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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 C390DC433B4 for ; Wed, 7 Apr 2021 09:40:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 950B161260 for ; Wed, 7 Apr 2021 09:40:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350186AbhDGJkR (ORCPT ); Wed, 7 Apr 2021 05:40:17 -0400 Received: from mx2.suse.de ([195.135.220.15]:49294 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345816AbhDGJjm (ORCPT ); Wed, 7 Apr 2021 05:39:42 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 4A56FAF9E; Wed, 7 Apr 2021 09:38:47 +0000 (UTC) Date: Wed, 7 Apr 2021 11:38:44 +0200 From: Oscar Salvador To: Michal Hocko Cc: Mike Kravetz , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Roman Gushchin , Shakeel Butt , David Hildenbrand , Muchun Song , David Rientjes , Miaohe Lin , Peter Zijlstra , Matthew Wilcox , HORIGUCHI NAOYA , "Aneesh Kumar K . V" , Waiman Long , Peter Xu , Mina Almasry , Hillf Danton , Joonsoo Kim , Barry Song , Will Deacon , Andrew Morton Subject: Re: [PATCH v4 7/8] hugetlb: make free_huge_page irq safe Message-ID: <20210407093844.GB11066@linux> References: <20210405230043.182734-1-mike.kravetz@oracle.com> <20210405230043.182734-8-mike.kravetz@oracle.com> <20210407091237.GC10058@linux> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 07, 2021 at 11:33:18AM +0200, Michal Hocko wrote: > Yes. spin_unlock_irq will enable interrupts unconditionally which is > certainly not what we want if the path is called with IRQ disabled by > the caller. I see, thanks for confirming. -- Oscar Salvador SUSE L3