Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932709AbaGUOJs (ORCPT ); Mon, 21 Jul 2014 10:09:48 -0400 Received: from mail.sigma-star.at ([95.130.255.111]:14389 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932578AbaGUOEU (ORCPT ); Mon, 21 Jul 2014 10:04:20 -0400 From: Richard Weinberger To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Richard Weinberger , realmz6@gmail.com, adi-buildroot-devel@lists.sourceforge.net Subject: [PATCH 31/43] blackfin: Use sigsp() Date: Mon, 21 Jul 2014 16:03:17 +0200 Message-Id: <1405951409-16953-32-git-send-email-richard@sigma-star.at> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1405951409-16953-1-git-send-email-richard@sigma-star.at> References: <1405951409-16953-1-git-send-email-richard@sigma-star.at> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Richard Weinberger Use sigsp() instead of the open coded variant. Signed-off-by: Richard Weinberger --- arch/blackfin/kernel/signal.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index 1389cd3..ef27557 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -135,19 +135,11 @@ static inline int rt_setup_sigcontext(struct sigcontext *sc, struct pt_regs *reg return err; } -static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, +static inline void *get_sigframe(struct ksignal *ksig, size_t frame_size) { - unsigned long usp; + unsigned long usp = sigsp(rdusp(), ksig); - /* Default to using normal stack. */ - usp = rdusp(); - - /* This is the X/Open sanctioned signal stack switching. */ - if (ka->sa.sa_flags & SA_ONSTACK) { - if (!on_sig_stack(usp)) - usp = current->sas_ss_sp + current->sas_ss_size; - } return (void *)((usp - frame_size) & -8UL); } @@ -157,7 +149,7 @@ setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) struct rt_sigframe *frame; int err = 0; - frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); + frame = get_sigframe(ksig, sizeof(*frame)); err |= __put_user((current_thread_info()->exec_domain && current_thread_info()->exec_domain->signal_invmap -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/