From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 41gmlZ32WNzF1dL for ; Thu, 2 Aug 2018 07:34:02 +1000 (AEST) Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w71LRLAb105400 for ; Wed, 1 Aug 2018 17:34:00 -0400 Received: from e11.ny.us.ibm.com (e11.ny.us.ibm.com [129.33.205.201]) by mx0a-001b2d01.pphosted.com with ESMTP id 2kkmsrg74b-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 01 Aug 2018 17:33:59 -0400 Received: from localhost by e11.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 1 Aug 2018 17:33:58 -0400 From: Murilo Opsfelder Araujo To: linux-kernel@vger.kernel.org Cc: "Alastair D'Silva" , Andrew Donnellan , Balbir Singh , Benjamin Herrenschmidt , Christophe Leroy , Cyril Bur , "Eric W . Biederman" , Joe Perches , Michael Ellerman , Michael Neuling , Murilo Opsfelder Araujo , Nicholas Piggin , Paul Mackerras , Simon Guo , Sukadev Bhattiprolu , "Tobin C . Harding" , linuxppc-dev@lists.ozlabs.org, Segher Boessenkool Subject: [PATCH v4 1/6] powerpc/traps: Print unhandled signals in a separate function Date: Wed, 1 Aug 2018 18:33:15 -0300 In-Reply-To: <20180801213320.11203-1-muriloo@linux.ibm.com> References: <20180801213320.11203-1-muriloo@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Message-Id: <20180801213320.11203-2-muriloo@linux.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Isolate the logic of printing unhandled signals out of _exception_pkey(). No functional change, only code rearrangement. Signed-off-by: Murilo Opsfelder Araujo --- arch/powerpc/kernel/traps.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 0e17dcb48720..cbd3dc365193 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -301,26 +301,32 @@ void user_single_step_siginfo(struct task_struct *tsk, info->si_addr = (void __user *)regs->nip; } +static void show_signal_msg(int signr, struct pt_regs *regs, int code, + unsigned long addr) +{ + const char fmt32[] = KERN_INFO "%s[%d]: unhandled signal %d " \ + "at %08lx nip %08lx lr %08lx code %x\n"; + const char fmt64[] = KERN_INFO "%s[%d]: unhandled signal %d " \ + "at %016lx nip %016lx lr %016lx code %x\n"; + + if (show_unhandled_signals && unhandled_signal(current, signr)) { + printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, + current->comm, current->pid, signr, + addr, regs->nip, regs->link, code); + } +} void _exception_pkey(int signr, struct pt_regs *regs, int code, - unsigned long addr, int key) + unsigned long addr, int key) { siginfo_t info; - const char fmt32[] = KERN_INFO "%s[%d]: unhandled signal %d " \ - "at %08lx nip %08lx lr %08lx code %x\n"; - const char fmt64[] = KERN_INFO "%s[%d]: unhandled signal %d " \ - "at %016lx nip %016lx lr %016lx code %x\n"; if (!user_mode(regs)) { die("Exception in kernel mode", regs, signr); return; } - if (show_unhandled_signals && unhandled_signal(current, signr)) { - printk_ratelimited(regs->msr & MSR_64BIT ? fmt64 : fmt32, - current->comm, current->pid, signr, - addr, regs->nip, regs->link, code); - } + show_signal_msg(signr, regs, code, addr); if (arch_irqs_disabled() && !arch_irq_disabled_regs(regs)) local_irq_enable(); -- 2.17.1