Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp2226595imm; Thu, 9 Aug 2018 09:17:07 -0700 (PDT) X-Google-Smtp-Source: AA+uWPzCmntMliBqDbGqZnvnRcrNV2RaTcVgjUeDe+M7av5ILqAXz0tJorHBWhkqtqXUvOv4HqH9 X-Received: by 2002:a62:ca0d:: with SMTP id n13-v6mr3026155pfg.69.1533831427455; Thu, 09 Aug 2018 09:17:07 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1533831427; cv=none; d=google.com; s=arc-20160816; b=zkPTKaFHo3bFMqiCPpBKzP0MtAQRhU7MSrTbFU33b5kH+z72pDeIYVNMbFVqo/3dsC AqGaNGHXflgsOWxVkr5lHbceMQW7RFOtzlf1q6SRwqHaUaqQBkprX0OQbmDHS6hR/05t xi7WwQJO9Y6zi9ZcaW1qPiOHDMtYUI1s/boPnFXcdZcfd1A4qjb0wsZNpV+bkjeH8+Dl moG+16VezW+g1yJOgbL+bLcqVk2AeCiqFuu8RVtmGlAb/eNPsFvgqwR93tCHJyyfE0SD EUCmMfyM/B1b9/vOmz7PKC1RlUvyzElhUhh3YWAVyr+JR6TiORa66FjpCSkUXI2DruV4 k5Kw== 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:arc-authentication-results; bh=cucTnjXRkFOkKbQD0WgMyW5ULRcY8YyFgG+fGOGL3qw=; b=u0GScuO9ZLr34nryn3Ud1BV19bsFzMOZj4qDsFmpZev5PSqmeW9i96Y0JlVOHagRlW JEprE9RyIJdA1xExJtIAaaiLF8BI5ZOoRPWHEWUg1FW603kzB1kEeHWEWUHIEd/IQGIj rBFS1rDm5WSSqQaO/vqlwfDLty9550pGiUegtwatI6C00ZtiVEe461DW+LiJQc8D+vHP yVcXxiO6pos75Thy0n9xgwv8F580EPLDo2MTvaKix1xdrf1jbOpjapTScJZnj4+MCvR6 6x7sx8cEcQ8+1CTPwNKlzcFMOKWtLXaNQB2YZi+FlLk4EZDiUGQhpmm1E7tP3cBsebuf tF7A== 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 bh12-v6si5983771plb.425.2018.08.09.09.16.52; Thu, 09 Aug 2018 09:17:07 -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 S1732432AbeHISli (ORCPT + 99 others); Thu, 9 Aug 2018 14:41:38 -0400 Received: from mail.skyhub.de ([5.9.137.197]:36990 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730839AbeHISli (ORCPT ); Thu, 9 Aug 2018 14:41:38 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 26l8_KyDXIWT; Thu, 9 Aug 2018 18:15:44 +0200 (CEST) Received: from nazgul.tnic (77-85-50-230.ip.btc-net.bg [77.85.50.230]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 320861EC01A9; Thu, 9 Aug 2018 18:15:44 +0200 (CEST) Date: Thu, 9 Aug 2018 18:15:48 +0200 From: Borislav Petkov To: Yazen Ghannam Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, tony.luck@intel.com, x86@kernel.org Subject: Re: [PATCH 1/2] x86/MCE/AMD: Check for NULL banks in THR interrupt handler Message-ID: <20180809161548.GA20928@nazgul.tnic> References: <20180809140834.59264-1-Yazen.Ghannam@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20180809140834.59264-1-Yazen.Ghannam@amd.com> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 09, 2018 at 09:08:33AM -0500, Yazen Ghannam wrote: > From: Yazen Ghannam > > If threshold_init_device() fails then per_cpu(threshold_banks) will be > deallocated. The thresholding interrupt handler will still be active, so So fix the code so that *that* doesn't happen instead of adding checks to the interrupt handler. I.e., if (err) { mce_threshold_vector = default_threshold_interrupt; return err; } -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --