Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
  [S390] Add missing compat system call wrappers.
  [S390] etr/stp: fix possible deadlock
  [S390] cputime: fix lowcore initialization on cpu hotplug
  [S390] fix compat sigaltstack syscall table entry
  [S390] personality: fix personality loss on execve

diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index d480f39d65e647d74da4c5ae1f97c81c3e3c8e7b..74d0bbb7d955a53d863f97b6577c2ddf35d018fb 100644 (file)
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -172,14 +172,14 @@ extern char elf_platform[];
 #ifndef __s390x__
 #define SET_PERSONALITY(ex) set_personality(PER_LINUX)
 #else /* __s390x__ */
-#define SET_PERSONALITY(ex)                            \
-do {                                                   \
-       if (current->personality != PER_LINUX32)        \
-               set_personality(PER_LINUX);             \
-       if ((ex).e_ident[EI_CLASS] == ELFCLASS32)       \
-               set_thread_flag(TIF_31BIT);             \
-       else                                            \
-               clear_thread_flag(TIF_31BIT);           \
+#define SET_PERSONALITY(ex)                                    \
+do {                                                           \
+       if (personality(current->personality) != PER_LINUX32)   \
+               set_personality(PER_LINUX);                     \
+       if ((ex).e_ident[EI_CLASS] == ELFCLASS32)               \
+               set_thread_flag(TIF_31BIT);                     \
+       else                                                    \
+               clear_thread_flag(TIF_31BIT);                   \
 } while (0)
 #endif /* __s390x__ */
 

diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 6035cd20c7a7c542edf4e63af14200242998358f..62c706eb0de6d427401a2325dbb73e6982eec6a8 100644 (file)
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1767,3 +1767,41 @@ sys_dup3_wrapper:
 sys_epoll_create1_wrapper:
        lgfr    %r2,%r2                 # int
        jg      sys_epoll_create1       # branch to system call
+
+       .globl  sys32_readahead_wrapper
+sys32_readahead_wrapper:
+       lgfr    %r2,%r2                 # int
+       llgfr   %r3,%r3                 # u32
+       llgfr   %r4,%r4                 # u32
+       lgfr    %r5,%r5                 # s32
+       jg      sys32_readahead         # branch to system call
+
+       .globl  sys32_sendfile64_wrapper
+sys32_sendfile64_wrapper:
+       lgfr    %r2,%r2                 # int
+       lgfr    %r3,%r3                 # int
+       llgtr   %r4,%r4                 # compat_loff_t *
+       lgfr    %r5,%r5                 # s32
+       jg      sys32_sendfile64        # branch to system call
+
+       .globl  sys_tkill_wrapper
+sys_tkill_wrapper:
+       lgfr    %r2,%r2                 # pid_t
+       lgfr    %r3,%r3                 # int
+       jg      sys_tkill               # branch to system call
+
+       .globl  sys_tgkill_wrapper
+sys_tgkill_wrapper:
+       lgfr    %r2,%r2                 # pid_t
+       lgfr    %r3,%r3                 # pid_t
+       lgfr    %r4,%r4                 # int
+       jg      sys_tgkill              # branch to system call
+
+       .globl  compat_sys_keyctl_wrapper
+compat_sys_keyctl_wrapper:
+       llgfr   %r2,%r2                 # u32
+       llgfr   %r3,%r3                 # u32
+       llgfr   %r4,%r4                 # u32
+       llgfr   %r5,%r5                 # u32
+       llgfr   %r6,%r6                 # u32
+       jg      compat_sys_keyctl       # branch to system call

diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 76d16e0140bb97789f76bd1e0b3f72230159dbc3..fe5b25a988abedaf6f79e6b6f532831d4fe6404a 100644 (file)
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -194,7 +194,7 @@ SYSCALL(sys_chown16,sys_ni_syscall,sys32_chown16_wrapper)   /* old chown16 syscall
 SYSCALL(sys_getcwd,sys_getcwd,sys32_getcwd_wrapper)
 SYSCALL(sys_capget,sys_capget,sys32_capget_wrapper)
 SYSCALL(sys_capset,sys_capset,sys32_capset_wrapper)            /* 185 */
-SYSCALL(sys_sigaltstack,sys_sigaltstack,sys32_sigaltstack)
+SYSCALL(sys_sigaltstack,sys_sigaltstack,sys32_sigaltstack_wrapper)
 SYSCALL(sys_sendfile,sys_sendfile64,sys32_sendfile_wrapper)
 NI_SYSCALL                                                     /* streams1 */
 NI_SYSCALL                                                     /* streams2 */
@@ -230,8 +230,8 @@ SYSCALL(sys_mincore,sys_mincore,sys32_mincore_wrapper)
 SYSCALL(sys_madvise,sys_madvise,sys32_madvise_wrapper)
 SYSCALL(sys_getdents64,sys_getdents64,sys32_getdents64_wrapper)        /* 220 */
 SYSCALL(sys_fcntl64,sys_ni_syscall,compat_sys_fcntl64_wrapper)
-SYSCALL(sys_readahead,sys_readahead,sys32_readahead)
-SYSCALL(sys_sendfile64,sys_ni_syscall,sys32_sendfile64)
+SYSCALL(sys_readahead,sys_readahead,sys32_readahead_wrapper)
+SYSCALL(sys_sendfile64,sys_ni_syscall,sys32_sendfile64_wrapper)
 SYSCALL(sys_setxattr,sys_setxattr,sys32_setxattr_wrapper)
 SYSCALL(sys_lsetxattr,sys_lsetxattr,sys32_lsetxattr_wrapper)   /* 225 */
 SYSCALL(sys_fsetxattr,sys_fsetxattr,sys32_fsetxattr_wrapper)
@@ -245,11 +245,11 @@ SYSCALL(sys_removexattr,sys_removexattr,sys32_removexattr_wrapper)
 SYSCALL(sys_lremovexattr,sys_lremovexattr,sys32_lremovexattr_wrapper)
 SYSCALL(sys_fremovexattr,sys_fremovexattr,sys32_fremovexattr_wrapper)  /* 235 */
 SYSCALL(sys_gettid,sys_gettid,sys_gettid)
-SYSCALL(sys_tkill,sys_tkill,sys_tkill)
+SYSCALL(sys_tkill,sys_tkill,sys_tkill_wrapper)
 SYSCALL(sys_futex,sys_futex,compat_sys_futex_wrapper)
 SYSCALL(sys_sched_setaffinity,sys_sched_setaffinity,sys32_sched_setaffinity_wrapper)
 SYSCALL(sys_sched_getaffinity,sys_sched_getaffinity,sys32_sched_getaffinity_wrapper)   /* 240 */
-SYSCALL(sys_tgkill,sys_tgkill,sys_tgkill)
+SYSCALL(sys_tgkill,sys_tgkill,sys_tgkill_wrapper)
 NI_SYSCALL                                                     /* reserved for TUX */
 SYSCALL(sys_io_setup,sys_io_setup,sys32_io_setup_wrapper)
 SYSCALL(sys_io_destroy,sys_io_destroy,sys32_io_destroy_wrapper)
@@ -288,7 +288,7 @@ SYSCALL(sys_mq_getsetattr,sys_mq_getsetattr,compat_sys_mq_getsetattr_wrapper)
 SYSCALL(sys_kexec_load,sys_kexec_load,compat_sys_kexec_load_wrapper)
 SYSCALL(sys_add_key,sys_add_key,compat_sys_add_key_wrapper)
 SYSCALL(sys_request_key,sys_request_key,compat_sys_request_key_wrapper)
-SYSCALL(sys_keyctl,sys_keyctl,compat_sys_keyctl)               /* 280 */
+SYSCALL(sys_keyctl,sys_keyctl,compat_sys_keyctl_wrapper)               /* 280 */
 SYSCALL(sys_waitid,sys_waitid,compat_sys_waitid_wrapper)
 SYSCALL(sys_ioprio_set,sys_ioprio_set,sys_ioprio_set_wrapper)
 SYSCALL(sys_ioprio_get,sys_ioprio_get,sys_ioprio_get_wrapper)

diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index d649600df5b9a887c17f6770ad878e8820c51d92..fc468cae4460ace449d92250f777f70490a25380 100644 (file)
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -399,8 +399,10 @@ static struct workqueue_struct *time_sync_wq;
 
 static void __init time_init_wq(void)
 {
-       if (!time_sync_wq)
-               time_sync_wq = create_singlethread_workqueue("timesync");
+       if (time_sync_wq)
+               return;
+       time_sync_wq = create_singlethread_workqueue("timesync");
+       stop_machine_create();
 }
 
 /*

diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 2fb36e462194134f53d3a7a2886938be36bf1548..ecf0304e61c1af6135a4a781a3a7b546dd77c84e 100644 (file)
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -516,8 +516,12 @@ EXPORT_SYMBOL(del_virt_timer);
  */
 void init_cpu_vtimer(void)
 {
+       struct thread_info *ti = current_thread_info();
        struct vtimer_queue *vq;
 
+       S390_lowcore.user_timer = ti->user_timer;
+       S390_lowcore.system_timer = ti->system_timer;
+
        /* kick the virtual timer */
        asm volatile ("STCK %0" : "=m" (S390_lowcore.last_update_clock));
        asm volatile ("STPT %0" : "=m" (S390_lowcore.last_update_timer));