diff options
Diffstat (limited to 'arch/frv')
| -rw-r--r-- | arch/frv/Kconfig | 1 | ||||
| -rw-r--r-- | arch/frv/kernel/signal.c | 13 |
2 files changed, 3 insertions, 11 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index 9d262645f66..8aaf1a17427 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -12,6 +12,7 @@ config FRV select ARCH_HAVE_NMI_SAFE_CMPXCHG select GENERIC_CPU_DEVICES select ARCH_WANT_IPC_PARSE_VERSION + select GENERIC_SIGALTSTACK config ZONE_DMA bool diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index 535810a3217..445156d2d30 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -74,13 +74,6 @@ asmlinkage int sys_sigaction(int sig, return ret; } -asmlinkage -int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - return do_sigaltstack(uss, uoss, __frame->sp); -} - - /* * Do a signal return; undo the signal stack. */ @@ -173,7 +166,7 @@ asmlinkage int sys_rt_sigreturn(void) if (restore_sigcontext(&frame->uc.uc_mcontext, &gr8)) goto badframe; - if (do_sigaltstack(&frame->uc.uc_stack, NULL, __frame->sp) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return gr8; @@ -345,9 +338,7 @@ 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(NULL, &frame->uc.uc_link) || - __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) || - __put_user(sas_ss_flags(__frame->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, __frame->sp)) goto give_sigsegv; if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0])) |