Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 50ececcf authored by Al Viro's avatar Al Viro
Browse files

alpha: switch to generic sigaltstack 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent c40702c4

arch/alpha/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ config ALPHA 
	select GENERIC_STRNLEN_USER

	select HAVE_MOD_ARCH_SPECIFIC

	select MODULES_USE_ELF_RELA

	select GENERIC_SIGALTSTACK

	help

	  The Alpha is a 64-bit general-purpose processor designed and

	  marketed by the Digital Equipment Corporation of blessed memory,

arch/alpha/kernel/signal.c

+1 −9
Original line number Diff line number Diff line
@@ -122,12 +122,6 @@ SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask) 
	return sigsuspend(&blocked);

}



asmlinkage int

sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)

{

	return do_sigaltstack(uss, uoss, rdusp());

}



/*

 * Do a signal return; undo the signal stack.

 */
@@ -418,9 +412,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, 
	err |= __put_user(0, &frame->uc.uc_flags);

	err |= __put_user(0, &frame->uc.uc_link);

	err |= __put_user(set->sig[0], &frame->uc.uc_osf_sigmask);

	err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);

	err |= __put_user(sas_ss_flags(oldsp), &frame->uc.uc_stack.ss_flags);

	err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);

	err |= __save_altstack(&frame->uc.uc_stack, oldsp);

	err |= setup_sigcontext(&frame->uc.uc_mcontext, regs, 

				set->sig[0], oldsp);

	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));