Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932997AbbDKUt1 (ORCPT ); Sat, 11 Apr 2015 16:49:27 -0400 Received: from mail.sigma-star.at ([95.130.255.111]:14392 "EHLO mail.sigma-star.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932804AbbDKUtO (ORCPT ); Sat, 11 Apr 2015 16:49:14 -0400 From: Richard Weinberger To: linux-arch@vger.kernel.org Cc: linux-kernel@vger.kernel.org, rth@twiddle.net, ink@jurassic.park.msu.ru, mattst88@gmail.com, vgupta@synopsys.com, linux@arm.linux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, hskinnemoen@gmail.com, egtvedt@samfundet.no, realmz6@gmail.com, 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, geert@linux-m68k.org, james.hogan@imgtec.com, monstr@monstr.eu, ralf@linux-mips.org, yasutake.koichi@jp.panasonic.com, lftan@altera.com, jonas@southpole.se, jejb@parisc-linux.org, deller@gmx.de, benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, liqin.linux@gmail.com, lennox.wu@gmail.com, davem@davemloft.net, cmetcalf@ezchip.com, jdike@addtoit.com, akpm@linux-foundation.org, oleg@redhat.com, hch@infradead.org, viro@zeniv.linux.org.uk, torvalds@linux-foundation.org, Richard Weinberger Subject: [PATCH 15/24] sh: Remove signal translation and exec_domain Date: Sat, 11 Apr 2015 22:47:54 +0200 Message-Id: <1428785283-20501-16-git-send-email-richard@nod.at> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1428785283-20501-1-git-send-email-richard@nod.at> References: <1428785283-20501-1-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: 7823 Lines: 208 As execution domain support is gone we can remove signal translation from the signal code and remove exec_domain from thread_info. Signed-off-by: Richard Weinberger --- arch/sh/include/asm/thread_info.h | 2 -- arch/sh/kernel/asm-offsets.c | 1 - arch/sh/kernel/irq.c | 2 -- arch/sh/kernel/signal_32.c | 18 ++---------------- arch/sh/kernel/signal_64.c | 21 ++++----------------- 5 files changed, 6 insertions(+), 38 deletions(-) diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h index 657c039..2afa321 100644 --- a/arch/sh/include/asm/thread_info.h +++ b/arch/sh/include/asm/thread_info.h @@ -27,7 +27,6 @@ struct thread_info { struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ unsigned long flags; /* low level flags */ __u32 status; /* thread synchronous flags */ __u32 cpu; @@ -56,7 +55,6 @@ struct thread_info { #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ - .exec_domain = &default_exec_domain, \ .flags = 0, \ .status = 0, \ .cpu = 0, \ diff --git a/arch/sh/kernel/asm-offsets.c b/arch/sh/kernel/asm-offsets.c index 542225f..4bd44da 100644 --- a/arch/sh/kernel/asm-offsets.c +++ b/arch/sh/kernel/asm-offsets.c @@ -21,7 +21,6 @@ int main(void) { /* offsets into the thread_info struct */ DEFINE(TI_TASK, offsetof(struct thread_info, task)); - DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); DEFINE(TI_CPU, offsetof(struct thread_info, cpu)); DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c index 65a1ecd..eb10ff8 100644 --- a/arch/sh/kernel/irq.c +++ b/arch/sh/kernel/irq.c @@ -124,7 +124,6 @@ void irq_ctx_init(int cpu) irqctx = (union irq_ctx *)&hardirq_stack[cpu * THREAD_SIZE]; irqctx->tinfo.task = NULL; - irqctx->tinfo.exec_domain = NULL; irqctx->tinfo.cpu = cpu; irqctx->tinfo.preempt_count = HARDIRQ_OFFSET; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); @@ -133,7 +132,6 @@ void irq_ctx_init(int cpu) irqctx = (union irq_ctx *)&softirq_stack[cpu * THREAD_SIZE]; irqctx->tinfo.task = NULL; - irqctx->tinfo.exec_domain = NULL; irqctx->tinfo.cpu = cpu; irqctx->tinfo.preempt_count = 0; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c index 0b34f2a..ab7b56b 100644 --- a/arch/sh/kernel/signal_32.c +++ b/arch/sh/kernel/signal_32.c @@ -267,19 +267,12 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, { struct sigframe __user *frame; int err = 0, sig = ksig->sig; - int signal; frame = get_sigframe(&ksig->ka, regs->regs[15], sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; - signal = current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig; - err |= setup_sigcontext(&frame->sc, regs, set->sig[0]); if (_NSIG_WORDS > 1) @@ -313,7 +306,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, /* Set up registers for signal handler */ regs->regs[15] = (unsigned long) frame; - regs->regs[4] = signal; /* Arg for signal handler */ + regs->regs[4] = sig; /* Arg for signal handler */ regs->regs[5] = 0; regs->regs[6] = (unsigned long) &frame->sc; @@ -342,19 +335,12 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, { struct rt_sigframe __user *frame; int err = 0, sig = ksig->sig; - int signal; frame = get_sigframe(&ksig->ka, regs->regs[15], sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; - signal = current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig; - err |= copy_siginfo_to_user(&frame->info, &ksig->info); /* Create the ucontext. */ @@ -392,7 +378,7 @@ static int setup_rt_frame(struct ksignal *ksig, sigset_t *set, /* Set up registers for signal handler */ regs->regs[15] = (unsigned long) frame; - regs->regs[4] = signal; /* Arg for signal handler */ + regs->regs[4] = sig; /* Arg for signal handler */ regs->regs[5] = (unsigned long) &frame->info; regs->regs[6] = (unsigned long) &frame->uc; diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c index 71993c6..76122d6 100644 --- a/arch/sh/kernel/signal_64.c +++ b/arch/sh/kernel/signal_64.c @@ -385,12 +385,6 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; - signal = current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig; - err |= setup_sigcontext(&frame->sc, regs, set->sig[0]); /* Give up earlier as i386, in case */ @@ -441,7 +435,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs * All edited pointers are subject to NEFF. */ regs->regs[REG_SP] = neff_sign_extend((unsigned long)frame); - regs->regs[REG_ARG1] = signal; /* Arg for signal handler */ + regs->regs[REG_ARG1] = sig; /* Arg for signal handler */ /* FIXME: The glibc profiling support for SH-5 needs to be passed a sigcontext @@ -461,7 +455,7 @@ static int setup_frame(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs /* Broken %016Lx */ pr_debug("SIG deliver (#%d,%s:%d): sp=%p pc=%08Lx%08Lx link=%08Lx%08Lx\n", - signal, current->comm, current->pid, frame, + sig, current->comm, current->pid, frame, regs->pc >> 32, regs->pc & 0xffffffff, DEREF_REG_PR >> 32, DEREF_REG_PR & 0xffffffff); @@ -473,19 +467,12 @@ static int setup_rt_frame(struct ksignal *kig, sigset_t *set, { struct rt_sigframe __user *frame; int err = 0, sig = ksig->sig; - int signal; frame = get_sigframe(&ksig->ka, regs->regs[REG_SP], sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) return -EFAULT; - signal = current_thread_info()->exec_domain - && current_thread_info()->exec_domain->signal_invmap - && sig < 32 - ? current_thread_info()->exec_domain->signal_invmap[sig] - : sig; - err |= __put_user(&frame->info, &frame->pinfo); err |= __put_user(&frame->uc, &frame->puc); err |= copy_siginfo_to_user(&frame->info, &ksig->info); @@ -542,7 +529,7 @@ static int setup_rt_frame(struct ksignal *kig, sigset_t *set, * All edited pointers are subject to NEFF. */ regs->regs[REG_SP] = neff_sign_extend((unsigned long)frame); - regs->regs[REG_ARG1] = signal; /* Arg for signal handler */ + regs->regs[REG_ARG1] = sig; /* Arg for signal handler */ regs->regs[REG_ARG2] = (unsigned long long)(unsigned long)(signed long)&frame->info; regs->regs[REG_ARG3] = (unsigned long long)(unsigned long)(signed long)&frame->uc.uc_mcontext; regs->pc = neff_sign_extend((unsigned long)ksig->ka.sa.sa_handler); @@ -550,7 +537,7 @@ static int setup_rt_frame(struct ksignal *kig, sigset_t *set, set_fs(USER_DS); pr_debug("SIG deliver (#%d,%s:%d): sp=%p pc=%08Lx%08Lx link=%08Lx%08Lx\n", - signal, current->comm, current->pid, frame, + sig, current->comm, current->pid, frame, regs->pc >> 32, regs->pc & 0xffffffff, DEREF_REG_PR >> 32, DEREF_REG_PR & 0xffffffff); -- 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/