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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-26 18:26:27 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-26 18:26:27 (GMT) |
commit | 9f4863b7dc7f545bb3a01746feafdc1208e86c89 (patch) | |
tree | eb4594cc26c2b8aeac7571823192b1ba374dfd3e /arch | |
parent | 832fb4a01ca27ded735421de2b090f03e20039fc (diff) | |
parent | e34a6280419a24297e6603075ac5af6ce9f13562 (diff) | |
download | linux-9f4863b7dc7f545bb3a01746feafdc1208e86c89.tar.xz |
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
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/include/asm/elf.h | 16 | ||||
-rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 38 | ||||
-rw-r--r-- | arch/s390/kernel/syscalls.S | 12 | ||||
-rw-r--r-- | arch/s390/kernel/time.c | 6 | ||||
-rw-r--r-- | arch/s390/kernel/vtime.c | 4 |
5 files changed, 60 insertions, 16 deletions
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index d480f39..74d0bbb 100644 --- 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 6035cd2..62c706e 100644 --- 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 76d16e0..fe5b25a 100644 --- 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 d649600..fc468ca 100644 --- 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 2fb36e4..ecf0304 100644 --- 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)); |