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-rw-r--r--arch/s390/kernel/compat_linux.c20
-rw-r--r--arch/s390/kernel/compat_signal.c3
-rw-r--r--arch/s390/kernel/compat_wrapper.S13
-rw-r--r--arch/s390/kernel/machine_kexec.c5
-rw-r--r--arch/s390/kernel/smp.c6
-rw-r--r--arch/s390/kernel/syscalls.S3
6 files changed, 35 insertions, 15 deletions
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index cc20f0e3a7d..2d021626c1a 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -905,6 +905,26 @@ asmlinkage long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * sta
return ret;
}
+asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename,
+ struct stat64_emu31 __user* statbuf, int flag)
+{
+ struct kstat stat;
+ int error = -EINVAL;
+
+ if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+ goto out;
+
+ if (flag & AT_SYMLINK_NOFOLLOW)
+ error = vfs_lstat_fd(dfd, filename, &stat);
+ else
+ error = vfs_stat_fd(dfd, filename, &stat);
+
+ if (!error)
+ error = cp_stat64(statbuf, &stat);
+out:
+ return error;
+}
+
/*
* Linux/i386 didn't use to be able to handle more than
* 4 system call parameters, so these system calls used a memory
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index ef706694a0c..5291b5f8788 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -195,9 +195,6 @@ sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
return ret;
}
-int
-do_sigaction(int sig, const struct k_sigaction *act, struct k_sigaction *oact);
-
asmlinkage long
sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
struct sigaction32 __user *oact, size_t sigsetsize)
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 83b33fe1923..dd2d6c3e8df 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1523,13 +1523,13 @@ compat_sys_futimesat_wrapper:
llgtr %r4,%r4 # struct timeval *
jg compat_sys_futimesat
- .globl compat_sys_newfstatat_wrapper
-compat_sys_newfstatat_wrapper:
+ .globl sys32_fstatat_wrapper
+sys32_fstatat_wrapper:
llgfr %r2,%r2 # unsigned int
llgtr %r3,%r3 # char *
- llgtr %r4,%r4 # struct stat *
+ llgtr %r4,%r4 # struct stat64 *
lgfr %r5,%r5 # int
- jg compat_sys_newfstatat
+ jg sys32_fstatat
.globl sys_unlinkat_wrapper
sys_unlinkat_wrapper:
@@ -1602,3 +1602,8 @@ compat_sys_ppoll_wrapper:
llgtr %r5,%r5 # const sigset_t *
llgfr %r6,%r6 # size_t
jg compat_sys_ppoll
+
+ .globl sys_unshare_wrapper
+sys_unshare_wrapper:
+ llgfr %r2,%r2 # unsigned long
+ jg sys_unshare
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index f0ed5c642c7..bad81b5832d 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -12,15 +12,16 @@
* on the S390 architecture.
*/
-#include <asm/cio.h>
-#include <asm/setup.h>
#include <linux/device.h>
#include <linux/mm.h>
#include <linux/kexec.h>
#include <linux/delay.h>
+#include <asm/cio.h>
+#include <asm/setup.h>
#include <asm/pgtable.h>
#include <asm/pgalloc.h>
#include <asm/system.h>
+#include <asm/smp.h>
static void kexec_halt_all_cpus(void *);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index cbfcfd02a43..0d1ad5dbe2b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -52,7 +52,7 @@ extern volatile int __cpu_logical_map[];
struct _lowcore *lowcore_ptr[NR_CPUS];
cpumask_t cpu_online_map;
-cpumask_t cpu_possible_map;
+cpumask_t cpu_possible_map = CPU_MASK_ALL;
static struct task_struct *current_set[NR_CPUS];
@@ -514,9 +514,6 @@ __init smp_check_cpus(unsigned int max_cpus)
num_cpus++;
}
- for (cpu = 1; cpu < max_cpus; cpu++)
- cpu_set(cpu, cpu_possible_map);
-
printk("Detected %d CPU's\n",(int) num_cpus);
printk("Boot cpu address %2X\n", boot_cpu_addr);
}
@@ -810,7 +807,6 @@ void __devinit smp_prepare_boot_cpu(void)
cpu_set(0, cpu_online_map);
cpu_set(0, cpu_present_map);
- cpu_set(0, cpu_possible_map);
S390_lowcore.percpu_offset = __per_cpu_offset[0];
current_set[0] = current;
}
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 3280345efac..84921fe8d26 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -301,7 +301,7 @@ SYSCALL(sys_mkdirat,sys_mkdirat,sys_mkdirat_wrapper)
SYSCALL(sys_mknodat,sys_mknodat,sys_mknodat_wrapper) /* 290 */
SYSCALL(sys_fchownat,sys_fchownat,sys_fchownat_wrapper)
SYSCALL(sys_futimesat,sys_futimesat,compat_sys_futimesat_wrapper)
-SYSCALL(sys_newfstatat,sys_newfstatat,compat_sys_newfstatat_wrapper)
+SYSCALL(sys_fstatat64,sys_newfstatat,sys32_fstatat_wrapper)
SYSCALL(sys_unlinkat,sys_unlinkat,sys_unlinkat_wrapper)
SYSCALL(sys_renameat,sys_renameat,sys_renameat_wrapper) /* 295 */
SYSCALL(sys_linkat,sys_linkat,sys_linkat_wrapper)
@@ -311,3 +311,4 @@ SYSCALL(sys_fchmodat,sys_fchmodat,sys_fchmodat_wrapper)
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)