From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 CF615355026 for ; Fri, 27 Mar 2026 16:46:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774629985; cv=none; b=QCnXaiV396fWB8yWrFOMzcyjHRLNCF6IMjNcJkvjuJkwVxgRceNLEDPK4lnDlsdXNPHWHaSGoaIsNQAbA6sQ/SyRdagV5ymJ5MpMhtWHUTfjsbdMfeKm64a0vB0b92oElKG3+7INHXGbLA3HaPv1UDKBroDdltMB/JohtyOwLRs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774629985; c=relaxed/simple; bh=xaBjBm9xmI+Jjn50mkTSCSjnq5yUFZVniHrWGbO5MYc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=V94Yclf6PphhCWlFMLY/++cZAmLHRiVZwPWQf0B3AXsUClWMHqCyp7HrJUWC0svASaxAX8pa3vi+b/WfQiQgipZUQq0KX114IuylOOoK2F9jV9Qj32K5Vt1EeevFGTlqk3IgqH+LnUx3XhCDX7iBHM89fQFcQA27VclI3B+221M= 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=YiasY3my; arc=none smtp.client-ip=192.198.163.14 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="YiasY3my" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774629984; x=1806165984; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=xaBjBm9xmI+Jjn50mkTSCSjnq5yUFZVniHrWGbO5MYc=; b=YiasY3myOz6zwKJSVRE3ahsBqRVf6c3Q0RRTS8EanjS6b8g6VTpmR9FW V9/NEPzqmBCfssCKnKALtaMbEbXIyVSiRuTEHYFhO/nyLpFUPmCWFYg9z 2FwqwOi1ahyDlPNPkiZBP/XEZ3agTYwcjbvJOKlZZL+nch+icUeqBdOQT XZyCu7gkBv8eF472Kr4QRdvdWrUH9lS/KrurUbgSOBYPZ2TIV1BttRtA5 Za3ch37tcYQHC/zBFWSBnhE/XyYLvyt0hcoaKKVunsotHZA78Zp4V0W3D rENhfY6IAdUGy+SPKKJvRe/9LU91OJsTBetMKcQFtqtg3fEq8vdpktJ3s g==; X-CSE-ConnectionGUID: RFV6oL52QGaSjj8s0FqHsA== X-CSE-MsgGUID: 5NKyPVXqQH2QFJvmAZe8zw== X-IronPort-AV: E=McAfee;i="6800,10657,11742"; a="75772449" X-IronPort-AV: E=Sophos;i="6.23,144,1770624000"; d="scan'208";a="75772449" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 09:46:23 -0700 X-CSE-ConnectionGUID: Wb7rTEY+R8ObQVbE8yI98A== X-CSE-MsgGUID: PQmwxOZ2RayJfERnRTbFrA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,144,1770624000"; d="scan'208";a="230288885" Received: from sghuge-mobl2.amr.corp.intel.com (HELO [10.125.110.180]) ([10.125.110.180]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 09:46:23 -0700 Message-ID: <4361824f-7346-47a4-9339-1dc33fc0a127@intel.com> Date: Fri, 27 Mar 2026 09:46:21 -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 5/9] dax/hmem: Reduce visibility of dax_cxl coordination symbols To: Dan Williams Cc: patches@lists.linux.dev, linux-cxl@vger.kernel.org, alison.schofield@intel.com, Smita.KoralahalliChannabasappa@amd.com References: <20260327052821.440749-1-dan.j.williams@intel.com> <20260327052821.440749-6-dan.j.williams@intel.com> Content-Language: en-US From: Dave Jiang In-Reply-To: <20260327052821.440749-6-dan.j.williams@intel.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/26/26 10:28 PM, Dan Williams wrote: > No other module or use case should be using dax_hmem_initial_probe or > dax_hmem_flush_work(). Limit their use to dax_hmem, and dax_cxl > respectively. > > Signed-off-by: Dan Williams Reviewed-by: Dave Jiang > --- > drivers/dax/hmem/device.c | 2 +- > drivers/dax/hmem/hmem.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/dax/hmem/device.c b/drivers/dax/hmem/device.c > index 991a4bf7d969..675d56276d78 100644 > --- a/drivers/dax/hmem/device.c > +++ b/drivers/dax/hmem/device.c > @@ -9,7 +9,7 @@ static bool nohmem; > module_param_named(disable, nohmem, bool, 0444); > > bool dax_hmem_initial_probe; > -EXPORT_SYMBOL_GPL(dax_hmem_initial_probe); > +EXPORT_SYMBOL_FOR_MODULES(dax_hmem_initial_probe, "dax_hmem"); > > static bool platform_initialized; > static DEFINE_MUTEX(hmem_resource_lock); > diff --git a/drivers/dax/hmem/hmem.c b/drivers/dax/hmem/hmem.c > index b2ab1292fa81..dd3d7f93baee 100644 > --- a/drivers/dax/hmem/hmem.c > +++ b/drivers/dax/hmem/hmem.c > @@ -74,7 +74,7 @@ void dax_hmem_flush_work(void) > { > flush_work(&dax_hmem_work.work); > } > -EXPORT_SYMBOL_GPL(dax_hmem_flush_work); > +EXPORT_SYMBOL_FOR_MODULES(dax_hmem_flush_work, "dax_cxl"); > > static int __hmem_register_device(struct device *host, int target_nid, > const struct resource *res)