From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 B1C712F6939; Wed, 19 Nov 2025 23:37:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763595470; cv=none; b=tvA4jm3IuwwbC0quJ8sDl0f1GkOlnHyDJiYYC6kl53alQsACxo9la2RERvqx+5g9jHspzBHzolzesIivarK1DHkD/nBodnfJNQVAH621fXO12MRq/z9dhAYgENVq42GrS6ZWek3OCtRMB3ap0RE9auPEixP+BvrheI3pLGtDZQY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763595470; c=relaxed/simple; bh=2XIewdj09S03gQHRuGuQsn1H9XTaN+n76gCQSsKRxWU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=abm722hc1RQtIIapjC1H+HgQ+mRH6I/Eti/70flAz3faluwG0tZc4fjjrZ2YMou+QZe4UsRjwVhaWkHNmLTsvHXAuPvGJ99hcPaBuj2H4EDOepIm1ukE8C6FVeHZK/yJB9lVcopxJ9NqAh1WzBQJ47rN2njnitaP6QG3olCOGgU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=WKU3mns3; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="WKU3mns3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763595469; x=1795131469; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=2XIewdj09S03gQHRuGuQsn1H9XTaN+n76gCQSsKRxWU=; b=WKU3mns3hUspPPOUr+Q0jChBLF8QKVQyQr1ReCE6hQCFBuPFxgUecZB3 A4o84Hw9p35tt1ErokRB5SpLP/ZXV2Pp6APPc3M0wz0IpoWA9uwD8SY6n SWWb5hal9REUgJ7FU3dkKy4e82af+tJk2iCOpZOb8HNBCj881FtUapYAU BtgFKwNW5S5Bl2WJwGPVg4WYKHrJH9BSdT5ZJexyE2nk++pEIWPy6kyGt 4IFWOdCl7jEdtHaNBi69WY9BmkQc1jxI3EPzZQq2lXfJUYAcgFWsVJJxn uv4c7Q5JSl3ApHGiO5+iBnyPFscFQpOFi9KezY+TyUl/e3tFlbvciJrOG g==; X-CSE-ConnectionGUID: 62QkfjMfReelyGGkmA1xvg== X-CSE-MsgGUID: x+Ptr0icSsicwp22wFEMUw== X-IronPort-AV: E=McAfee;i="6800,10657,11618"; a="83041690" X-IronPort-AV: E=Sophos;i="6.19,316,1754982000"; d="scan'208";a="83041690" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2025 15:37:49 -0800 X-CSE-ConnectionGUID: sulBbjipTbq5clXifbiXfw== X-CSE-MsgGUID: 3aDI58PORyCwq/FVIFa54w== X-ExtLoop1: 1 Received: from cmdeoliv-mobl4.amr.corp.intel.com (HELO [10.125.109.179]) ([10.125.109.179]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2025 15:37:48 -0800 Message-ID: <3c7daa78-7eb6-4fef-b68f-2bda9c489958@intel.com> Date: Wed, 19 Nov 2025 16:37:46 -0700 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH V4 17/17] cxl/pmem: Add CXL LSA 2.1 support in cxl pmem To: Neeraj Kumar , 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 References: <20251119075255.2637388-1-s.neeraj@samsung.com> <20251119075255.2637388-18-s.neeraj@samsung.com> From: Dave Jiang Content-Language: en-US In-Reply-To: <20251119075255.2637388-18-s.neeraj@samsung.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/19/25 12:52 AM, Neeraj Kumar wrote: > Add support of CXL LSA 2.1 using NDD_REGION_LABELING flag. It creates > cxl region based on region information parsed from LSA > > Signed-off-by: Neeraj Kumar Reviewed-by: Dave Jiang > --- > 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; > > 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; > > dev_set_drvdata(dev, nvdimm); > + create_pmem_region(nvdimm); > return devm_add_action_or_reset(dev, unregister_nvdimm, nvdimm); > } >