From nobody Mon Feb 9 19:37:55 2026 Received: from mailout3.samsung.com (mailout3.samsung.com [203.254.224.33]) (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 B83783815E7 for ; Fri, 23 Jan 2026 11:31:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.33 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769167919; cv=none; b=gOzciZA/4HRY6QyfGlHze4Kr9MT1TNMVqMJbK8uFmWSQPM1jfoMnrMgyFUPn009J01suRJUpjANhFUzlkCUHEb9M0+wTMmC/NhSHyjGQxpiz+ybmqtTEDK5IAYLQGfN10H2hi/UFO/L31S8SoQEx4AGiERWb4dPO6dY3oM1Zk+Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769167919; c=relaxed/simple; bh=qzPar7obw36NTmPt2/9vP+Zkp3egPZG/7olE6tY06Eg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:MIME-Version: Content-Type:References; b=WbkTZ1tqnMcnhUtyF2l6eMCRhLdSynoTqdOh1IdW+YFcG/uZlFht1HFHrHVRiiv5PdKz43JDdHzTstZqBkBkwgquYVmlAsO458315mWoLmk+Mtt7Z0CtAxkVjxnZT3P/dTAbU/z07LfKbH4Da6lLV+fmJ1ZP0pPLxjiZIRYJIHg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=gl+VzFkD; arc=none smtp.client-ip=203.254.224.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="gl+VzFkD" Received: from epcas5p2.samsung.com (unknown [182.195.41.40]) by mailout3.samsung.com (KnoxPortal) with ESMTP id 20260123113152epoutp030dde509c7429f1662bce3c0a1de927a7~NWNfCaD4e2126021260epoutp03R for ; Fri, 23 Jan 2026 11:31:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout3.samsung.com 20260123113152epoutp030dde509c7429f1662bce3c0a1de927a7~NWNfCaD4e2126021260epoutp03R DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1769167912; bh=6p1qnXqZOG7pC4bLUPqhPGqIpYVzEFMexCDooS72Qbs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gl+VzFkDrt8BbR6DDIkYeizehDF9OFZcBLnMLfprs2HShWIfKqAry8R7V4sS8siE+ TDLAxppRzv/c6/Ua1nBZ/SjnYBtL5AwDBwmkkhy8tooIDzVeHf0r/oZfa/rcJX1wkC 5erao1LihU0My/Fk4VDF3UIMYRmHREe1DlKd/p2c= Received: from epsnrtp02.localdomain (unknown [182.195.42.154]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPS id 20260123113152epcas5p1beb310d63acb5de9d41c9c3e3b880733~NWNevH52J2762827628epcas5p1V; Fri, 23 Jan 2026 11:31:52 +0000 (GMT) Received: from epcas5p1.samsung.com (unknown [182.195.38.91]) by epsnrtp02.localdomain (Postfix) with ESMTP id 4dyG3q2Fdhz2SSKY; Fri, 23 Jan 2026 11:31:51 +0000 (GMT) Received: from epsmtip2.samsung.com (unknown [182.195.34.31]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPA id 20260123113150epcas5p14974b694807b93b27319c33f3003dcba~NWNdrP8M70266802668epcas5p10; Fri, 23 Jan 2026 11:31:50 +0000 (GMT) Received: from test-PowerEdge-R740xd.samsungds.net (unknown [107.99.41.79]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20260123113149epsmtip2ad1a52fe6cbea5b2b91db1b2d727fbf6~NWNcmanMK2685626856epsmtip2m; Fri, 23 Jan 2026 11:31:49 +0000 (GMT) From: Neeraj Kumar To: linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, gost.dev@samsung.com Cc: a.manzanares@samsung.com, vishak.g@samsung.com, neeraj.kernel@gmail.com, Neeraj Kumar Subject: [PATCH V6 18/18] cxl/pmem: Add CXL LSA 2.1 support in cxl pmem Date: Fri, 23 Jan 2026 17:01:12 +0530 Message-Id: <20260123113112.3488381-19-s.neeraj@samsung.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260123113112.3488381-1-s.neeraj@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CMS-MailID: 20260123113150epcas5p14974b694807b93b27319c33f3003dcba X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-542,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20260123113150epcas5p14974b694807b93b27319c33f3003dcba References: <20260123113112.3488381-1-s.neeraj@samsung.com> Add support of CXL LSA 2.1 using NDD_REGION_LABELING flag. It creates cxl region based on region information parsed from LSA Reviewed-by: Jonathan Cameron Reviewed-by: Dave Jiang Signed-off-by: Neeraj Kumar --- drivers/cxl/pmem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cxl/pmem.c b/drivers/cxl/pmem.c index a6eba3572090..5970d1792be8 100644 --- a/drivers/cxl/pmem.c +++ b/drivers/cxl/pmem.c @@ -135,6 +135,7 @@ static int cxl_nvdimm_probe(struct device *dev) return rc; =20 set_bit(NDD_LABELING, &flags); + set_bit(NDD_REGION_LABELING, &flags); set_bit(NDD_REGISTER_SYNC, &flags); set_bit(ND_CMD_GET_CONFIG_SIZE, &cmd_mask); set_bit(ND_CMD_GET_CONFIG_DATA, &cmd_mask); @@ -155,6 +156,7 @@ static int cxl_nvdimm_probe(struct device *dev) return -ENOMEM; =20 dev_set_drvdata(dev, nvdimm); + create_pmem_region(nvdimm); return devm_add_action_or_reset(dev, unregister_nvdimm, nvdimm); } =20 --=20 2.34.1