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s390: switch to generic compat rt_sigqueueinfo()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 15:45:24 -05:00
parent bdcf03183c
commit 07562be77d
4 changed files with 2 additions and 17 deletions
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1
arch/s390/Kconfig
View File

@ -141,6 +141,7 @@ config S390
select MODULES_USE_ELF_RELA
select CLONE_BACKWARDS2
select GENERIC_SIGALTSTACK
select GENERIC_COMPAT_RT_SIGQUEUEINFO
select GENERIC_COMPAT_RT_SIGPROCMASK
select GENERIC_COMPAT_RT_SIGPENDING

15
arch/s390/kernel/compat_linux.c
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@ -368,21 +368,6 @@ asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
return ret;
}
asmlinkage long
sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
{
siginfo_t info;
int ret;
mm_segment_t old_fs = get_fs();
if (copy_siginfo_from_user32(&info, uinfo))
return -EFAULT;
set_fs (KERNEL_DS);
ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __force __user *) &info);
set_fs (old_fs);
return ret;
}
asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
size_t count, u32 poshi, u32 poslo)
{

1
arch/s390/kernel/compat_linux.h
View File

@ -115,7 +115,6 @@ long sys32_truncate64(const char __user * path, unsigned long high,
long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
long sys32_sched_rr_get_interval(compat_pid_t pid,
struct compat_timespec __user *interval);
long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo);
long sys32_init_module(void __user *umod, unsigned long len,
const char __user *uargs);
long sys32_delete_module(const char __user *name_user, unsigned int flags);

2
arch/s390/kernel/compat_wrapper.S
View File

@ -716,7 +716,7 @@ ENTRY(sys32_rt_sigqueueinfo_wrapper)
lgfr %r2,%r2 # int
lgfr %r3,%r3 # int
llgtr %r4,%r4 # siginfo_emu31_t *
jg sys32_rt_sigqueueinfo # branch to system call
jg compat_sys_rt_sigqueueinfo # branch to system call
ENTRY(compat_sys_rt_sigsuspend_wrapper)
llgtr %r2,%r2 # compat_sigset_t *