Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756604Ab3JHLg0 (ORCPT ); Tue, 8 Oct 2013 07:36:26 -0400 Received: from b.ns.miles-group.at ([95.130.255.144]:1662 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755132Ab3JHLe5 (ORCPT ); Tue, 8 Oct 2013 07:34:57 -0400 From: Richard Weinberger To: linux-kernel@vger.kernel.org Cc: linux-arch@vger.kernel.org, viro@zeniv.linux.org.uk, vgupta@synopsys.com, catalin.marinas@arm.com, will.deacon@arm.com, hskinnemoen@gmail.com, egtvedt@samfundet.no, vapier@gentoo.org, msalter@redhat.com, a-jacquiot@ti.com, starvik@axis.com, jesper.nilsson@axis.com, dhowells@redhat.com, rkuo@codeaurora.org, tony.luck@intel.com, fenghua.yu@intel.com, takata@linux-m32r.org, geert@linux-m68k.org, james.hogan@imgtec.com, monstr@monstr.eu, yasutake.koichi@jp.panasonic.com, ralf@linux-mips.org, jonas@southpole.se, jejb@parisc-linux.org, deller@gmx.de, benh@kernel.crashing.org, paulus@samba.org, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, liqin.linux@gmail.com, lennox.wu@gmail.com, lethal@linux-sh.org, cmetcalf@tilera.com, gxt@mprc.pku.edu.cn, linux-xtensa@linux-xtensa.org, akpm@linux-foundation.org, oleg@redhat.com, tj@kernel.org, Richard Weinberger Subject: [PATCH 21/29] score: Use get_signal() signal_setup_done() Date: Tue, 8 Oct 2013 13:34:41 +0200 Message-Id: <1381232085-4288-2-git-send-email-richard@nod.at> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1381232085-4288-1-git-send-email-richard@nod.at> References: <1381232085-4288-1-git-send-email-richard@nod.at> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3951 Lines: 126 Use the more generic functions get_signal() signal_setup_done() for signal delivery. Signed-off-by: Richard Weinberger --- arch/score/kernel/signal.c | 43 ++++++++++++++++++------------------------- 1 file changed, 18 insertions(+), 25 deletions(-) diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c index a00fba3..1651807 100644 --- a/arch/score/kernel/signal.c +++ b/arch/score/kernel/signal.c @@ -173,15 +173,15 @@ badframe: return 0; } -static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, - int signr, sigset_t *set, siginfo_t *info) +static int setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs, + sigset_t *set) { struct rt_sigframe __user *frame; int err = 0; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(&ksig->ka, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; + return -EFAULT; /* * Set up the return code ... @@ -194,7 +194,7 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __put_user(0x80008002, frame->rs_code + 1); flush_cache_sigtramp((unsigned long) frame->rs_code); - err |= copy_siginfo_to_user(&frame->rs_info, info); + err |= copy_siginfo_to_user(&frame->rs_info, &ksig->info); err |= __put_user(0, &frame->rs_uc.uc_flags); err |= __put_user(NULL, &frame->rs_uc.uc_link); err |= __save_altstack(&frame->rs_uc.uc_stack, regs->regs[0]); @@ -202,26 +202,23 @@ static int setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs, err |= __copy_to_user(&frame->rs_uc.uc_sigmask, set, sizeof(*set)); if (err) - goto give_sigsegv; + return -EFAULT; regs->regs[0] = (unsigned long) frame; regs->regs[3] = (unsigned long) frame->rs_code; - regs->regs[4] = signr; + regs->regs[4] = ksig->sig; regs->regs[5] = (unsigned long) &frame->rs_info; regs->regs[6] = (unsigned long) &frame->rs_uc; - regs->regs[29] = (unsigned long) ka->sa.sa_handler; - regs->cp0_epc = (unsigned long) ka->sa.sa_handler; + regs->regs[29] = (unsigned long) ksig->ka.sa.sa_handler; + regs->cp0_epc = (unsigned long) ksig->ka.sa.sa_handler; return 0; - -give_sigsegv: - force_sigsegv(signr, current); - return -EFAULT; } -static void handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, struct pt_regs *regs) +static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) { + int ret; + if (regs->is_syscall) { switch (regs->regs[4]) { case ERESTART_RESTARTBLOCK: @@ -229,7 +226,7 @@ static void handle_signal(unsigned long sig, siginfo_t *info, regs->regs[4] = EINTR; break; case ERESTARTSYS: - if (!(ka->sa.sa_flags & SA_RESTART)) { + if (!(ksig->ka.sa.sa_flags & SA_RESTART)) { regs->regs[4] = EINTR; break; } @@ -245,17 +242,14 @@ static void handle_signal(unsigned long sig, siginfo_t *info, /* * Set up the stack frame */ - if (setup_rt_frame(ka, regs, sig, sigmask_to_save(), info) < 0) - return; + ret = setup_rt_frame(ksig, regs, sigmask_to_save()); - signal_delivered(sig, info, ka, regs, 0); + signal_setup_done(ret, ksig, 0); } static void do_signal(struct pt_regs *regs) { - struct k_sigaction ka; - siginfo_t info; - int signr; + struct ksignal ksig; /* * We want the common case to go fast, which is why we may in certain @@ -265,10 +259,9 @@ static void do_signal(struct pt_regs *regs) if (!user_mode(regs)) return; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { + if (get_signal(&ksig)) { /* Actually deliver the signal. */ - handle_signal(signr, &info, &ka, regs); + handle_signal(&ksig, regs); return; } -- 1.8.1.4 -- 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/