diff options
Diffstat (limited to 'arch/s390')
-rw-r--r-- | arch/s390/appldata/appldata_base.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/compat_signal.c | 2 | ||||
-rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 50 | ||||
-rw-r--r-- | arch/s390/kernel/ptrace.c | 5 | ||||
-rw-r--r-- | arch/s390/kernel/signal.c | 5 | ||||
-rw-r--r-- | arch/s390/kernel/syscalls.S | 6 | ||||
-rw-r--r-- | arch/s390/kernel/time.c | 9 | ||||
-rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 4 | ||||
-rw-r--r-- | arch/s390/mm/extmem.c | 19 |
9 files changed, 87 insertions, 15 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index 54d35c1..9a22434 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 5291b5f..b4c815d 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 199da68..4d53b27 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 37dfe33..8f36504 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 ae1927e4..d48cfc7 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 2f56654..93be1d5 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 fea043b..2a6c6ef 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 9289face..9f34bb5 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 a9566bc..9b11e3e 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); } |