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arm64: switch to generic compat rt_sigqueueinfo() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 15:50:19 -05:00
parent 67cf48fe25
commit 4cd2b2fa61
2 changed files with 1 additions and 18 deletions
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1
arch/arm64/Kconfig
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@ -8,6 +8,7 @@ config ARM64
select GENERIC_CLOCKEVENTS
select GENERIC_COMPAT_RT_SIGPENDING
select GENERIC_COMPAT_RT_SIGPROCMASK
select GENERIC_COMPAT_RT_SIGQUEUEINFO
select GENERIC_HARDIRQS_NO_DEPRECATED
select GENERIC_IOMAP
select GENERIC_IRQ_PROBE

18
arch/arm64/kernel/signal32.c
View File

@ -693,24 +693,6 @@ int compat_setup_frame(int usig, struct k_sigaction *ka, sigset_t *set,
return err;
}
asmlinkage int compat_sys_rt_sigqueueinfo(int pid, int sig,
compat_siginfo_t __user *uinfo)
{
siginfo_t info;
int ret;
mm_segment_t old_fs = get_fs();
ret = copy_siginfo_from_user32(&info, uinfo);
if (unlikely(ret))
return ret;
set_fs (KERNEL_DS);
/* The __user pointer cast is valid because of the set_fs() */
ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *) &info);
set_fs (old_fs);
return ret;
}
void compat_setup_restart_syscall(struct pt_regs *regs)
{
regs->regs[7] = __NR_compat_restart_syscall;