From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932796AbdJKAqj (ORCPT ); Tue, 10 Oct 2017 20:46:39 -0400 Received: from omzsmtpe01.verizonbusiness.com ([199.249.25.210]:59039 "EHLO omzsmtpe01.verizonbusiness.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756699AbdJKAqc (ORCPT ); Tue, 10 Oct 2017 20:46:32 -0400 From: "Levin, Alexander (Sasha Levin)" X-Host: mariner.tdc.vzwcorp.com To: "gregkh@linuxfoundation.org" CC: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [GIT PULL for-4.9 30/48] qed: Reserve doorbell BAR space for present CPUs Thread-Topic: [GIT PULL for-4.9 30/48] qed: Reserve doorbell BAR space for present CPUs Thread-Index: AQHTQio6TboPZ1XgFUSUfA4bgxGd2g== Date: Wed, 11 Oct 2017 00:45:26 +0000 Message-ID: <20171011004512.7949-31-alexander.levin@verizon.com> References: <20171011004512.7949-1-alexander.levin@verizon.com> In-Reply-To: <20171011004512.7949-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id v9B0kfbd026537 From: Ram Amrani [ Upstream commit c2dedf8773e873474535bd4a158609b9eda5403d ] Reserving doorbell BAR space according to the currently active CPUs may result in a bug if disabled CPUs are later enabled but no doorbell space was reserved for them. Signed-off-by: Ram Amrani Signed-off-by: Yuval Mintz Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qlogic/qed/qed_dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index 41367c490a7f..afe5e57d9acb 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -877,7 +877,7 @@ qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) /* Either EDPM is mandatory, or we are attempting to allocate a * WID per CPU. */ - n_cpus = num_active_cpus(); + n_cpus = num_present_cpus(); rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus); } -- 2.11.0