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Commit 4cd2b2fa authored by Al Viro's avatar Al Viro
Browse files

arm64: switch to generic compat rt_sigqueueinfo() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 67cf48fe

arch/arm64/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm64/kernel/signal32.c

+0 −18
Original line number Diff line number Diff line
@@ -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;