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 3shqB30hlRzDrS8 for ; Mon, 26 Sep 2016 00:24:58 +1000 (AEST) Received: from pps.filterd (m0098409.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id u8PEN2X1090268 for ; Sun, 25 Sep 2016 10:24:57 -0400 Received: from e23smtp08.au.ibm.com (e23smtp08.au.ibm.com [202.81.31.141]) by mx0a-001b2d01.pphosted.com with ESMTP id 25p6aheh4v-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 25 Sep 2016 10:24:57 -0400 Received: from localhost by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 26 Sep 2016 00:24:54 +1000 Received: from d23relay06.au.ibm.com (d23relay06.au.ibm.com [9.185.63.219]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id DCB893578056 for ; Mon, 26 Sep 2016 00:24:51 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay06.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u8PEOpEb38076492 for ; Mon, 26 Sep 2016 00:24:51 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u8PEOprv032606 for ; Mon, 26 Sep 2016 00:24:51 +1000 From: Madhavan Srinivasan To: benh@kernel.crashing.org, mpe@ellerman.id.au Cc: anton@samba.org, paulus@samba.org, npiggin@gmail.com, linuxppc-dev@lists.ozlabs.org, Madhavan Srinivasan Subject: [PATCH v2 09/11] powerpc:Add new kconfig IRQ_DEBUG_SUPPORT Date: Sun, 25 Sep 2016 19:53:56 +0530 In-Reply-To: <1474813438-25761-1-git-send-email-maddy@linux.vnet.ibm.com> References: <1474813438-25761-1-git-send-email-maddy@linux.vnet.ibm.com> Message-Id: <1474813438-25761-10-git-send-email-maddy@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , New Kconfig is added "CONFIG_IRQ_DEBUG_SUPPORT" to add warn_on to alert the invalid transitions. Also moved the code under the CONFIG_TRACE_IRQFLAGS in arch_local_irq_restore() to new Kconfig. Signed-off-by: Madhavan Srinivasan --- arch/powerpc/Kconfig | 4 ++++ arch/powerpc/kernel/irq.c | 4 ++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 927d2ab2ce08..878f05925340 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -51,6 +51,10 @@ config TRACE_IRQFLAGS_SUPPORT bool default y +config IRQ_DEBUG_SUPPORT + bool + default n + config LOCKDEP_SUPPORT bool default y diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 5ba60f6e7eb8..d1ee6c2a6b09 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -258,7 +258,7 @@ notrace void arch_local_irq_restore(unsigned long en) */ if (unlikely(irq_happened != PACA_IRQ_HARD_DIS)) __hard_irq_disable(); -#ifdef CONFIG_TRACE_IRQFLAGS +#ifdef CONFIG_IRQ_DEBUG_SUPPORT else { /* * We should already be hard disabled here. We had bugs @@ -269,7 +269,7 @@ notrace void arch_local_irq_restore(unsigned long en) if (WARN_ON(mfmsr() & MSR_EE)) __hard_irq_disable(); } -#endif /* CONFIG_TRACE_IRQFLAGS */ +#endif /* CONFIG_IRQ_DEBUG_SUPPORT */ soft_enabled_set(IRQ_DISABLE_MASK_LINUX); -- 2.7.4