From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E547FC11D00 for ; Thu, 20 Feb 2020 09:19:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB6732465D for ; Thu, 20 Feb 2020 09:19:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582190371; bh=odg0Ls4Jo2/nIPx4hfbXC/I9JWJmXoZHtSAzcHL2wmQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=eYw4rAURWB8i2t62tlurflGOT69+lNggiNFQz7g07BYeKA4V98mqi84owxDqrYZLO m5h55eybmlcN92EuExYbH8dVZYNtdcP1+O8fK3GjfcGIe3/qtUL5OhxaE30sVbKFuA V9KUu1jxhM+pwgPajQYAybnDC2LThfndDzoTkaFc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727069AbgBTJTa (ORCPT ); Thu, 20 Feb 2020 04:19:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:53018 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726501AbgBTJTa (ORCPT ); Thu, 20 Feb 2020 04:19:30 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 692E424654; Thu, 20 Feb 2020 09:19:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582190369; bh=odg0Ls4Jo2/nIPx4hfbXC/I9JWJmXoZHtSAzcHL2wmQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=tNwjx4/Js/7Z9lzy5NCgL0+In+nXgsvXnhURb15Ogtuubx6XOD5dHquCYbTWkgxWr JrU2U6WdM/qI/f1kcvCxCCM+oAy17L1hcbAkX+WEdAl+djf5QKH3896aaloijVTOn8 KiaLTEJWAraqhlFEjS05Jag6VUFWWS4KpiHy8Atg= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1j4hzT-006h0X-K0; Thu, 20 Feb 2020 09:19:27 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 20 Feb 2020 09:19:27 +0000 From: Marc Zyngier 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, Will Deacon , Michael Ellerman , Petr Mladek Subject: Re: [PATCH v3 01/22] hardirq/nmi: Allow nested nmi_enter() In-Reply-To: <20200219150744.428764577@infradead.org> References: <20200219144724.800607165@infradead.org> <20200219150744.428764577@infradead.org> Message-ID: <9af753c4d91f6a46d3121e72186cee03@kernel.org> X-Sender: maz@kernel.org User-Agent: Roundcube Webmail/1.3.10 X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: peterz@infradead.org, 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, will@kernel.org, mpe@ellerman.id.au, pmladek@suse.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-02-19 14:47, 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) Thanks for cleaning this up! Acked-by: Marc Zyngier M. -- Jazz is not dead. It just smells funny...