diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/hexagon/Kconfig | 1 | ||||
| -rw-r--r-- | arch/hexagon/kernel/signal.c | 15 |
2 files changed, 2 insertions, 14 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig index 0744f7d..3e6e27c 100644 --- a/arch/hexagon/Kconfig +++ b/arch/hexagon/Kconfig @@ -31,6 +31,7 @@ config HEXAGON select GENERIC_CLOCKEVENTS select GENERIC_CLOCKEVENTS_BROADCAST select MODULES_USE_ELF_RELA + select GENERIC_SIGALTSTACK ---help--- Qualcomm Hexagon is a processor architecture designed for high performance and low power across a wide variety of applications. diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index fe0d137..46ebd479 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -247,12 +247,6 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) /* * Architecture-specific wrappers for signal-related system calls */ -asmlinkage int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss) -{ - struct pt_regs *regs = current_pt_regs(); - - return do_sigaltstack(uss, uoss, regs->r29); -} asmlinkage int sys_rt_sigreturn(void) { @@ -288,14 +282,7 @@ asmlinkage int sys_rt_sigreturn(void) */ regs->syscall_nr = __NR_rt_sigreturn; - /* - * If we were meticulous, we'd only call this if we knew that - * we were actually going to use an alternate stack, and we'd - * consider any error to be fatal. What we do here, in common - * with many other architectures, is call it blindly and only - * consider the -EFAULT return case to be proof of a problem. - */ - if (do_sigaltstack(&frame->uc.uc_stack, NULL, pt_psp(regs)) == -EFAULT) + if (restore_altstack(&frame->uc.uc_stack)) goto badframe; return 0; |
