From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH v3 01/22] hardirq/nmi: Allow nested nmi_enter() Date: Thu, 20 Feb 2020 08:41:53 +0000 Message-ID: <20200220084153.GA11827@willie-the-truck> References: <20200219144724.800607165@infradead.org> <20200219150744.428764577@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail.kernel.org ([198.145.29.99]:46858 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726764AbgBTImB (ORCPT ); Thu, 20 Feb 2020 03:42:01 -0500 Content-Disposition: inline In-Reply-To: <20200219150744.428764577@infradead.org> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, rostedt@goodmis.org, mingo@kernel.org, joel@joelfernandes.org, gregkh@linuxfoundation.org, gustavo@embeddedor.com, tglx@linutronix.de, paulmck@kernel.org, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, luto@kernel.org, tony.luck@intel.com, frederic@kernel.org, dan.carpenter@oracle.com, mhiramat@kernel.org, Marc Zyngier , Michael Ellerman , Petr Mladek On Wed, Feb 19, 2020 at 03:47:25PM +0100, Peter Zijlstra wrote: > Since there are already a number of sites (ARM64, PowerPC) that > effectively nest nmi_enter(), lets make the primitive support this > before adding even more. > > Cc: Will Deacon > Cc: Marc Zyngier > Cc: Michael Ellerman > Cc: Petr Mladek > Signed-off-by: Peter Zijlstra (Intel) > --- > arch/arm64/include/asm/hardirq.h | 4 ++-- > arch/arm64/kernel/sdei.c | 14 ++------------ > arch/arm64/kernel/traps.c | 8 ++------ For these arm64 bits: Acked-by: Will Deacon Will