Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933080AbaGUORa (ORCPT ); Mon, 21 Jul 2014 10:17:30 -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 S932440AbaGUOD7 (ORCPT ); Mon, 21 Jul 2014 10:03:59 -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 04/43] blackfin: Use get_signal() signal_setup_done() Date: Mon, 21 Jul 2014 16:02:50 +0200 Message-Id: <1405951409-16953-5-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 the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger --- arch/blackfin/kernel/signal.c | 39 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c index b022af6..1389cd3 100644 --- a/arch/blackfin/kernel/signal.c +++ b/arch/blackfin/kernel/signal.c @@ -152,23 +152,22 @@ static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, } static int -setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info, - sigset_t * set, struct pt_regs *regs) +setup_rt_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs) { struct rt_sigframe *frame; int err = 0; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); err |= __put_user((current_thread_info()->exec_domain && current_thread_info()->exec_domain->signal_invmap - && sig < 32 + && ksig->sig < 32 ? current_thread_info()->exec_domain-> - signal_invmap[sig] : sig), &frame->sig); + signal_invmap[ksig->sig] : ksig->sig), &frame->sig); err |= __put_user(&frame->info, &frame->pinfo); err |= __put_user(&frame->uc, &frame->puc); - err |= copy_siginfo_to_user(&frame->info, info); + err |= copy_siginfo_to_user(&frame->info, &ksig->info); /* Create the ucontext. */ err |= __put_user(0, &frame->uc.uc_flags); @@ -183,7 +182,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info, /* Set up registers for signal handler */ if (current->personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = - (struct fdpic_func_descriptor *) ka->sa.sa_handler; + (struct fdpic_func_descriptor *) ksig->ka.sa.sa_handler; u32 pc, p3; err |= __get_user(pc, &funcptr->text); err |= __get_user(p3, &funcptr->GOT); @@ -192,7 +191,7 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info, regs->pc = pc; regs->p3 = p3; } else - regs->pc = (unsigned long)ka->sa.sa_handler; + regs->pc = (unsigned long)ksig->ka.sa.sa_handler; wrusp((unsigned long)frame); regs->rets = SIGRETURN_STUB; @@ -237,20 +236,19 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) * OK, we're invoking a handler */ static void -handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, - struct pt_regs *regs) +handle_signal(struct ksignal *ksig, struct pt_regs *regs) { + int ret; + /* are we from a system call? to see pt_regs->orig_p0 */ if (regs->orig_p0 >= 0) /* If so, check system call restarting.. */ - handle_restart(regs, ka, 1); + handle_restart(regs, &ksig->ka, 1); /* set up the stack frame */ - if (setup_rt_frame(sig, ka, info, sigmask_to_save(), regs) < 0) - force_sigsegv(sig, current); - else - signal_delivered(sig, info, ka, regs, - test_thread_flag(TIF_SINGLESTEP)); + ret = setup_rt_frame(ksig, sigmask_to_save(), regs); + + signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP)); } /* @@ -264,16 +262,13 @@ handle_signal(int sig, siginfo_t *info, struct k_sigaction *ka, */ asmlinkage void do_signal(struct pt_regs *regs) { - siginfo_t info; - int signr; - struct k_sigaction ka; + struct ksignal ksig; current->thread.esp0 = (unsigned long)regs; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { + if (get_signal(&ksig)) { /* Whee! Actually deliver the signal. */ - handle_signal(signr, &info, &ka, regs); + handle_signal(&ksig, regs); return; } -- 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/