From patchwork Wed May 12 14:46:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 436307 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=-19.4 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 34F81C4363F for ; Wed, 12 May 2021 17:02:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1B3DD61285 for ; Wed, 12 May 2021 17:02:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343626AbhELQ7L (ORCPT ); Wed, 12 May 2021 12:59:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:33526 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243579AbhELQlf (ORCPT ); Wed, 12 May 2021 12:41:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C94EB6143D; Wed, 12 May 2021 16:05:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620835505; bh=+KpyCjVckXd3UguHZZZM+4+uIjQGnKRCcct75gRcjXM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WnlrjJweUJf0b6buofDJw2/BnIlyA7UIaOWF4q1zrR6XhHYVn7bld3z9fgxpLEPyA TJNDwZBqPgLFqGXoBESa5kZznD/nljiskLLsoq8jC8iDeszLyO7ldsEoYAWTZPqLZN W92ezyjcaaDTHuXMuple/F2ruEXuWpCc/k3e1cIg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Felix Kuehling , =?utf-8?q?Christian_K=C3=B6nig?= , Alex Deucher , Sasha Levin Subject: [PATCH 5.12 370/677] drm/amdkfd: Fix recursive lock warnings Date: Wed, 12 May 2021 16:46:56 +0200 Message-Id: <20210512144849.615096803@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210512144837.204217980@linuxfoundation.org> References: <20210512144837.204217980@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Felix Kuehling [ Upstream commit 7816e4a98ce3bc7c562807240b4f14171e177420 ] 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") Signed-off-by: Felix Kuehling Reviewed-by: Christian König Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index adbfd1d227a5..a566bbe26bdd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -92,13 +92,13 @@ struct amdgpu_prt_cb { static inline void amdgpu_vm_eviction_lock(struct amdgpu_vm *vm) { mutex_lock(&vm->eviction_lock); - vm->saved_flags = memalloc_nofs_save(); + vm->saved_flags = memalloc_noreclaim_save(); } static inline int amdgpu_vm_eviction_trylock(struct amdgpu_vm *vm) { if (mutex_trylock(&vm->eviction_lock)) { - vm->saved_flags = memalloc_nofs_save(); + vm->saved_flags = memalloc_noreclaim_save(); return 1; } return 0; @@ -106,7 +106,7 @@ static inline int amdgpu_vm_eviction_trylock(struct amdgpu_vm *vm) static inline void amdgpu_vm_eviction_unlock(struct amdgpu_vm *vm) { - memalloc_nofs_restore(vm->saved_flags); + memalloc_noreclaim_restore(vm->saved_flags); mutex_unlock(&vm->eviction_lock); }