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-rw-r--r--arch/s390/appldata/appldata_base.c2
-rw-r--r--arch/s390/kernel/compat_signal.c2
-rw-r--r--arch/s390/kernel/compat_wrapper.S50
-rw-r--r--arch/s390/kernel/ptrace.c5
-rw-r--r--arch/s390/kernel/signal.c5
-rw-r--r--arch/s390/kernel/syscalls.S6
-rw-r--r--arch/s390/kernel/time.c9
-rw-r--r--arch/s390/kernel/vmlinux.lds.S4
-rw-r--r--arch/s390/mm/extmem.c19
9 files changed, 87 insertions, 15 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 54d35c130907..9a22434a580c 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -652,7 +652,7 @@ appldata_cpu_notify(struct notifier_block *self,
return NOTIFY_OK;
}
-static struct notifier_block __devinitdata appldata_nb = {
+static struct notifier_block appldata_nb = {
.notifier_call = appldata_cpu_notify,
};
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index 5291b5f8788d..b4c815d8ef75 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -430,7 +430,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
/* This is the X/Open sanctioned signal stack switching. */
if (ka->sa.sa_flags & SA_ONSTACK) {
- if (! on_sig_stack(sp))
+ if (! sas_ss_flags(sp))
sp = current->sas_ss_sp + current->sas_ss_size;
}
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 199da68bd7be..4d53b2739357 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1608,3 +1608,53 @@ compat_sys_ppoll_wrapper:
sys_unshare_wrapper:
llgfr %r2,%r2 # unsigned long
jg sys_unshare
+
+ .globl compat_sys_set_robust_list_wrapper
+compat_sys_set_robust_list_wrapper:
+ llgtr %r2,%r2 # struct compat_robust_list_head *
+ llgfr %r3,%r3 # size_t
+ jg compat_sys_set_robust_list
+
+ .globl compat_sys_get_robust_list_wrapper
+compat_sys_get_robust_list_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # compat_uptr_t_t *
+ llgtr %r4,%r4 # compat_size_t *
+ jg compat_sys_get_robust_list
+
+ .globl sys_splice_wrapper
+sys_splice_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # loff_t *
+ lgfr %r4,%r4 # int
+ llgtr %r5,%r5 # loff_t *
+ llgfr %r6,%r6 # size_t
+ llgf %r0,164(%r15) # unsigned int
+ stg %r0,160(%r15)
+ jg sys_splice
+
+ .globl sys_sync_file_range_wrapper
+sys_sync_file_range_wrapper:
+ lgfr %r2,%r2 # int
+ sllg %r3,%r3,32 # get high word of 64bit loff_t
+ or %r3,%r4 # get low word of 64bit loff_t
+ sllg %r4,%r5,32 # get high word of 64bit loff_t
+ or %r4,%r6 # get low word of 64bit loff_t
+ llgf %r5,164(%r15) # unsigned int
+ jg sys_sync_file_range
+
+ .globl sys_tee_wrapper
+sys_tee_wrapper:
+ lgfr %r2,%r2 # int
+ lgfr %r3,%r3 # int
+ llgfr %r4,%r4 # size_t
+ llgfr %r5,%r5 # unsigned int
+ jg sys_tee
+
+ .globl compat_sys_vmsplice_wrapper
+compat_sys_vmsplice_wrapper:
+ lgfr %r2,%r2 # int
+ llgtr %r3,%r3 # compat_iovec *
+ llgfr %r4,%r4 # unsigned int
+ llgfr %r5,%r5 # unsigned int
+ jg compat_sys_vmsplice
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 37dfe33dab73..8f36504075ed 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -734,7 +734,7 @@ asmlinkage void
syscall_trace(struct pt_regs *regs, int entryexit)
{
if (unlikely(current->audit_context) && entryexit)
- audit_syscall_exit(current, AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
+ audit_syscall_exit(AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
if (!test_thread_flag(TIF_SYSCALL_TRACE))
goto out;
@@ -761,8 +761,7 @@ syscall_trace(struct pt_regs *regs, int entryexit)
}
out:
if (unlikely(current->audit_context) && !entryexit)
- audit_syscall_entry(current,
- test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
+ audit_syscall_entry(test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
regs->gprs[2], regs->orig_gpr2, regs->gprs[3],
regs->gprs[4], regs->gprs[5]);
}
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index ae1927e48cfb..d48cfc726b68 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -358,8 +358,9 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
} else {
regs->gprs[14] = (unsigned long)
frame->retcode | PSW_ADDR_AMODE;
- err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
- (u16 __user *)(frame->retcode));
+ if (__put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
+ (u16 __user *)(frame->retcode)))
+ goto give_sigsegv;
}
/* Set up backchain. */
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 2f56654da821..93be1d56c036 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -312,3 +312,9 @@ SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */
SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper)
SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper)
SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper)
+SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper)
+SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper)
+SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
+SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
+SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
+SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index fea043b69b91..2a6c6efb6865 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -249,18 +249,19 @@ static inline void stop_hz_timer(void)
unsigned long flags;
unsigned long seq, next;
__u64 timer, todval;
+ int cpu = smp_processor_id();
if (sysctl_hz_timer != 0)
return;
- cpu_set(smp_processor_id(), nohz_cpu_mask);
+ cpu_set(cpu, nohz_cpu_mask);
/*
* Leave the clock comparator set up for the next timer
* tick if either rcu or a softirq is pending.
*/
- if (rcu_pending(smp_processor_id()) || local_softirq_pending()) {
- cpu_clear(smp_processor_id(), nohz_cpu_mask);
+ if (rcu_needs_cpu(cpu) || local_softirq_pending()) {
+ cpu_clear(cpu, nohz_cpu_mask);
return;
}
@@ -271,7 +272,7 @@ static inline void stop_hz_timer(void)
next = next_timer_interrupt();
do {
seq = read_seqbegin_irqsave(&xtime_lock, flags);
- timer = (__u64)(next - jiffies) + jiffies_64;
+ timer = ((__u64) next) - ((__u64) jiffies) + jiffies_64;
} while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
todval = -1ULL;
/* Be careful about overflows. */
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 9289face3027..9f34bb54c051 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -58,9 +58,11 @@ SECTIONS
. = ALIGN(4096);
.data.page_aligned : { *(.data.idt) }
- . = ALIGN(32);
+ . = ALIGN(256);
.data.cacheline_aligned : { *(.data.cacheline_aligned) }
+ . = ALIGN(256);
+ .data.read_mostly : { *(.data.read_mostly) }
_edata = .; /* End of data section */
. = ALIGN(8192); /* init_task */
diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c
index a9566bcab682..9b11e3e20903 100644
--- a/arch/s390/mm/extmem.c
+++ b/arch/s390/mm/extmem.c
@@ -192,6 +192,7 @@ query_segment_type (struct dcss_segment *seg)
diag_cc = dcss_diag (DCSS_SEGEXT, qin, &dummy, &vmrc);
if (diag_cc > 1) {
+ PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc);
rc = dcss_diag_translate_rc (vmrc);
goto out_free;
}
@@ -553,7 +554,7 @@ segment_save(char *name)
int endpfn = 0;
char cmd1[160];
char cmd2[80];
- int i;
+ int i, response;
if (!MACHINE_IS_VM)
return;
@@ -576,8 +577,20 @@ segment_save(char *name)
segtype_string[seg->range[i].start & 0xff]);
}
sprintf(cmd2, "SAVESEG %s", name);
- cpcmd(cmd1, NULL, 0, NULL);
- cpcmd(cmd2, NULL, 0, NULL);
+ response = 0;
+ cpcmd(cmd1, NULL, 0, &response);
+ if (response) {
+ PRINT_ERR("segment_save: DEFSEG failed with response code %i\n",
+ response);
+ goto out;
+ }
+ cpcmd(cmd2, NULL, 0, &response);
+ if (response) {
+ PRINT_ERR("segment_save: SAVESEG failed with response code %i\n",
+ response);
+ goto out;
+ }
+out:
spin_unlock(&dcss_lock);
}