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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-01 12:55:09 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-01 12:55:09 -0800
commit4f97f8f5f0664bdcfffe74e7d2a841f55a0e88e2 (patch)
tree49165c5065d121130e0436e647b9a650f0da41cb /arch/s390/kernel
parent0e781c2258ffb2a42bf44f62dea8662f38cbfd34 (diff)
parent36f90b0a2ddd60823fe193a85e60ff1906c2a9b3 (diff)
downloadblackbird-op-linux-4f97f8f5f0664bdcfffe74e7d2a841f55a0e88e2.tar.gz
blackbird-op-linux-4f97f8f5f0664bdcfffe74e7d2a841f55a0e88e2.zip
Merge 4.5-rc2 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/compat_wrapper.c1
-rw-r--r--arch/s390/kernel/crash_dump.c2
-rw-r--r--arch/s390/kernel/debug.c2
-rw-r--r--arch/s390/kernel/dumpstack.c9
-rw-r--r--arch/s390/kernel/early.c8
-rw-r--r--arch/s390/kernel/ftrace.c2
-rw-r--r--arch/s390/kernel/ipl.c4
-rw-r--r--arch/s390/kernel/kprobes.c16
-rw-r--r--arch/s390/kernel/perf_event.c12
-rw-r--r--arch/s390/kernel/process.c12
-rw-r--r--arch/s390/kernel/ptrace.c6
-rw-r--r--arch/s390/kernel/setup.c16
-rw-r--r--arch/s390/kernel/signal.c13
-rw-r--r--arch/s390/kernel/smp.c2
-rw-r--r--arch/s390/kernel/stacktrace.c11
-rw-r--r--arch/s390/kernel/syscalls.S1
-rw-r--r--arch/s390/kernel/traps.c11
17 files changed, 57 insertions, 71 deletions
diff --git a/arch/s390/kernel/compat_wrapper.c b/arch/s390/kernel/compat_wrapper.c
index fac4eeddef91..ae2cda5eee5a 100644
--- a/arch/s390/kernel/compat_wrapper.c
+++ b/arch/s390/kernel/compat_wrapper.c
@@ -177,3 +177,4 @@ COMPAT_SYSCALL_WRAP3(getsockname, int, fd, struct sockaddr __user *, usockaddr,
COMPAT_SYSCALL_WRAP3(getpeername, int, fd, struct sockaddr __user *, usockaddr, int __user *, usockaddr_len);
COMPAT_SYSCALL_WRAP6(sendto, int, fd, void __user *, buff, size_t, len, unsigned int, flags, struct sockaddr __user *, addr, int, addr_len);
COMPAT_SYSCALL_WRAP3(mlock2, unsigned long, start, size_t, len, int, flags);
+COMPAT_SYSCALL_WRAP6(copy_file_range, int, fd_in, loff_t __user *, off_in, int, fd_out, loff_t __user *, off_out, size_t, len, unsigned int, flags);
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index a92b39fd0e63..3986c9f62191 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -59,8 +59,6 @@ struct save_area * __init save_area_alloc(bool is_boot_cpu)
struct save_area *sa;
sa = (void *) memblock_alloc(sizeof(*sa), 8);
- if (!sa)
- return NULL;
if (is_boot_cpu)
list_add(&sa->list, &dump_save_areas);
else
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 6fca0e46464e..c890a5589e59 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1470,7 +1470,7 @@ debug_dflt_header_fn(debug_info_t * id, struct debug_view *view,
except_str = "*";
else
except_str = "-";
- caller = ((unsigned long) entry->caller) & PSW_ADDR_INSN;
+ caller = (unsigned long) entry->caller;
rc += sprintf(out_buf, "%02i %011lld:%06lu %1u %1s %02i %p ",
area, (long long)time_spec.tv_sec,
time_spec.tv_nsec / 1000, level, except_str,
diff --git a/arch/s390/kernel/dumpstack.c b/arch/s390/kernel/dumpstack.c
index dc8e20473484..02bd02ff648b 100644
--- a/arch/s390/kernel/dumpstack.c
+++ b/arch/s390/kernel/dumpstack.c
@@ -34,22 +34,21 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
unsigned long addr;
while (1) {
- sp = sp & PSW_ADDR_INSN;
if (sp < low || sp > high - sizeof(*sf))
return sp;
sf = (struct stack_frame *) sp;
- addr = sf->gprs[8] & PSW_ADDR_INSN;
+ addr = sf->gprs[8];
printk("([<%016lx>] %pSR)\n", addr, (void *)addr);
/* Follow the backchain. */
while (1) {
low = sp;
- sp = sf->back_chain & PSW_ADDR_INSN;
+ sp = sf->back_chain;
if (!sp)
break;
if (sp <= low || sp > high - sizeof(*sf))
return sp;
sf = (struct stack_frame *) sp;
- addr = sf->gprs[8] & PSW_ADDR_INSN;
+ addr = sf->gprs[8];
printk(" [<%016lx>] %pSR\n", addr, (void *)addr);
}
/* Zero backchain detected, check for interrupt frame. */
@@ -57,7 +56,7 @@ __show_trace(unsigned long sp, unsigned long low, unsigned long high)
if (sp <= low || sp > high - sizeof(*regs))
return sp;
regs = (struct pt_regs *) sp;
- addr = regs->psw.addr & PSW_ADDR_INSN;
+ addr = regs->psw.addr;
printk(" [<%016lx>] %pSR\n", addr, (void *)addr);
low = sp;
sp = regs->gprs[15];
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index 20a5caf6d981..c55576bbaa1f 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -252,14 +252,14 @@ static void early_pgm_check_handler(void)
unsigned long addr;
addr = S390_lowcore.program_old_psw.addr;
- fixup = search_exception_tables(addr & PSW_ADDR_INSN);
+ fixup = search_exception_tables(addr);
if (!fixup)
disabled_wait(0);
/* Disable low address protection before storing into lowcore. */
__ctl_store(cr0, 0, 0);
cr0_new = cr0 & ~(1UL << 28);
__ctl_load(cr0_new, 0, 0);
- S390_lowcore.program_old_psw.addr = extable_fixup(fixup)|PSW_ADDR_AMODE;
+ S390_lowcore.program_old_psw.addr = extable_fixup(fixup);
__ctl_load(cr0, 0, 0);
}
@@ -268,9 +268,9 @@ static noinline __init void setup_lowcore_early(void)
psw_t psw;
psw.mask = PSW_MASK_BASE | PSW_DEFAULT_KEY | PSW_MASK_EA | PSW_MASK_BA;
- psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_ext_handler;
+ psw.addr = (unsigned long) s390_base_ext_handler;
S390_lowcore.external_new_psw = psw;
- psw.addr = PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler;
+ psw.addr = (unsigned long) s390_base_pgm_handler;
S390_lowcore.program_new_psw = psw;
s390_base_pgm_handler_fn = early_pgm_check_handler;
}
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index e0eaf11134b4..0f7bfeba6da6 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -203,7 +203,7 @@ unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip)
goto out;
if (unlikely(atomic_read(&current->tracing_graph_pause)))
goto out;
- ip = (ip & PSW_ADDR_INSN) - MCOUNT_INSN_SIZE;
+ ip -= MCOUNT_INSN_SIZE;
trace.func = ip;
trace.depth = current->curr_ret_stack + 1;
/* Only trace if the calling function expects to. */
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 0a5a6b661b93..f20abdb5630a 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -2057,12 +2057,12 @@ void s390_reset_system(void)
/* Set new machine check handler */
S390_lowcore.mcck_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT;
S390_lowcore.mcck_new_psw.addr =
- PSW_ADDR_AMODE | (unsigned long) s390_base_mcck_handler;
+ (unsigned long) s390_base_mcck_handler;
/* Set new program check handler */
S390_lowcore.program_new_psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT;
S390_lowcore.program_new_psw.addr =
- PSW_ADDR_AMODE | (unsigned long) s390_base_pgm_handler;
+ (unsigned long) s390_base_pgm_handler;
/*
* Clear subchannel ID and number to signal new kernel that no CCW or
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 389db56a2208..250f5972536a 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -226,7 +226,7 @@ static void enable_singlestep(struct kprobe_ctlblk *kcb,
__ctl_load(per_kprobe, 9, 11);
regs->psw.mask |= PSW_MASK_PER;
regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT);
- regs->psw.addr = ip | PSW_ADDR_AMODE;
+ regs->psw.addr = ip;
}
NOKPROBE_SYMBOL(enable_singlestep);
@@ -238,7 +238,7 @@ static void disable_singlestep(struct kprobe_ctlblk *kcb,
__ctl_load(kcb->kprobe_saved_ctl, 9, 11);
regs->psw.mask &= ~PSW_MASK_PER;
regs->psw.mask |= kcb->kprobe_saved_imask;
- regs->psw.addr = ip | PSW_ADDR_AMODE;
+ regs->psw.addr = ip;
}
NOKPROBE_SYMBOL(disable_singlestep);
@@ -310,7 +310,7 @@ static int kprobe_handler(struct pt_regs *regs)
*/
preempt_disable();
kcb = get_kprobe_ctlblk();
- p = get_kprobe((void *)((regs->psw.addr & PSW_ADDR_INSN) - 2));
+ p = get_kprobe((void *)(regs->psw.addr - 2));
if (p) {
if (kprobe_running()) {
@@ -460,7 +460,7 @@ static int trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs)
break;
}
- regs->psw.addr = orig_ret_address | PSW_ADDR_AMODE;
+ regs->psw.addr = orig_ret_address;
pop_kprobe(get_kprobe_ctlblk());
kretprobe_hash_unlock(current, &flags);
@@ -490,7 +490,7 @@ NOKPROBE_SYMBOL(trampoline_probe_handler);
static void resume_execution(struct kprobe *p, struct pt_regs *regs)
{
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
- unsigned long ip = regs->psw.addr & PSW_ADDR_INSN;
+ unsigned long ip = regs->psw.addr;
int fixup = probe_get_fixup_type(p->ainsn.insn);
/* Check if the kprobes location is an enabled ftrace caller */
@@ -605,9 +605,9 @@ static int kprobe_trap_handler(struct pt_regs *regs, int trapnr)
* In case the user-specified fault handler returned
* zero, try to fix up.
*/
- entry = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN);
+ entry = search_exception_tables(regs->psw.addr);
if (entry) {
- regs->psw.addr = extable_fixup(entry) | PSW_ADDR_AMODE;
+ regs->psw.addr = extable_fixup(entry);
return 1;
}
@@ -683,7 +683,7 @@ int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
memcpy(&kcb->jprobe_saved_regs, regs, sizeof(struct pt_regs));
/* setup return addr to the jprobe handler routine */
- regs->psw.addr = (unsigned long) jp->entry | PSW_ADDR_AMODE;
+ regs->psw.addr = (unsigned long) jp->entry;
regs->psw.mask &= ~(PSW_MASK_IO | PSW_MASK_EXT);
/* r15 is the stack pointer */
diff --git a/arch/s390/kernel/perf_event.c b/arch/s390/kernel/perf_event.c
index 61595c1f0a0f..cfcba2dd9bb5 100644
--- a/arch/s390/kernel/perf_event.c
+++ b/arch/s390/kernel/perf_event.c
@@ -74,7 +74,7 @@ static unsigned long guest_is_user_mode(struct pt_regs *regs)
static unsigned long instruction_pointer_guest(struct pt_regs *regs)
{
- return sie_block(regs)->gpsw.addr & PSW_ADDR_INSN;
+ return sie_block(regs)->gpsw.addr;
}
unsigned long perf_instruction_pointer(struct pt_regs *regs)
@@ -231,29 +231,27 @@ static unsigned long __store_trace(struct perf_callchain_entry *entry,
struct pt_regs *regs;
while (1) {
- sp = sp & PSW_ADDR_INSN;
if (sp < low || sp > high - sizeof(*sf))
return sp;
sf = (struct stack_frame *) sp;
- perf_callchain_store(entry, sf->gprs[8] & PSW_ADDR_INSN);
+ perf_callchain_store(entry, sf->gprs[8]);
/* Follow the backchain. */
while (1) {
low = sp;
- sp = sf->back_chain & PSW_ADDR_INSN;
+ sp = sf->back_chain;
if (!sp)
break;
if (sp <= low || sp > high - sizeof(*sf))
return sp;
sf = (struct stack_frame *) sp;
- perf_callchain_store(entry,
- sf->gprs[8] & PSW_ADDR_INSN);
+ perf_callchain_store(entry, sf->gprs[8]);
}
/* Zero backchain detected, check for interrupt frame. */
sp = (unsigned long) (sf + 1);
if (sp <= low || sp > high - sizeof(*regs))
return sp;
regs = (struct pt_regs *) sp;
- perf_callchain_store(entry, sf->gprs[8] & PSW_ADDR_INSN);
+ perf_callchain_store(entry, sf->gprs[8]);
low = sp;
sp = regs->gprs[15];
}
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 114ee8b96f17..2bba7df4ac51 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -56,10 +56,10 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
return 0;
low = task_stack_page(tsk);
high = (struct stack_frame *) task_pt_regs(tsk);
- sf = (struct stack_frame *) (tsk->thread.ksp & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) tsk->thread.ksp;
if (sf <= low || sf > high)
return 0;
- sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) sf->back_chain;
if (sf <= low || sf > high)
return 0;
return sf->gprs[8];
@@ -154,7 +154,7 @@ int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
memset(&frame->childregs, 0, sizeof(struct pt_regs));
frame->childregs.psw.mask = PSW_KERNEL_BITS | PSW_MASK_DAT |
PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
- frame->childregs.psw.addr = PSW_ADDR_AMODE |
+ frame->childregs.psw.addr =
(unsigned long) kernel_thread_starter;
frame->childregs.gprs[9] = new_stackp; /* function */
frame->childregs.gprs[10] = arg;
@@ -220,14 +220,14 @@ unsigned long get_wchan(struct task_struct *p)
return 0;
low = task_stack_page(p);
high = (struct stack_frame *) task_pt_regs(p);
- sf = (struct stack_frame *) (p->thread.ksp & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) p->thread.ksp;
if (sf <= low || sf > high)
return 0;
for (count = 0; count < 16; count++) {
- sf = (struct stack_frame *) (sf->back_chain & PSW_ADDR_INSN);
+ sf = (struct stack_frame *) sf->back_chain;
if (sf <= low || sf > high)
return 0;
- return_address = sf->gprs[8] & PSW_ADDR_INSN;
+ return_address = sf->gprs[8];
if (!in_sched_functions(return_address))
return return_address;
}
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 01c37b36caf9..49b1c13bf6c9 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -84,7 +84,7 @@ void update_cr_regs(struct task_struct *task)
if (test_tsk_thread_flag(task, TIF_UPROBE_SINGLESTEP))
new.control |= PER_EVENT_IFETCH;
new.start = 0;
- new.end = PSW_ADDR_INSN;
+ new.end = -1UL;
}
/* Take care of the PER enablement bit in the PSW. */
@@ -148,7 +148,7 @@ static inline unsigned long __peek_user_per(struct task_struct *child,
else if (addr == (addr_t) &dummy->cr11)
/* End address of the active per set. */
return test_thread_flag(TIF_SINGLE_STEP) ?
- PSW_ADDR_INSN : child->thread.per_user.end;
+ -1UL : child->thread.per_user.end;
else if (addr == (addr_t) &dummy->bits)
/* Single-step bit. */
return test_thread_flag(TIF_SINGLE_STEP) ?
@@ -495,8 +495,6 @@ long arch_ptrace(struct task_struct *child, long request,
}
return 0;
default:
- /* Removing high order bit from addr (only for 31 bit). */
- addr &= PSW_ADDR_INSN;
return ptrace_request(child, request, addr, data);
}
}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index c6878fbbcf13..9220db5c996a 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -301,25 +301,21 @@ static void __init setup_lowcore(void)
BUILD_BUG_ON(sizeof(struct lowcore) != LC_PAGES * 4096);
lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
lc->restart_psw.mask = PSW_KERNEL_BITS;
- lc->restart_psw.addr =
- PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
+ lc->restart_psw.addr = (unsigned long) restart_int_handler;
lc->external_new_psw.mask = PSW_KERNEL_BITS |
PSW_MASK_DAT | PSW_MASK_MCHECK;
- lc->external_new_psw.addr =
- PSW_ADDR_AMODE | (unsigned long) ext_int_handler;
+ lc->external_new_psw.addr = (unsigned long) ext_int_handler;
lc->svc_new_psw.mask = PSW_KERNEL_BITS |
PSW_MASK_DAT | PSW_MASK_IO | PSW_MASK_EXT | PSW_MASK_MCHECK;
- lc->svc_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) system_call;
+ lc->svc_new_psw.addr = (unsigned long) system_call;
lc->program_new_psw.mask = PSW_KERNEL_BITS |
PSW_MASK_DAT | PSW_MASK_MCHECK;
- lc->program_new_psw.addr =
- PSW_ADDR_AMODE | (unsigned long) pgm_check_handler;
+ lc->program_new_psw.addr = (unsigned long) pgm_check_handler;
lc->mcck_new_psw.mask = PSW_KERNEL_BITS;
- lc->mcck_new_psw.addr =
- PSW_ADDR_AMODE | (unsigned long) mcck_int_handler;
+ lc->mcck_new_psw.addr = (unsigned long) mcck_int_handler;
lc->io_new_psw.mask = PSW_KERNEL_BITS |
PSW_MASK_DAT | PSW_MASK_MCHECK;
- lc->io_new_psw.addr = PSW_ADDR_AMODE | (unsigned long) io_int_handler;
+ lc->io_new_psw.addr = (unsigned long) io_int_handler;
lc->clock_comparator = -1ULL;
lc->kernel_stack = ((unsigned long) &init_thread_union)
+ THREAD_SIZE - STACK_FRAME_OVERHEAD - sizeof(struct pt_regs);
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 028cc46cb82a..d82562cf0a0e 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -331,13 +331,13 @@ static int setup_frame(int sig, struct k_sigaction *ka,
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
if (ka->sa.sa_flags & SA_RESTORER) {
- restorer = (unsigned long) ka->sa.sa_restorer | PSW_ADDR_AMODE;
+ restorer = (unsigned long) ka->sa.sa_restorer;
} else {
/* Signal frame without vector registers are short ! */
__u16 __user *svc = (void __user *) frame + frame_size - 2;
if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn, svc))
return -EFAULT;
- restorer = (unsigned long) svc | PSW_ADDR_AMODE;
+ restorer = (unsigned long) svc;
}
/* Set up registers for signal handler */
@@ -347,7 +347,7 @@ static int setup_frame(int sig, struct k_sigaction *ka,
regs->psw.mask = PSW_MASK_EA | PSW_MASK_BA |
(PSW_USER_BITS & PSW_MASK_ASC) |
(regs->psw.mask & ~PSW_MASK_ASC);
- regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE;
+ regs->psw.addr = (unsigned long) ka->sa.sa_handler;
regs->gprs[2] = sig;
regs->gprs[3] = (unsigned long) &frame->sc;
@@ -394,13 +394,12 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
if (ksig->ka.sa.sa_flags & SA_RESTORER) {
- restorer = (unsigned long)
- ksig->ka.sa.sa_restorer | PSW_ADDR_AMODE;
+ restorer = (unsigned long) ksig->ka.sa.sa_restorer;
} else {
__u16 __user *svc = &frame->svc_insn;
if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn, svc))
return -EFAULT;
- restorer = (unsigned long) svc | PSW_ADDR_AMODE;
+ restorer = (unsigned long) svc;
}
/* Create siginfo on the signal stack */
@@ -426,7 +425,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
regs->psw.mask = PSW_MASK_EA | PSW_MASK_BA |
(PSW_USER_BITS & PSW_MASK_ASC) |
(regs->psw.mask & ~PSW_MASK_ASC);
- regs->psw.addr = (unsigned long) ksig->ka.sa.sa_handler | PSW_ADDR_AMODE;
+ regs->psw.addr = (unsigned long) ksig->ka.sa.sa_handler;
regs->gprs[2] = ksig->sig;
regs->gprs[3] = (unsigned long) &frame->info;
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index a13468b9a913..3c65a8eae34d 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -623,8 +623,6 @@ void __init smp_save_dump_cpus(void)
return;
/* Allocate a page as dumping area for the store status sigps */
page = memblock_alloc_base(PAGE_SIZE, PAGE_SIZE, 1UL << 31);
- if (!page)
- panic("could not allocate memory for save area\n");
/* Set multi-threading state to the previous system. */
pcpu_set_smt(sclp.mtid_prev);
boot_cpu_addr = stap();
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 1785cd82253c..5acba3cb7220 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -21,12 +21,11 @@ static unsigned long save_context_stack(struct stack_trace *trace,
unsigned long addr;
while(1) {
- sp &= PSW_ADDR_INSN;
if (sp < low || sp > high)
return sp;
sf = (struct stack_frame *)sp;
while(1) {
- addr = sf->gprs[8] & PSW_ADDR_INSN;
+ addr = sf->gprs[8];
if (!trace->skip)
trace->entries[trace->nr_entries++] = addr;
else
@@ -34,7 +33,7 @@ static unsigned long save_context_stack(struct stack_trace *trace,
if (trace->nr_entries >= trace->max_entries)
return sp;
low = sp;
- sp = sf->back_chain & PSW_ADDR_INSN;
+ sp = sf->back_chain;
if (!sp)
break;
if (sp <= low || sp > high - sizeof(*sf))
@@ -46,7 +45,7 @@ static unsigned long save_context_stack(struct stack_trace *trace,
if (sp <= low || sp > high - sizeof(*regs))
return sp;
regs = (struct pt_regs *)sp;
- addr = regs->psw.addr & PSW_ADDR_INSN;
+ addr = regs->psw.addr;
if (savesched || !in_sched_functions(addr)) {
if (!trace->skip)
trace->entries[trace->nr_entries++] = addr;
@@ -65,7 +64,7 @@ void save_stack_trace(struct stack_trace *trace)
register unsigned long sp asm ("15");
unsigned long orig_sp, new_sp;
- orig_sp = sp & PSW_ADDR_INSN;
+ orig_sp = sp;
new_sp = save_context_stack(trace, orig_sp,
S390_lowcore.panic_stack - PAGE_SIZE,
S390_lowcore.panic_stack, 1);
@@ -86,7 +85,7 @@ void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
unsigned long sp, low, high;
- sp = tsk->thread.ksp & PSW_ADDR_INSN;
+ sp = tsk->thread.ksp;
low = (unsigned long) task_stack_page(tsk);
high = (unsigned long) task_pt_regs(tsk);
save_context_stack(trace, sp, low, high, 0);
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 5378c3ea1b98..293d8b98fd52 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -383,3 +383,4 @@ SYSCALL(sys_recvfrom,compat_sys_recvfrom)
SYSCALL(sys_recvmsg,compat_sys_recvmsg)
SYSCALL(sys_shutdown,sys_shutdown)
SYSCALL(sys_mlock2,compat_sys_mlock2)
+SYSCALL(sys_copy_file_range,compat_sys_copy_file_range) /* 375 */
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index d69d648759c9..017eb03daee2 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -32,8 +32,7 @@ static inline void __user *get_trap_ip(struct pt_regs *regs)
address = *(unsigned long *)(current->thread.trap_tdb + 24);
else
address = regs->psw.addr;
- return (void __user *)
- ((address - (regs->int_code >> 16)) & PSW_ADDR_INSN);
+ return (void __user *) (address - (regs->int_code >> 16));
}
static inline void report_user_fault(struct pt_regs *regs, int signr)
@@ -46,7 +45,7 @@ static inline void report_user_fault(struct pt_regs *regs, int signr)
return;
printk("User process fault: interruption code %04x ilc:%d ",
regs->int_code & 0xffff, regs->int_code >> 17);
- print_vma_addr("in ", regs->psw.addr & PSW_ADDR_INSN);
+ print_vma_addr("in ", regs->psw.addr);
printk("\n");
show_regs(regs);
}
@@ -69,13 +68,13 @@ void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)
report_user_fault(regs, si_signo);
} else {
const struct exception_table_entry *fixup;
- fixup = search_exception_tables(regs->psw.addr & PSW_ADDR_INSN);
+ fixup = search_exception_tables(regs->psw.addr);
if (fixup)
- regs->psw.addr = extable_fixup(fixup) | PSW_ADDR_AMODE;
+ regs->psw.addr = extable_fixup(fixup);
else {
enum bug_trap_type btt;
- btt = report_bug(regs->psw.addr & PSW_ADDR_INSN, regs);
+ btt = report_bug(regs->psw.addr, regs);
if (btt == BUG_TRAP_TYPE_WARN)
return;
die(regs, str);
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