From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Weinberger Subject: [PATCH 25/44] Rip out get_signal_to_deliver() Date: Mon, 3 Mar 2014 00:59:08 +0100 Message-ID: <1393804758-7916-3-git-send-email-richard@nod.at> References: <1393804758-7916-1-git-send-email-richard@nod.at> Return-path: In-Reply-To: <1393804758-7916-1-git-send-email-richard@nod.at> Sender: linux-kernel-owner@vger.kernel.org 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, cmetcalf@tilera.com, gxt@mprc.pku.edu.cn, linux-xtensa@linux-xtensa.org, akpm@linux-foundation.org, oleg@redhat.com, tj@kernel.org, hch@infradead.org, Richard Weinberger List-Id: linux-arch.vger.kernel.org Now we can turn get_signal() to the main function. Signed-off-by: Richard Weinberger --- include/linux/signal.h | 14 +------------- kernel/signal.c | 23 ++++++++++++----------- 2 files changed, 13 insertions(+), 24 deletions(-) diff --git a/include/linux/signal.h b/include/linux/signal.h index 2ac423b..33177f5 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -285,23 +285,11 @@ struct ksignal { int sig; }; -extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie); +extern int get_signal(struct ksignal *ksig); extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping); extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping); extern void exit_signals(struct task_struct *tsk); -/* - * Eventually that'll replace get_signal_to_deliver(); macro for now, - * to avoid nastiness with include order. - */ -#define get_signal(ksig) \ -({ \ - struct ksignal *p = (ksig); \ - p->sig = get_signal_to_deliver(&p->info, &p->ka, \ - signal_pt_regs(), NULL);\ - p->sig > 0; \ -}) - extern struct kmem_cache *sighand_cachep; int unhandled_signal(struct task_struct *tsk, int sig); diff --git a/kernel/signal.c b/kernel/signal.c index 52f881d..bd649bd 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2189,8 +2189,7 @@ static int ptrace_signal(int signr, siginfo_t *info) return signr; } -int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, - struct pt_regs *regs, void *cookie) +int get_signal(struct ksignal *ksig) { struct sighand_struct *sighand = current->sighand; struct signal_struct *signal = current->signal; @@ -2260,13 +2259,13 @@ relock: goto relock; } - signr = dequeue_signal(current, ¤t->blocked, info); + signr = dequeue_signal(current, ¤t->blocked, &ksig->info); if (!signr) break; /* will return 0 */ if (unlikely(current->ptrace) && signr != SIGKILL) { - signr = ptrace_signal(signr, info); + signr = ptrace_signal(signr, &ksig->info); if (!signr) continue; } @@ -2274,13 +2273,13 @@ relock: ka = &sighand->action[signr-1]; /* Trace actually delivered signals. */ - trace_signal_deliver(signr, info, ka); + trace_signal_deliver(signr, &ksig->info, ka); if (ka->sa.sa_handler == SIG_IGN) /* Do nothing. */ continue; if (ka->sa.sa_handler != SIG_DFL) { /* Run the handler. */ - *return_ka = *ka; + ksig->ka = *ka; if (ka->sa.sa_flags & SA_ONESHOT) ka->sa.sa_handler = SIG_DFL; @@ -2330,7 +2329,7 @@ relock: spin_lock_irq(&sighand->siglock); } - if (likely(do_signal_stop(info->si_signo))) { + if (likely(do_signal_stop(ksig->info.si_signo))) { /* It released the siglock. */ goto relock; } @@ -2351,7 +2350,7 @@ relock: if (sig_kernel_coredump(signr)) { if (print_fatal_signals) - print_fatal_signal(info->si_signo); + print_fatal_signal(ksig->info.si_signo); proc_coredump_connector(current); /* * If it was able to dump core, this kills all @@ -2361,17 +2360,19 @@ relock: * first and our do_group_exit call below will use * that value and ignore the one we pass it. */ - do_coredump(info); + do_coredump(&ksig->info); } /* * Death signals, no core dump. */ - do_group_exit(info->si_signo); + do_group_exit(ksig->info.si_signo); /* NOTREACHED */ } spin_unlock_irq(&sighand->siglock); - return signr; + + ksig->sig = signr; + return ksig->sig > 0; } /** -- 1.8.4.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.sigma-star.at ([95.130.255.111]:62410 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754254AbaCBX7e (ORCPT ); Sun, 2 Mar 2014 18:59:34 -0500 From: Richard Weinberger Subject: [PATCH 25/44] Rip out get_signal_to_deliver() Date: Mon, 3 Mar 2014 00:59:08 +0100 Message-ID: <1393804758-7916-3-git-send-email-richard@nod.at> In-Reply-To: <1393804758-7916-1-git-send-email-richard@nod.at> References: <1393804758-7916-1-git-send-email-richard@nod.at> Sender: linux-arch-owner@vger.kernel.org List-ID: 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, cmetcalf@tilera.com, gxt@mprc.pku.edu.cn, linux-xtensa@linux-xtensa.org, akpm@linux-foundation.org, oleg@redhat.com, tj@kernel.org, hch@infradead.org, Richard Weinberger Message-ID: <20140302235908.Q84WpNn8nIIVXfOe2-AVrbw7BiGBxFOqRbq1Ys4NFRU@z> Now we can turn get_signal() to the main function. Signed-off-by: Richard Weinberger --- include/linux/signal.h | 14 +------------- kernel/signal.c | 23 ++++++++++++----------- 2 files changed, 13 insertions(+), 24 deletions(-) diff --git a/include/linux/signal.h b/include/linux/signal.h index 2ac423b..33177f5 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -285,23 +285,11 @@ struct ksignal { int sig; }; -extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie); +extern int get_signal(struct ksignal *ksig); extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping); extern void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs, int stepping); extern void exit_signals(struct task_struct *tsk); -/* - * Eventually that'll replace get_signal_to_deliver(); macro for now, - * to avoid nastiness with include order. - */ -#define get_signal(ksig) \ -({ \ - struct ksignal *p = (ksig); \ - p->sig = get_signal_to_deliver(&p->info, &p->ka, \ - signal_pt_regs(), NULL);\ - p->sig > 0; \ -}) - extern struct kmem_cache *sighand_cachep; int unhandled_signal(struct task_struct *tsk, int sig); diff --git a/kernel/signal.c b/kernel/signal.c index 52f881d..bd649bd 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2189,8 +2189,7 @@ static int ptrace_signal(int signr, siginfo_t *info) return signr; } -int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, - struct pt_regs *regs, void *cookie) +int get_signal(struct ksignal *ksig) { struct sighand_struct *sighand = current->sighand; struct signal_struct *signal = current->signal; @@ -2260,13 +2259,13 @@ relock: goto relock; } - signr = dequeue_signal(current, ¤t->blocked, info); + signr = dequeue_signal(current, ¤t->blocked, &ksig->info); if (!signr) break; /* will return 0 */ if (unlikely(current->ptrace) && signr != SIGKILL) { - signr = ptrace_signal(signr, info); + signr = ptrace_signal(signr, &ksig->info); if (!signr) continue; } @@ -2274,13 +2273,13 @@ relock: ka = &sighand->action[signr-1]; /* Trace actually delivered signals. */ - trace_signal_deliver(signr, info, ka); + trace_signal_deliver(signr, &ksig->info, ka); if (ka->sa.sa_handler == SIG_IGN) /* Do nothing. */ continue; if (ka->sa.sa_handler != SIG_DFL) { /* Run the handler. */ - *return_ka = *ka; + ksig->ka = *ka; if (ka->sa.sa_flags & SA_ONESHOT) ka->sa.sa_handler = SIG_DFL; @@ -2330,7 +2329,7 @@ relock: spin_lock_irq(&sighand->siglock); } - if (likely(do_signal_stop(info->si_signo))) { + if (likely(do_signal_stop(ksig->info.si_signo))) { /* It released the siglock. */ goto relock; } @@ -2351,7 +2350,7 @@ relock: if (sig_kernel_coredump(signr)) { if (print_fatal_signals) - print_fatal_signal(info->si_signo); + print_fatal_signal(ksig->info.si_signo); proc_coredump_connector(current); /* * If it was able to dump core, this kills all @@ -2361,17 +2360,19 @@ relock: * first and our do_group_exit call below will use * that value and ignore the one we pass it. */ - do_coredump(info); + do_coredump(&ksig->info); } /* * Death signals, no core dump. */ - do_group_exit(info->si_signo); + do_group_exit(ksig->info.si_signo); /* NOTREACHED */ } spin_unlock_irq(&sighand->siglock); - return signr; + + ksig->sig = signr; + return ksig->sig > 0; } /** -- 1.8.4.2