Message ID | 20200421011417.dQjjscoWH%akpm@linux-foundation.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=lzY1=6F=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8A9FC14DD for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 21 Apr 2020 01:14:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4A64B208E4 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 21 Apr 2020 01:14:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="FwoMTyd1" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A64B208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CD0478E0013; Mon, 20 Apr 2020 21:14:19 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id C592F8E0003; Mon, 20 Apr 2020 21:14:19 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id A327C8E0013; Mon, 20 Apr 2020 21:14:19 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 8CA948E0003 for <linux-mm@kvack.org>; Mon, 20 Apr 2020 21:14:19 -0400 (EDT) Received: from smtpin25.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 518E1181AEF23 for <linux-mm@kvack.org>; Tue, 21 Apr 2020 01:14:19 +0000 (UTC) X-FDA: 76730091438.25.knife63_5fe59fc9d620d X-Spam-Summary: 2,0,0,163152a4e5c06883,d41d8cd98f00b204,akpm@linux-foundation.org,,RULES_HIT:41:69:355:379:800:960:967:973:988:989:1260:1263:1345:1359:1381:1431:1437:1534:1542:1711:1730:1747:1777:1792:1801:2194:2198:2199:2200:2393:2525:2559:2564:2682:2685:2859:2902:2904:2933:2937:2939:2942:2945:2947:2951:2954:3022:3138:3139:3140:3141:3142:3353:3865:3866:3867:3868:3870:3871:3872:3874:3934:3936:3938:3941:3944:3947:3950:3953:3956:3959:4250:4321:4605:5007:6119:6261:6653:7576:7903:9025:9121:9545:10004:10913:11026:11233:11473:11658:11914:12043:12048:12266:12295:12296:12297:12438:12517:12519:12555:12679:12683:12783:12895:12986:13161:13221:13229:13255:13845:14110:14181:14721:14849:21060:21080:21347:21365:21433:21451:21611:21627:21749:21819:21939:21966:21987:30045:30054:30070:30075,0,RBL:198.145.29.99:@linux-foundation.org:.lbl8.mailshell.net-64.100.201.201 62.2.0.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0: 0:0,LFti X-HE-Tag: knife63_5fe59fc9d620d X-Filterd-Recvd-Size: 4311 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf49.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Tue, 21 Apr 2020 01:14:18 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (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 F40A2214AF; Tue, 21 Apr 2020 01:14:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587431658; bh=GxrDCTBBZwdqEArAkp6Nrim0SqKgc8oqr3PeojTYHcI=; h=Date:From:To:Subject:In-Reply-To:From; b=FwoMTyd18KjAuaM+9z/y7zMi7OGkyWJ5AzmJaGlUxdirEwvLX0vSi3MB0PrxGgiQJ HfQZ2NQg/qmBXVkvvWrcJR9uFaaCaW0kU7mfOXKCb7Lms+UqhFwzJobuPMX7osL9WM QEZV/BSDbuFF8LExcws6nnrfg2TyZiENvnr9Khk8= Date: Mon, 20 Apr 2020 18:14:17 -0700 From: Andrew Morton <akpm@linux-foundation.org> To: aarcange@redhat.com, akpm@linux-foundation.org, hughd@google.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, yang.shi@linux.alibaba.com Subject: [patch 13/15] mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy path Message-ID: <20200421011417.dQjjscoWH%akpm@linux-foundation.org> In-Reply-To: <20200420181310.c18b3c0aa4dc5b3e5ec1be10@linux-foundation.org> User-Agent: s-nail v14.8.16 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
[01/15] sh: fix build error in mm/init.c
|
expand
|
--- a/mm/shmem.c~mm-shmem-disable-interrupt-when-acquiring-info-lock-in-userfaultfd_copy-path +++ a/mm/shmem.c @@ -2402,11 +2402,11 @@ static int shmem_mfill_atomic_pte(struct lru_cache_add_anon(page); - spin_lock(&info->lock); + spin_lock_irq(&info->lock); info->alloced++; inode->i_blocks += BLOCKS_PER_PAGE; shmem_recalc_inode(inode); - spin_unlock(&info->lock); + spin_unlock_irq(&info->lock); inc_mm_counter(dst_mm, mm_counter_file(page)); page_add_file_rmap(page, false);