Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp3808864yba; Mon, 29 Apr 2019 08:52:52 -0700 (PDT) X-Google-Smtp-Source: APXvYqyYhupNVaA8umu4XnlPHoY8JY57caf7562H5sRdLek9X+dTAPyemRukPJVOudvpHxreI1wo X-Received: by 2002:a63:d512:: with SMTP id c18mr19112011pgg.252.1556553172121; Mon, 29 Apr 2019 08:52:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1556553172; cv=none; d=google.com; s=arc-20160816; b=VszD62NAf9DoAGEjPyAHUQnx+8uvsfmq/r/tAifWpu4PZbzePndwp83qL4d1dIr+8p YTppXNbxUPMplzSHFHyoTqhiCZyr5rlLUXh0N1hi6eHBfUwPrALbtYBkCTJN5Q14NY6F RzmpaITvpg5FgYb6ZKyUOmA7h3D9OH4EDExCLA89YA63X8uXibJk2SKcASBgMgkRgafV PAnbyHO6csZ2XFSpqeJ4BXRc19mCvGiYDSX3Ytv1A8rVqV7wjn1lbMir+SLviVUNKAy/ 3lC7oMiXN6rNvW1sptU4gvtW5cgnMBJQ1g7VQO7WzydWX5FA6M/w8ox2qyA6pYKQcheF Z4IA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=aqy/Hj/jKc7cEx7EEHgdQf/txAmvBpvoF+t5Fz1LJ7Y=; b=Gud1tj944hFMXkavkoPjfZmV3MlnhnIGhAqwwqZIIB9LEuBy8nii58ykn3nv9ZwcJw BPqvXtDRWOulbcb/8kZS4vV3zu6PkO/Ybf4icl1mkKcPMWIPrvgXs+MXt8ixVBaw4hnZ aPKURXc7CesYvStOr+JJveLlDyHNxy/6cxMLeapK45xuBeawxz7RDSkaxbhHKXN1538v wDczGwkIrnUCS96sRqSvSCIOCDftGvduj2B27GLcnOvJoleEJsAEoDu9xsbXeyzX5UR0 xkfl0vM4Op233TcCz3rba3ba9Qdk/YexubVGjWEBjT6E9Zv9YHrmP/0TzsPfXluPMGoF I0NA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id j9si17195405pgk.383.2019.04.29.08.52.35; Mon, 29 Apr 2019 08:52:52 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728670AbfD2PuY (ORCPT + 99 others); Mon, 29 Apr 2019 11:50:24 -0400 Received: from foss.arm.com ([217.140.101.70]:32808 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728501AbfD2PuY (ORCPT ); Mon, 29 Apr 2019 11:50:24 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2AE8980D; Mon, 29 Apr 2019 08:50:24 -0700 (PDT) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 34E983F5C1; Mon, 29 Apr 2019 08:50:23 -0700 (PDT) Date: Mon, 29 Apr 2019 16:50:20 +0100 From: Will Deacon To: Xiongfeng Wang Cc: james.morse@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] firmware: arm_sdei: Prohibit probing in '_sdei_handler' Message-ID: <20190429155020.GB11429@fuggles.cambridge.arm.com> References: <1556244996-1047-1-git-send-email-wangxiongfeng2@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1556244996-1047-1-git-send-email-wangxiongfeng2@huawei.com> User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 26, 2019 at 10:16:36AM +0800, Xiongfeng Wang wrote: > Functions called in '_sdei_handler' are needed to be marked as > 'nokprobe'. Because these functions are called in NMI context and > neither the arch-code's debug infrastructure nor kprobes core supports > this. > > Signed-off-by: Xiongfeng Wang > Reviewed-by: James Morse > --- > drivers/firmware/arm_sdei.c | 3 +++ > 1 file changed, 3 insertions(+) Queued for 5.2. Thanks. Will