From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) (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 505A31867 for ; Wed, 20 Apr 2022 18:08:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650478107; x=1682014107; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-transfer-encoding:mime-version; bh=r82xGPoK3ahf1ghSuP5NKUG1BQLSZ7HM9W5TELKA3TA=; b=Gyx9YdO42MVGihRJ4g5jSleDVdB3IsLOFP5H9bQVVMQdOYJrxrSYM2xB q5la0mJGWpSWVhnvGGHWEpaN5s4L1AAYq2ufUYX4B+B0BkbOdmGJ5TS30 QEbICsfwKfu6pyXaG8i+5GEZVyqhvNh9aeX3bhmTMVZWKwrR77EouLAqp hNZ/LNo1te5o5Yq6I1n3mXhQ6Fsrq6/g0+5iFaG/AqXHAvIyC4tdwXnIS sIaIUrx/GbBtL6pRv75y1oXayb/FUK/obdKIgZ4q5vloSU6aTyiJf97Gj 9taRiE2IJzXFbdoi2ZXGLXfVgBlDfSgfrmaxp4jhT1ANMSK8lkaSHYU8X A==; X-IronPort-AV: E=McAfee;i="6400,9594,10323"; a="264288358" X-IronPort-AV: E=Sophos;i="5.90,276,1643702400"; d="scan'208";a="264288358" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Apr 2022 11:08:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,276,1643702400"; d="scan'208";a="626162563" Received: from fmsmsx606.amr.corp.intel.com ([10.18.126.86]) by fmsmga004.fm.intel.com with ESMTP; 20 Apr 2022 11:08:21 -0700 Received: from fmsmsx611.amr.corp.intel.com (10.18.126.91) by fmsmsx606.amr.corp.intel.com (10.18.126.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Wed, 20 Apr 2022 11:08:21 -0700 Received: from fmsmsx610.amr.corp.intel.com (10.18.126.90) by fmsmsx611.amr.corp.intel.com (10.18.126.91) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.27; Wed, 20 Apr 2022 11:08:20 -0700 Received: from fmsmsx610.amr.corp.intel.com ([10.18.126.90]) by fmsmsx610.amr.corp.intel.com ([10.18.126.90]) with mapi id 15.01.2308.027; Wed, 20 Apr 2022 11:08:20 -0700 From: "Luck, Tony" To: Greg KH CC: "Williams, Dan J" , Hans de Goede , "markgross@kernel.org" , "Thomas Gleixner" , Ingo Molnar , "Borislav Petkov" , Dave Hansen , X86 ML , "H. Peter Anvin" , Jonathan Corbet , Andy Shevchenko , "Joseph, Jithu" , "Raj, Ashok" , Steven Rostedt , Linux Kernel Mailing List , Linux Doc Mailing List , "platform-driver-x86@vger.kernel.org" , "patches@lists.linux.dev" , "Shankar, Ravi V" Subject: RE: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan) Thread-Topic: [PATCH v3 03/11] platform/x86/intel/ifs: Create device for Intel IFS (In Field Scan) Thread-Index: AQHYVAv92LA3gQ6+7UWRqBVIgiQr06z355WAgAAWzYCAAOUNAIAACuQAgACb+YD//4u7sIAAeViA//+LFxA= Date: Wed, 20 Apr 2022 18:08:20 +0000 Message-ID: References: <20220407191347.9681-1-jithu.joseph@intel.com> <20220419163859.2228874-1-tony.luck@intel.com> <20220419163859.2228874-4-tony.luck@intel.com> <578be5d8874f4942a58adf5f64c4e817@intel.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.6.401.20 x-originating-ip: [10.1.200.100] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 >> Or is it ok for them all to sit at the top level of /sys/devices/virtual= ? > > How many do you have? > > And why is a directory needed for just one tiny driver type? One today. Two tomorrow (internally ... next gen CPU). Three eventually (That's how many are on the roadmap that I can see). -Tony