_emu31 a;
- int error = -EFAULT;
if (copy_from_user(&a, arg, sizeof(a)))
- goto out;
-
- error = -EINVAL;
+ return -EFAULT;
if (a.offset & ~PAGE_MASK)
- goto out;
-
- error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
- return error;
+ return -EINVAL;
+ a.addr = (unsigned long) compat_ptr(a.addr);
+ return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
+ a.offset >> PAGE_SHIFT);
}
-asmlinkage long
-sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
+asmlinkage long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
{
struct mmap_arg_struct_emu31 a;
- int error = -EFAULT;
if (copy_from_user(&a, arg, sizeof(a)))
- goto out;
- error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
-out:
- return error;
+ return -EFAULT;
+ a.addr = (unsigned long) compat_ptr(a.addr);
+ return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
}
asmlinkage long sys32_read(unsigned int fd, char __user * buf, size_t count)
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index 45e9092b3aa..cb97afc85c9 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -4,10 +4,6 @@
#include <linux/compat.h>
#include <linux/socket.h>
#include <linux/syscalls.h>
-#include <linux/nfs_fs.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/export.h>
/* Macro that masks the high order bit of an 32 bit pointer and converts it*/
/* to a 64 bit pointer */
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 071c81f179e..0168472b2fd 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -18,6 +18,7 @@
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/ctype.h>
+#include <linux/string.h>
#include <linux/sysctl.h>
#include <asm/uaccess.h>
#include <linux/module.h>
@@ -1178,7 +1179,7 @@ debug_get_uint(char *buf)
{
int rc;
- for(; isspace(*buf); buf++);
+ buf = skip_spaces(buf);
rc = simple_strtoul(buf, &buf, 10);
if(*buf){
rc = -EINVAL;
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 6a250808092..d984a2a380c 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -83,6 +83,8 @@ startup_continue:
slr %r0,%r0 # set cpuid to zero
sigp %r1,%r0,0x12 # switch to esame mode
sam64 # switch to 64 bit mode
+ llgfr %r13,%r13 # clear high-order half of base reg
+ lmh %r0,%r15,.Lzero64-.LPG1(%r13) # clear high-order half
lctlg %c0,%c15,.Lctl-.LPG1(%r13) # load control registers
lg %r12,.Lparmaddr-.LPG1(%r13) # pointer to parameter area
# move IPL device to lowcore
@@ -127,6 +129,7 @@ startup_continue:
.L4malign:.quad 0xffffffffffc00000
.Lscan2g:.quad 0x80000000 + 0x20000 - 8 # 2GB + 128K - 8
.Lnop: .long 0x07000700
+.Lzero64:.fill 16,4,0x0
#ifdef CONFIG_ZFCPDUMP
.Lcurrent_cpu:
.long 0x0
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 4890ac6d7fa..4d73296fed7 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -221,7 +221,7 @@ static ssize_t sys_##_prefix##_##_name##_store(struct kobject *kobj, \
const char *buf, size_t len) \
{ \
strncpy(_value, buf, sizeof(_value) - 1); \
- strstrip(_value); \
+ strim(_value); \
return len; \
} \
static struct kobj_attribute sys_##_prefix##_##_name##_attr = \
@@ -472,7 +472,7 @@ static ssize_t ipl_ccw_loadparm_show(struct kobject *kobj,
return sprintf(page, "#unknown#\n");
memcpy(loadparm, &sclp_ipl_info.loadparm, LOADPARM_LEN);
EBCASC(loadparm, LOADPARM_LEN);
- strstrip(loadparm);
+ strim(loadparm);
return sprintf(page, "%s\n", loadparm);
}
@@ -776,7 +776,7 @@ static void reipl_get_ascii_loadparm(char *loadparm,
memcpy(loadparm, ibp->ipl_info.ccw.load_parm, LOADPARM_LEN);
EBCASC(loadparm, LOADPARM_LEN);
loadparm[LOADPARM_LEN] = 0;
- strstrip(loadparm);
+ strim(loadparm);
}
static ssize_t reipl_generic_loadparm_show(struct ipl_parameter_block *ipb,
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 5417eb57271..00b6d1d292f 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -153,8 +153,6 @@ void exit_thread(void)
void flush_thread(void)
{
- clear_used_math();
- clear_tsk_thread_flag(current, TIF_USEDFPU);
}
void release_thread(struct task_struct *dead_task)
@@ -217,6 +215,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
p->thread.mm_segment = get_fs();
/* Don't copy debug registers */
memset(&p->thread.per_info, 0, sizeof(p->thread.per_info));
+ clear_tsk_thread_flag(p, TIF_SINGLE_STEP);
/* Initialize per thread user and system timer values */
ti = task_thread_info(p);
ti->user_timer = 0;
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 653c6a17874..7cf46423441 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -65,6 +65,7 @@ FixPerRegisters(struct task_struct *task)
{
struct pt_regs *regs;
per_struct *per_info;
+ per_cr_words cr_words;
regs = task_pt_regs(task);
per_info = (per_struct *) &task->thread.per_info;
@@ -98,6 +99,13 @@ FixPerRegisters(struct task_struct *task)
per_info->control_regs.bits.storage_alt_space_ctl = 1;
else
per_info->control_regs.bits.storage_alt_space_ctl = 0;
+
+ if (task == current) {
+ __ctl_store(cr_words, 9, 11);
+ if (memcmp(&cr_words, &per_info->control_regs.words,
+ sizeof(cr_words)) != 0)
+ __ctl_load(per_info->control_regs.words, 9, 11);
+ }
}
void user_enable_single_step(struct task_struct *task)
@@ -959,7 +967,7 @@ static const struct user_regset s390_compat_regsets[] = {
.set = s390_fpregs_set,
},
[REGSET_GENERAL_EXTENDED] = {
- .core_note_type = NT_PRXSTATUS,
+ .core_note_type = NT_S390_HIGH_GPRS,
.n = sizeof(s390_compat_regs_high) / sizeof(compat_long_t),
.size = sizeof(compat_long_t),
.align = sizeof(compat_long_t),
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index 0de305b598c..59618bcd99b 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -126,6 +126,8 @@ void __irq_entry do_extint(struct pt_regs *regs, unsigned short code)
/* Serve timer interrupts first. */
clock_comparator_work();
kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
+ if (code != 0x1004)
+ __get_cpu_var(s390_idle).nohz_delay = 1;
index = ext_hash(code);
for (p = ext_int_hash[index]; p; p = p->next) {
if (likely(p->code == code))
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 061479ff029..8d8957b38ab 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -87,7 +87,6 @@ unsigned long elf_hwcap = 0;
char elf_platform[ELF_PLATFORM_SIZE];
struct mem_chunk __initdata memory_chunk[MEMORY_CHUNKS];
-volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
int __initdata memory_end_set;
unsigned long __initdata memory_end;
@@ -124,12 +123,6 @@ void __cpuinit cpu_init(void)
*/
get_cpu_id(&S390_lowcore.cpu_id);
- /*
- * Force FPU initialization:
- */
- clear_thread_flag(TIF_USEDFPU);
- clear_used_math();
-
atomic_inc(&init_mm.mm_count);
current->active_mm = &init_mm;
BUG_ON(current->mm);
@@ -305,9 +298,8 @@ static int __init early_parse_mem(char *p)
}
early_param("mem", early_parse_mem);
-#ifdef CONFIG_S390_SWITCH_AMODE
-unsigned int switch_amode = 0;
-EXPORT_SYMBOL_GPL(switch_amode);
+unsigned int user_mode = HOME_SPACE_MODE;
+EXPORT_SYMBOL_GPL(user_mode);
static int set_amode_and_uaccess(unsigned long user_amode,
unsigned long user32_amode)
@@ -340,23 +332,29 @@ static int set_amode_and_uaccess(unsigned long user_amode,
*/
static int __init early_parse_switch_amode(char *p)
{
- switch_amode = 1;
+ if (user_mode != SECONDARY_SPACE_MODE)
+ user_mode = PRIMARY_SPACE_MODE;
return 0;
}
early_param("switch_amode", early_parse_switch_amode);
-#else /* CONFIG_S390_SWITCH_AMODE */
-static inline int set_amode_and_uaccess(unsigned long user_amode,
- unsigned long user32_amode)
+static int __init early_parse_user_mode(char *p)
{
+ if (p && strcmp(p, "primary") == 0)
+ user_mode = PRIMARY_SPACE_MODE;
+#ifdef CONFIG_S390_EXEC_PROTECT
+ else if (p && strcmp(p, "secondary") == 0)
+ user_mode = SECONDARY_SPACE_MODE;
+#endif
+ else if (!p || strcmp(p, "home") == 0)
+ user_mode = HOME_SPACE_MODE;
+ else
+ return 1;
return 0;
}
-#endif /* CONFIG_S390_SWITCH_AMODE */
+early_param("user_mode", early_parse_user_mode);
#ifdef CONFIG_S390_EXEC_PROTECT
-unsigned int s390_noexec = 0;
-EXPORT_SYMBOL_GPL(s390_noexec);
-
/*
* Enable execute protection?
*/
@@ -364,8 +362,7 @@ static int __init early_parse_noexec(char *p)
{
if (!strncmp(p, "off", 3))
return 0;
- switch_amode = 1;
- s390_noexec = 1;
+ user_mode = SECONDARY_SPACE_MODE;
return 0;
}
early_param("noexec", early_parse_noexec);
@@ -373,7 +370,7 @@ early_param("noexec", early_parse_noexec);
static void setup_addressing_mode(void)
{
- if (s390_noexec) {
+ if (user_mode == SECONDARY_SPACE_MODE) {
if (set_amode_and_uaccess(PSW_ASC_SECONDARY,
PSW32_ASC_SECONDARY))
pr_info("Execute protection active, "
@@ -381,7 +378,7 @@ static void setup_addressing_mode(void)
else
pr_info("Execute protection active, "
"mvcos not available\n");
- } else if (switch_amode) {
+ } else if (user_mode == PRIMARY_SPACE_MODE) {
if (set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY))
pr_info("Address spaces switched, "
"mvcos available\n");
@@ -411,7 +408,7 @@ setup_lowcore(void)
lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY;
lc->restart_psw.addr =
PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
- if (switch_amode)
+ if (user_mode != HOME_SPACE_MODE)
lc->restart_psw.mask |= PSW_ASC_HOME;
lc->external_new_psw.mask = psw_kernel_bits;
lc->external_new_psw.addr =
@@ -851,7 +848,6 @@ setup_arch(char **cmdline_p)
setup_lowcore();
cpu_init();
- __cpu_logical_map[0] = stap();
s390_init_cpu_topology();
/*
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 6b4fef877f9..1675c48b914 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -500,18 +500,10 @@ void do_signal(struct pt_regs *regs)
clear_thread_flag(TIF_RESTORE_SIGMASK);
/*
- * If we would have taken a single-step trap
- * for a normal instruction, act like we took
- * one for the handler setup.
- */
- if (current->thread.per_info.single_step)
- set_thread_flag(TIF_SINGLE_STEP);
-
- /*
* Let tracing know that we've done the handler setup.
*/
tracehook_signal_handler(signr, &info, &ka, regs,
- test_thread_flag(TIF_SINGLE_STEP));
+ current->thread.per_info.single_step);
}
return;
}
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 93e52039321..76a6fdd46c4 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -52,6 +52,9 @@
#include <asm/cpu.h>
#include "entry.h"
+/* logical cpu to cpu address */
+int __cpu_logical_map[NR_CPUS];
+
static struct task_struct *current_set[NR_CPUS];
static u8 smp_cpu_type;
@@ -717,6 +720,12 @@ void __init smp_cpus_done(unsigned int max_cpus)
{
}
+void __init smp_setup_processor_id(void)
+{
+ S390_lowcore.cpu_nr = 0;
+ __cpu_logical_map[0] = stap();
+}
+
/*
* the frequency of the profiling timer can be changed
* by writing a multiplier value into /proc/profile.
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index e9d94f61d50..86a74c9c9e6 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -32,32 +32,6 @@
#include <asm/uaccess.h>
#include "entry.h"
-/* common code for old and new mmaps */
-static inline long do_mmap2(
- unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags,
- unsigned long fd, unsigned long pgoff)
-{
- long error = -EBADF;
- struct file * file = NULL;
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
-
- down_write(&current->mm->mmap_sem);
- error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(&current->mm->mmap_sem);
-
- if (file)
- fput(file);
-out:
- return error;
-}
-
/*
* Perform the select(nd, in, out, ex, tv) and mmap() system
* calls. Linux for S/390 isn't able to handle more than 5
@@ -81,7 +55,7 @@ SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg)
if (copy_from_user(&a, arg, sizeof(a)))
goto out;
- error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
+ error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
out:
return error;
}
@@ -98,7 +72,7 @@ SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg)
if (a.offset & ~PAGE_MASK)
goto out;
- error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
+ error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
out:
return error;
}
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 34162a0b2ca..65065ac48ed 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -214,7 +214,8 @@ struct clocksource * __init clocksource_default_clock(void)
return &clocksource_tod;
}
-void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
+void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
+ u32 mult)
{
if (clock != &clocksource_tod)
return;
@@ -334,7 +335,7 @@ int get_sync_clock(unsigned long long *clock)
sw0 = atomic_read(sw_ptr);
*clock = get_clock();
sw1 = atomic_read(sw_ptr);
- put_cpu_var(clock_sync_sync);
+ put_cpu_var(clock_sync_word);
if (sw0 == sw1 && (sw0 & 0x80000000U))
/* Success: time is in sync. */
return 0;
@@ -384,7 +385,7 @@ static inline int check_sync_clock(void)
sw_ptr = &get_cpu_var(clock_sync_word);
rc = (atomic_read(sw_ptr) & 0x80000000U) != 0;
- put_cpu_var(clock_sync_sync);
+ put_cpu_var(clock_sync_word);
return rc;
}
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 3c72c9cf22b..14ef6f05e43 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -114,7 +114,7 @@ static void add_cpus_to_core(struct tl_cpu *tl_cpu, struct core_info *core)
rcpu = CPU_BITS - 1 - cpu + tl_cpu->origin;
for_each_present_cpu(lcpu) {
- if (__cpu_logical_map[lcpu] == rcpu) {
+ if (cpu_logical_map(lcpu) == rcpu) {
cpu_set(lcpu, core->mask);
smp_cpu_polarization[lcpu] = tl_cpu->pp;
}
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index c2e42cc65ce..6e7ad63854c 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -18,7 +18,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
-#include <linux/ptrace.h>
+#include <linux/tracehook.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/smp.h>
@@ -382,7 +382,7 @@ void __kprobes do_single_step(struct pt_regs *regs)
SIGTRAP) == NOTIFY_STOP){
return;
}
- if ((current->ptrace & PT_PTRACED) != 0)
+ if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
}
@@ -483,7 +483,7 @@ static void illegal_op(struct pt_regs * regs, long interruption_code)
if (get_user(*((__u16 *) opcode), (__u16 __user *) location))
return;
if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) {
- if (current->ptrace & PT_PTRACED)
+ if (tracehook_consider_fatal_signal(current, SIGTRAP))
force_sig(SIGTRAP, current);
else
signal = SIGILL;
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index adfb32aa6d5..5f99e66c51c 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -86,7 +86,8 @@ static void vdso_init_data(struct vdso_data *vd)
unsigned int facility_list;
facility_list = stfl();
- vd->ectg_available = switch_amode && (facility_list & 1);
+ vd->ectg_available =
+ user_mode != HOME_SPACE_MODE && (facility_list & 1);
}
#ifdef CONFIG_64BIT
@@ -114,7 +115,7 @@ int vdso_alloc_per_cpu(int cpu, struct _lowcore *lowcore)
lowcore->vdso_per_cpu_data = __LC_PASTE;
- if (!switch_amode || !vdso_enabled)
+ if (user_mode == HOME_SPACE_MODE || !vdso_enabled)
return 0;
segment_table = __get_free_pages(GFP_KERNEL, SEGMENT_ORDER);
@@ -160,7 +161,7 @@ void vdso_free_per_cpu(int cpu, struct _lowcore *lowcore)
unsigned long segment_table, page_table, page_frame;
u32 *psal, *aste;
- if (!switch_amode || !vdso_enabled)
+ if (user_mode == HOME_SPACE_MODE || !vdso_enabled)
return;
psal = (u32 *)(addr_t) lowcore->paste[4];
@@ -184,7 +185,7 @@ static void __vdso_init_cr5(void *dummy)
static void vdso_init_cr5(void)
{
- if (switch_amode && vdso_enabled)
+ if (user_mode != HOME_SPACE_MODE && vdso_enabled)
on_each_cpu(__vdso_init_cr5, NULL, 1);
}
#endif /* CONFIG_64BIT */
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index c41bb0d416e..b59a812a010 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -167,6 +167,8 @@ void vtime_stop_cpu(void)
/* Wait for external, I/O or machine check interrupt. */
psw.mask = psw_kernel_bits | PSW_MASK_WAIT | PSW_MASK_IO | PSW_MASK_EXT;
+ idle->nohz_delay = 0;
+
/* Check if the CPU timer needs to be reprogrammed. */
if (vq->do_spt) {
__u64 vmax = VTIMER_MAX_SLICE;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-19 00:58:58 +0000