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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 097E9C54FCE for ; Wed, 25 Mar 2020 01:02:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CDBDD2076F for ; Wed, 25 Mar 2020 01:01:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585098119; bh=ovfkJFB2DYsz/CCHB12CqfAc9GhTB1icby3oAVda+mU=; h=Date:From:To:To:To:Cc:Cc:Subject:In-Reply-To:References:List-ID: From; b=fbjvEiD5HhMUWvPTMbofLdMqXuP+kO/5XxN8Q5QFBtoMakDO4ThNoDln3qBLxpa7a De1hzr8FqBn7g6PMk1G8Q9DG3fNv7Tr3I4kutlIwbfwuHM4+vI0LlEOAzVKCRkisXn Mhrt04oysUZRXpLN4n/M7jwluFlEEVidX6V7nZ+4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727190AbgCYBB7 (ORCPT ); Tue, 24 Mar 2020 21:01:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:60608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727113AbgCYBB7 (ORCPT ); Tue, 24 Mar 2020 21:01:59 -0400 Received: from localhost (unknown [137.135.114.1]) (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 81CD12074D; Wed, 25 Mar 2020 01:01:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585098118; bh=ovfkJFB2DYsz/CCHB12CqfAc9GhTB1icby3oAVda+mU=; h=Date:From:To:To:To:Cc:Cc:Subject:In-Reply-To:References:From; b=Zssf4V4GV8eFt3y2pUout+pIDYkr0A7KWpf9/7qMV6fbUKPosd/69cOjUVrQ6EKye iyH1UgmKSCYZ0zHVELNQaAZ/8ItKjgREMibxvyciX1Z+4/QUxBhAS7oyXhyleDLzBz utidJJCndSMGCayrRmh933nY+lD5uTTZhGxc8pU4= Date: Wed, 25 Mar 2020 01:01:57 +0000 From: Sasha Levin To: Sasha Levin To: Yihao Wu To: "J . Bruce Fields" Cc: linux-nfs@vger.kernel.org Cc: stable@vger.kernel.org Subject: Re: [PATCH] nfsd: fix race between cache_clean and cache_purge In-Reply-To: <5eed50660eb13326b0fbf537fb58481ea53c1acb.1585043174.git.wuyihao@linux.alibaba.com> References: <5eed50660eb13326b0fbf537fb58481ea53c1acb.1585043174.git.wuyihao@linux.alibaba.com> Message-Id: <20200325010158.81CD12074D@mail.kernel.org> Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Hi [This is an automated email] The bot has tested the following trees: v5.5.11, v5.4.27, v4.19.112, v4.14.174, v4.9.217, v4.4.217. v5.5.11: Build OK! v5.4.27: Build OK! v4.19.112: Failed to apply! Possible dependencies: 1863d77f15da ("SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock") v4.14.174: Failed to apply! Possible dependencies: 1863d77f15da ("SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock") v4.9.217: Failed to apply! Possible dependencies: 1863d77f15da ("SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock") 2b477c00f3bd ("svcrpc: free contexts immediately on PROC_DESTROY") 471a930ad7d1 ("SUNRPC: Drop all entries from cache_detail when cache_purge()") v4.4.217: Failed to apply! Possible dependencies: 1863d77f15da ("SUNRPC: Replace the cache_detail->hash_lock with a regular spinlock") 2b477c00f3bd ("svcrpc: free contexts immediately on PROC_DESTROY") 471a930ad7d1 ("SUNRPC: Drop all entries from cache_detail when cache_purge()") d8d29138b17c ("sunrpc: remove 'inuse' flag from struct cache_detail.") NOTE: The patch will not be queued to stable trees until it is upstream. How should we proceed with this patch? -- Thanks Sasha