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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 D3FBCC4361A for ; Mon, 1 Mar 2021 18:03:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD532653E6 for ; Mon, 1 Mar 2021 18:03:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239280AbhCASDb (ORCPT ); Mon, 1 Mar 2021 13:03:31 -0500 Received: from mail.kernel.org ([198.145.29.99]:52494 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237760AbhCAR4t (ORCPT ); Mon, 1 Mar 2021 12:56:49 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5E9ED64E68; Mon, 1 Mar 2021 17:26:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614619610; bh=7bOVi5QeO0ZI6GCCpMApZD7XaFmNaW3HVYd2JXMWA/Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JPe+d+I7DbO8t3IM8EP3lRmh93lDHmDIruEQGcXZRDJJRxJs9CL1AeJ/3g7NH+lIv qHe22yiV4kbbaDCBdtBfDtyMYemWjCMLdnu+NzLTrdbt0lBIwFiHwPYhMCeyc2JqYS 5/zlZMXxVFkQTPPdofMxluht4f1FneTkCThNfD7A= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Daniel Vetter , Philip Yang , Felix Kuehling , Alex Deucher Subject: [PATCH 5.10 516/663] drm/amdkfd: Fix recursive lock warnings Date: Mon, 1 Mar 2021 17:12:44 +0100 Message-Id: <20210301161207.384598122@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161141.760350206@linuxfoundation.org> References: <20210301161141.760350206@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Felix Kuehling commit 1fb8b1fc4dd1035a264c81d15d41f05884cc8058 upstream. memalloc_nofs_save/restore are no longer sufficient to prevent recursive lock warnings when holding locks that can be taken in MMU notifiers. Use memalloc_noreclaim_save/restore instead. Fixes: f920e413ff9c ("mm: track mmu notifiers in fs_reclaim_acquire/release") CC: Daniel Vetter Reviewed-by: Philip Yang Signed-off-by: Felix Kuehling Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org # 5.10.x Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h @@ -243,11 +243,11 @@ get_sh_mem_bases_nybble_64(struct kfd_pr static inline void dqm_lock(struct device_queue_manager *dqm) { mutex_lock(&dqm->lock_hidden); - dqm->saved_flags = memalloc_nofs_save(); + dqm->saved_flags = memalloc_noreclaim_save(); } static inline void dqm_unlock(struct device_queue_manager *dqm) { - memalloc_nofs_restore(dqm->saved_flags); + memalloc_noreclaim_restore(dqm->saved_flags); mutex_unlock(&dqm->lock_hidden); }