diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-23 12:17:06 +0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-04 03:16:03 +0400 |
| commit | b30c7d50af95f7450f877e8172a2341785bce5ab (patch) | |
| tree | ff62572b1238e723a61161fb747961c751ea1aa0 | |
| parent | 0aa0203fb43f04714004b2c4ad33b858e240555d (diff) | |
| download | linux-b30c7d50af95f7450f877e8172a2341785bce5ab.tar.xz | |
mn10300: switch to generic sigaltstack
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/mn10300/Kconfig | 1 | ||||
| -rw-r--r-- | arch/mn10300/kernel/signal.c | 15 |
2 files changed, 3 insertions, 13 deletions
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index e70001cfa05b..cb5022029606 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -10,6 +10,7 @@ config MN10300 select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER select GENERIC_CLOCKEVENTS select MODULES_USE_ELF_RELA + select GENERIC_SIGALTSTACK config AM33_2 def_bool n diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c index f570b3085ef9..8223eb371e65 100644 --- a/arch/mn10300/kernel/signal.c +++ b/arch/mn10300/kernel/signal.c @@ -77,14 +77,6 @@ asmlinkage long sys_sigaction(int sig, } /* - * set alternate signal stack syscall - */ -asmlinkage long sys_sigaltstack(const stack_t __user *uss, stack_t *uoss) -{ - return do_sigaltstack(uss, uoss, current_frame()->sp); -} - -/* * do a signal return; undo the signal stack. */ static int restore_sigcontext(struct pt_regs *regs, @@ -193,8 +185,7 @@ asmlinkage long sys_rt_sigreturn(void) if (restore_sigcontext(current_frame(), &frame->uc.uc_mcontext, &d0)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, current_frame()->sp) == - -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return d0; @@ -359,9 +350,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* create the ucontext. */ if (__put_user(0, &frame->uc.uc_flags) || __put_user(0, &frame->uc.uc_link) || - __put_user((void *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) || - __put_user(sas_ss_flags(regs->sp), &frame->uc.uc_stack.ss_flags) || - __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size) || + __save_altstack(&frame->uc.uc_stack, regs->sp) || setup_sigcontext(&frame->uc.uc_mcontext, &frame->fpuctx, regs, set->sig[0]) || __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set))) |