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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 2B147C432C0 for ; Tue, 3 Dec 2019 22:48:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E383220656 for ; Tue, 3 Dec 2019 22:48:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575413314; bh=F3GGm7t3WHwYNXVgUb+L8W3UBg8MBtvEOZG23w1T2JQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=kOkh0OVmahIEW7li5ou58G/6vsyqRJ6Uyu5AyT7V4OhDniRDQim/Md3ByxbyY/gL9 vEF2GTp1Db9fkUyntpf5UiC1gVrF1pju79iJ94tCgC/Enkzi20nCGETMfU5sRpREi7 h8nrDFR3qUzk/spt1epC5QDjR/IpH6w33q00YB10= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729457AbfLCWsc (ORCPT ); Tue, 3 Dec 2019 17:48:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:39164 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729447AbfLCWsb (ORCPT ); Tue, 3 Dec 2019 17:48:31 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 4408620656; Tue, 3 Dec 2019 22:48:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575413310; bh=F3GGm7t3WHwYNXVgUb+L8W3UBg8MBtvEOZG23w1T2JQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Cl7lHzGhQWi6J0muWDdGF+u6TfD2r6g+1b/efJbX/LhihUeR5CYmjKzBlq21C3hwa vzaZwZHHSNOmNAzkIU6IOGDmbbhxJYm1ixml+9X0kaUid1AXUTSUkaxZyFnNwVrwkV aPnSb8PbygggqEIywvT4wiArLlmluePU2BrS6Gzs= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Adit Ranadive , Gal Pressman , Yuval Shaia , Jason Gunthorpe , Sasha Levin Subject: [PATCH 4.19 078/321] RDMA/vmw_pvrdma: Use atomic memory allocation in create AH Date: Tue, 3 Dec 2019 23:32:24 +0100 Message-Id: <20191203223431.218277366@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191203223427.103571230@linuxfoundation.org> References: <20191203223427.103571230@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gal Pressman [ Upstream commit a276a4d93bf1580d737f38d1810e5f4b166f3edd ] Create address handle callback should not sleep, use GFP_ATOMIC instead of GFP_KERNEL for memory allocation. Fixes: 29c8d9eba550 ("IB: Add vmw_pvrdma driver") Cc: Adit Ranadive Signed-off-by: Gal Pressman Reviewed-by: Yuval Shaia Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c index b65d10b0a8759..f4cb5cf26006f 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c @@ -555,7 +555,7 @@ struct ib_ah *pvrdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, if (!atomic_add_unless(&dev->num_ahs, 1, dev->dsr->caps.max_ah)) return ERR_PTR(-ENOMEM); - ah = kzalloc(sizeof(*ah), GFP_KERNEL); + ah = kzalloc(sizeof(*ah), GFP_ATOMIC); if (!ah) { atomic_dec(&dev->num_ahs); return ERR_PTR(-ENOMEM); -- 2.20.1