From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout1.samsung.com (mailout1.samsung.com [203.254.224.24]) (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 4272E304BB2 for ; Sun, 8 Mar 2026 04:30:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.254.224.24 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772944213; cv=none; b=Bm+35UiW17aBqSsTZIsDs4sh7OPhrh6STW+HQHjU3hhwy/Ts5d5WKpu3C3maKhZLDsqSzAAfEvXBt3cWb9jY0awxAlp9RiqkFpjUPsYctPrj6wtcB/h3nPjO29U88a037sGWpaOR5aEFJ7lbZEGwffEGApaUoETKL4VGJGfm658= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772944213; c=relaxed/simple; bh=0qgP1SzBYD+UBYHM7QR056M5D5ActHvOI5e8wnBlFYo=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:In-Reply-To: Content-Type:References; b=EiWzFg0WEpUGCwO7qdNpSs6Ij/jEt0BNCQkG1fOvL8j9EzTRkGXPT/AvgsLiHUjeONeHbpX57T/qmRBEL57loAcwS3t4RUF6fDtye0YOoRq/EdPHqM3YliV/aNWqlc6k6h0Dp2vSWEkKKiKkC834tjEhvsVhEvQtwObv2r6+AH4= 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=FMXcsjln; arc=none smtp.client-ip=203.254.224.24 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="FMXcsjln" Received: from epcas5p1.samsung.com (unknown [182.195.41.39]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20260308043002epoutp01a83c7180e2ca0d29b586bb8198335e51~aw1vAsUY61194711947epoutp01O for ; Sun, 8 Mar 2026 04:30:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20260308043002epoutp01a83c7180e2ca0d29b586bb8198335e51~aw1vAsUY61194711947epoutp01O DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1772944202; bh=N1fuOX8nls70mXuE38bUprfyJ1x0tNIUNCbRv9tyeHs=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=FMXcsjlncXWuQULEYskrN23Yx4ZsI/+uatDGJBFH8iyWTKpW3qh2myeVzjkTG6lkM pj5wLRhA+28g/Oy02lDSMi3CxWoPFduawY8cbZl7FrxmfX1yz40rmrcCzMl5sO4HG6 4WFdTTeR7RfioU4snCeCV1YOwOQNj+69bOHdg22Y= Received: from epsnrtp02.localdomain (unknown [182.195.42.154]) by epcas5p2.samsung.com (KnoxPortal) with ESMTPS id 20260308043001epcas5p254afd7af8b38ab4a9b894d3da24bb460~aw1ujENVN2746927469epcas5p2N; Sun, 8 Mar 2026 04:30:01 +0000 (GMT) Received: from epcpadp1new (unknown [182.195.40.141]) by epsnrtp02.localdomain (Postfix) with ESMTP id 4fT6cn4W4kz2SSKZ; Sun, 8 Mar 2026 04:30:01 +0000 (GMT) Received: from epsmtip1.samsung.com (unknown [182.195.34.30]) by epcas5p3.samsung.com (KnoxPortal) with ESMTPA id 20260306102615epcas5p3d75eee2880f9c2e52d3a7eb29c1b1e1b~aOaL_LdTd0510005100epcas5p3e; Fri, 6 Mar 2026 10:26:15 +0000 (GMT) Received: from test-PowerEdge-R740xd (unknown [107.99.41.79]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20260306102614epsmtip1394ce8285158e3a6411ec2f143f759b1~aOaKuVztH1949319493epsmtip1a; Fri, 6 Mar 2026 10:26:14 +0000 (GMT) Date: Fri, 6 Mar 2026 15:56:09 +0530 From: Neeraj Kumar To: Dave Jiang Cc: linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, gost.dev@samsung.com, a.manzanares@samsung.com, vishak.g@samsung.com, neeraj.kernel@gmail.com, cpgs@samsung.com Subject: Re: [PATCH V6 00/18] Add CXL LSA 2.1 format support in nvdimm and cxl pmem Message-ID: <1983025922.01772944201612.JavaMail.epsvc@epcpadp1new> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <46584975-f4c5-4f3a-80b2-2ef5a0e4dd6b@intel.com> X-CMS-MailID: 20260306102615epcas5p3d75eee2880f9c2e52d3a7eb29c1b1e1b X-Msg-Generator: CA Content-Type: multipart/mixed; boundary="----Z2c.vZYTqadSC4aRsepS5iQJaG.Uxsawwox_nsRND3Ee9O4E=_73e4c_" CMS-TYPE: 105P X-CPGSPASS: Y X-Hop-Count: 3 X-CMS-RootMailID: 20260123113121epcas5p125bc64b4714525d7bbd489cd9be9ba91 References: <20260123113112.3488381-1-s.neeraj@samsung.com> <46584975-f4c5-4f3a-80b2-2ef5a0e4dd6b@intel.com> ------Z2c.vZYTqadSC4aRsepS5iQJaG.Uxsawwox_nsRND3Ee9O4E=_73e4c_ Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Disposition: inline On 23/01/26 10:52AM, Dave Jiang wrote: > > >On 1/23/26 4:30 AM, Neeraj Kumar wrote: >> Introduction: >> ============= >> CXL Persistent Memory (Pmem) devices region, namespace and content must be >> persistent across system reboot. In order to achieve this persistency, it >> uses Label Storage Area (LSA) to store respective metadata. During system >> reboot, stored metadata in LSA is used to bring back the region, namespace >> and content of CXL device in its previous state. >> CXL specification provides Get_LSA (4102h) and Set_LSA (4103h) mailbox >> commands to access the LSA area. nvdimm driver is using same commands to >> get/set LSA data. > >Hi Neeraj, >I'm attempting to vet the series before applying to cxl/next. But it seems to be failing multiple unit regression tests in cxl_test. We need to figure out why before the series can be merged. Most likely the changes in this series also require cxl_test updates. Can you please take a look? I will also take a look and try to help you address the issues. Thanks > >Ok: 10 >Expected Fail: 0 >Fail: 4 >Unexpected Pass: 0 >Skipped: 1 >Timeout: 0 > >The script below [1] can get you up and running with a qemu environment where you can run cxl_test. > >.../run_qemu/run_qemu.sh --cxl --cxl-test --cxl-debug --hmat -r wipe > >cd ndctl >meson test -C build --suite=cxl > >[1] https://github.com/pmem/run_qemu > >DJ Sure Dave, I am able to reproduce the same, I will analyze and fix them in next patch series. Regards, Neeraj ------Z2c.vZYTqadSC4aRsepS5iQJaG.Uxsawwox_nsRND3Ee9O4E=_73e4c_ Content-Type: text/plain; charset="utf-8" ------Z2c.vZYTqadSC4aRsepS5iQJaG.Uxsawwox_nsRND3Ee9O4E=_73e4c_--