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arm64: switch to generic compat rt_sigprocmask() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-25 13:57:16 -05:00
parent 207bdae452
commit 630cfbbbe6
2 changed files with 1 additions and 33 deletions
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1
arch/arm64/Kconfig
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@ -6,6 +6,7 @@ config ARM64
select CLONE_BACKWARDS select CLONE_BACKWARDS
select COMMON_CLK select COMMON_CLK
select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS
select GENERIC_COMPAT_RT_SIGPROCMASK
select GENERIC_HARDIRQS_NO_DEPRECATED select GENERIC_HARDIRQS_NO_DEPRECATED
select GENERIC_IOMAP select GENERIC_IOMAP
select GENERIC_IRQ_PROBE select GENERIC_IRQ_PROBE

33
arch/arm64/kernel/signal32.c
View File

@ -693,39 +693,6 @@ int compat_setup_frame(int usig, struct k_sigaction *ka, sigset_t *set,
return err; return err;
} }
/*
* RT signals don't have generic compat wrappers.
* See arch/powerpc/kernel/signal_32.c
*/
asmlinkage int compat_sys_rt_sigprocmask(int how, compat_sigset_t __user *set,
compat_sigset_t __user *oset,
compat_size_t sigsetsize)
{
sigset_t s;
sigset_t __user *up;
int ret;
mm_segment_t old_fs = get_fs();
if (set) {
if (get_sigset_t(&s, set))
return -EFAULT;
}
set_fs(KERNEL_DS);
/* This is valid because of the set_fs() */
up = (sigset_t __user *) &s;
ret = sys_rt_sigprocmask(how, set ? up : NULL, oset ? up : NULL,
sigsetsize);
set_fs(old_fs);
if (ret)
return ret;
if (oset) {
if (put_sigset_t(oset, &s))
return -EFAULT;
}
return 0;
}
asmlinkage int compat_sys_rt_sigpending(compat_sigset_t __user *set, asmlinkage int compat_sys_rt_sigpending(compat_sigset_t __user *set,
compat_size_t sigsetsize) compat_size_t sigsetsize)
{ {