From patchwork Wed Jan 31 02:41:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ratheesh Kannoth X-Patchwork-Id: 13538550 X-Patchwork-Delegate: kuba@kernel.org Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8DAE9DF4F; Wed, 31 Jan 2024 02:41:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.156.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706668898; cv=none; b=g/B7YmGc5J9WAiNQ6yYJHXfwiIHNz7GQRugguTrvB1krw4+c7QT/qp/j+sGCK3hAE0+4/8O+Gzk32h8KqfO3xMnzrr2PtuWqPl6LOuNTpNabdQgdpeToZqT7HlezlrqCvTTMpm/+9KVRRP+WMAfbqQkPrtXq+qQ0Fd3zU1ZSsXc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706668898; c=relaxed/simple; bh=SpP0n7qUbRbx0Z/5WUWqTEu1Bwjbet1DG+VdV9GFzU0=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=YSA8jzSdPFg5Ctue3qDVQTVhPhLFEHXB/8Tyly9+RvFO00/GsoIfYLv0GVgaIZTyujSlhTWjqdhW9c4dlGLpj8Occ4kbt+PFeCrND7w9T6dcG8HuiYvKqKwYbJoBcTCDc8Dd/TuUZYFcUyHO+yqKh8Z7sYVEKaD31mztht6sXC4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com; spf=pass smtp.mailfrom=marvell.com; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b=DmspMxIU; arc=none smtp.client-ip=67.231.156.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=marvell.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=marvell.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marvell.com header.i=@marvell.com header.b="DmspMxIU" Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 40UHmG0W011647; Tue, 30 Jan 2024 18:41:27 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h= from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding:content-type; s=pfpt0220; bh=T/f72Ewe AdptrK0eSwQ0fHYQUvbfFrB/+zpPieRXY40=; b=DmspMxIUbwYJQswKDCnQjXzZ qPPRn7iMgmHQ5MXtXfnPLfGvt0onKQ7uCsQaAlAuefojc5Wg63vQolevkhmQfzvU 6LH6cieEHqCIwv30Fg2T64IUaLKiRcRqf+7uBmDOoY5G1/FOrQrGQCDilXz8d/Su 6rXOyRGBqecx9Ns8O31Mrs+o+VGjKGNOSk6cIq3yH4UASgGdc4bsyLc6Xl9spKl2 0mrzEIE+w+/SFcORmDqLNPFDpHpuLL4LuohEM6zjF/aAJg8tNDFWeCnebNbMY44j UR/paCrGpRxJYyGvl4uoBMwAB08IN35+9WejXI/Khzz1mlpWU9xCTh09VucuZw== Received: from dc5-exch02.marvell.com ([199.233.59.182]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3vw27nmvbc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 30 Jan 2024 18:41:26 -0800 (PST) Received: from DC5-EXCH01.marvell.com (10.69.176.38) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Tue, 30 Jan 2024 18:41:24 -0800 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Tue, 30 Jan 2024 18:41:24 -0800 Received: from marvell-OptiPlex-7090.marvell.com (unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 92B963F707A; Tue, 30 Jan 2024 18:41:20 -0800 (PST) From: Ratheesh Kannoth To: , CC: , , , , , , , , , , , Ratheesh Kannoth Subject: [PATCH net v3] octeontx2-af: Initialize maps. Date: Wed, 31 Jan 2024 08:11:18 +0530 Message-ID: <20240131024118.254758-1-rkannoth@marvell.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: _yekNxsZxU1Br4UnRXM_74qZkIY35-l2 X-Proofpoint-GUID: _yekNxsZxU1Br4UnRXM_74qZkIY35-l2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-30_14,2024-01-30_01,2023-05-22_02 X-Patchwork-Delegate: kuba@kernel.org kmalloc_array() without __GFP_ZERO flag does not initialize memory to zero. This causes issues. Use __GFP_ZERO flag for maps and bitmap_zalloc() for bimaps. Fixes: dd7842878633 ("octeontx2-af: Add new devlink param to configure maximum usable NIX block LFs") Signed-off-by: Ratheesh Kannoth Reviewed-by: Brett Creeley --- ChangeLogs: v2 -> v3: Used GFP_ZERO for normal map arrays v1 -> v2: Used bitmap_zalloc() API. v0 -> v1: Removed devm_kcalloc()._ --- .../ethernet/marvell/octeontx2/af/rvu_npc.c | 26 ++++++++++--------- 1 file changed, 14 insertions(+), 12 deletions(-) -- 2.25.1 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 167145bdcb75..6a8f0efd96a5 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -1850,8 +1850,8 @@ void npc_mcam_rsrcs_deinit(struct rvu *rvu) { struct npc_mcam *mcam = &rvu->hw->mcam; - kfree(mcam->bmap); - kfree(mcam->bmap_reverse); + bitmap_free(mcam->bmap); + bitmap_free(mcam->bmap_reverse); kfree(mcam->entry2pfvf_map); kfree(mcam->cntr2pfvf_map); kfree(mcam->entry2cntr_map); @@ -1904,13 +1904,11 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) mcam->pf_offset = mcam->nixlf_offset + nixlf_count; /* Allocate bitmaps for managing MCAM entries */ - mcam->bmap = kmalloc_array(BITS_TO_LONGS(mcam->bmap_entries), - sizeof(long), GFP_KERNEL); + mcam->bmap = bitmap_zalloc(mcam->bmap_entries, GFP_KERNEL); if (!mcam->bmap) return -ENOMEM; - mcam->bmap_reverse = kmalloc_array(BITS_TO_LONGS(mcam->bmap_entries), - sizeof(long), GFP_KERNEL); + mcam->bmap_reverse = bitmap_zalloc(mcam->bmap_entries, GFP_KERNEL); if (!mcam->bmap_reverse) goto free_bmap; @@ -1918,7 +1916,8 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) /* Alloc memory for saving entry to RVU PFFUNC allocation mapping */ mcam->entry2pfvf_map = kmalloc_array(mcam->bmap_entries, - sizeof(u16), GFP_KERNEL); + sizeof(u16), + GFP_KERNEL | __GFP_ZERO); if (!mcam->entry2pfvf_map) goto free_bmap_reverse; @@ -1942,7 +1941,8 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) goto free_entry_map; mcam->cntr2pfvf_map = kmalloc_array(mcam->counters.max, - sizeof(u16), GFP_KERNEL); + sizeof(u16), + GFP_KERNEL | __GFP_ZERO); if (!mcam->cntr2pfvf_map) goto free_cntr_bmap; @@ -1950,12 +1950,14 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) * counter's reference count. */ mcam->entry2cntr_map = kmalloc_array(mcam->bmap_entries, - sizeof(u16), GFP_KERNEL); + sizeof(u16), + GFP_KERNEL | __GFP_ZERO); if (!mcam->entry2cntr_map) goto free_cntr_map; mcam->cntr_refcnt = kmalloc_array(mcam->counters.max, - sizeof(u16), GFP_KERNEL); + sizeof(u16), + GFP_KERNEL | __GFP_ZERO); if (!mcam->cntr_refcnt) goto free_entry_cntr_map; @@ -1988,9 +1990,9 @@ int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr) free_entry_map: kfree(mcam->entry2pfvf_map); free_bmap_reverse: - kfree(mcam->bmap_reverse); + bitmap_free(mcam->bmap_reverse); free_bmap: - kfree(mcam->bmap); + bitmap_free(mcam->bmap); return -ENOMEM; }