From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [RFC PATCH 03/23] genirq: Introduce IRQF_DELIVER_AS_NMI Date: Wed, 13 Jun 2018 10:34:19 +0200 Message-ID: <20180613083419.GS12258@hirez.programming.kicks-ass.net> References: <1528851463-21140-1-git-send-email-ricardo.neri-calderon@linux.intel.com> <1528851463-21140-4-git-send-email-ricardo.neri-calderon@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1528851463-21140-4-git-send-email-ricardo.neri-calderon-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Ricardo Neri Cc: Daniel Lezcano , Palmer Dabbelt , "H. Peter Anvin" , sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ingo Molnar , Doug Berger , Ashok Raj , Bartosz Golaszewski , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Andi Kleen , Borislav Petkov , Masami Hiramatsu , "Ravi V. Shankar" , Marc Zyngier , Thomas Gleixner , Tony Luck , Randy Dunlap , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Levin, Alexander (Sasha Levin)" , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Jacob Pan , Andrew Morton , linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: iommu@lists.linux-foundation.org On Tue, Jun 12, 2018 at 05:57:23PM -0700, Ricardo Neri wrote: > diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h > index 5426627..dbc5e02 100644 > --- a/include/linux/interrupt.h > +++ b/include/linux/interrupt.h > @@ -61,6 +61,8 @@ > * interrupt handler after suspending interrupts. For system > * wakeup devices users need to implement wakeup detection in > * their interrupt handlers. > + * IRQF_DELIVER_AS_NMI - Configure interrupt to be delivered as non-maskable, if > + * supported by the chip. > */ NAK on the first 6 patches. You really _REALLY_ don't want to expose NMIs to this level. From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (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 415Kmh3kD2zDrph for ; Wed, 13 Jun 2018 18:34:28 +1000 (AEST) Date: Wed, 13 Jun 2018 10:34:19 +0200 From: Peter Zijlstra To: Ricardo Neri Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Andi Kleen , Ashok Raj , Borislav Petkov , Tony Luck , "Ravi V. Shankar" , x86@kernel.org, sparclinux@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Jacob Pan , Daniel Lezcano , Andrew Morton , "Levin, Alexander (Sasha Levin)" , Randy Dunlap , Masami Hiramatsu , Marc Zyngier , Bartosz Golaszewski , Doug Berger , Palmer Dabbelt , iommu@lists.linux-foundation.org Subject: Re: [RFC PATCH 03/23] genirq: Introduce IRQF_DELIVER_AS_NMI Message-ID: <20180613083419.GS12258@hirez.programming.kicks-ass.net> References: <1528851463-21140-1-git-send-email-ricardo.neri-calderon@linux.intel.com> <1528851463-21140-4-git-send-email-ricardo.neri-calderon@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1528851463-21140-4-git-send-email-ricardo.neri-calderon@linux.intel.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Jun 12, 2018 at 05:57:23PM -0700, Ricardo Neri wrote: > diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h > index 5426627..dbc5e02 100644 > --- a/include/linux/interrupt.h > +++ b/include/linux/interrupt.h > @@ -61,6 +61,8 @@ > * interrupt handler after suspending interrupts. For system > * wakeup devices users need to implement wakeup detection in > * their interrupt handlers. > + * IRQF_DELIVER_AS_NMI - Configure interrupt to be delivered as non-maskable, if > + * supported by the chip. > */ NAK on the first 6 patches. You really _REALLY_ don't want to expose NMIs to this level. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Date: Wed, 13 Jun 2018 08:34:19 +0000 Subject: Re: [RFC PATCH 03/23] genirq: Introduce IRQF_DELIVER_AS_NMI Message-Id: <20180613083419.GS12258@hirez.programming.kicks-ass.net> List-Id: References: <1528851463-21140-1-git-send-email-ricardo.neri-calderon@linux.intel.com> <1528851463-21140-4-git-send-email-ricardo.neri-calderon@linux.intel.com> In-Reply-To: <1528851463-21140-4-git-send-email-ricardo.neri-calderon-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ricardo Neri Cc: Daniel Lezcano , Palmer Dabbelt , "H. Peter Anvin" , sparclinux-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Ingo Molnar , Doug Berger , Ashok Raj , Bartosz Golaszewski , x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Andi Kleen , Borislav Petkov , Masami Hiramatsu , "Ravi V. Shankar" , Marc Zyngier , Thomas Gleixner , Tony Luck , Randy Dunlap , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "Levin, Alexander (Sasha Levin)" , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Jacob Pan , Andrew Morton , linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org On Tue, Jun 12, 2018 at 05:57:23PM -0700, Ricardo Neri wrote: > diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h > index 5426627..dbc5e02 100644 > --- a/include/linux/interrupt.h > +++ b/include/linux/interrupt.h > @@ -61,6 +61,8 @@ > * interrupt handler after suspending interrupts. For system > * wakeup devices users need to implement wakeup detection in > * their interrupt handlers. > + * IRQF_DELIVER_AS_NMI - Configure interrupt to be delivered as non-maskable, if > + * supported by the chip. > */ NAK on the first 6 patches. You really _REALLY_ don't want to expose NMIs to this level.