From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752778AbeBFUEs (ORCPT ); Tue, 6 Feb 2018 15:04:48 -0500 Received: from mga12.intel.com ([192.55.52.136]:1974 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751574AbeBFUEq (ORCPT ); Tue, 6 Feb 2018 15:04:46 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,470,1511856000"; d="scan'208";a="15981932" Date: Tue, 6 Feb 2018 22:04:41 +0200 From: Jarkko Sakkinen To: Tomas Winkler Cc: Jason Gunthorpe , Alexander Usyskin , linux-integrity@vger.kernel.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2 v2] tpm: separate cmd_ready/go_idle from runtime_pm Message-ID: <20180206200441.c2fnehekqbk3jcsg@linux.intel.com> References: <20180128075101.6883-1-tomas.winkler@intel.com> <20180128075101.6883-3-tomas.winkler@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180128075101.6883-3-tomas.winkler@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jan 28, 2018 at 09:51:01AM +0200, Tomas Winkler wrote: > We cannot use go_idle cmd_ready commands via runtime_pm handles > as with the introduction of localities this is no longer an optional > feature, while runtime pm can be not enabled. > Though cmd_ready/go_idle provides power saving feature, it's also part of > TPM2 protocol and should be called explicitly. > This patch exposes cmd_read/go_idle via tpm class ops and removes > runtime pm support as it is not used by any driver. > > Signed-off-by: Tomas Winkler Makes sense so that only 1/2 woud need to be backported to stable (1/2 should probably have cc for stable). /Jarkko From mboxrd@z Thu Jan 1 00:00:00 1970 From: jarkko.sakkinen@linux.intel.com (Jarkko Sakkinen) Date: Tue, 6 Feb 2018 22:04:41 +0200 Subject: [PATCH 2/2 v2] tpm: separate cmd_ready/go_idle from runtime_pm In-Reply-To: <20180128075101.6883-3-tomas.winkler@intel.com> References: <20180128075101.6883-1-tomas.winkler@intel.com> <20180128075101.6883-3-tomas.winkler@intel.com> Message-ID: <20180206200441.c2fnehekqbk3jcsg@linux.intel.com> To: linux-security-module@vger.kernel.org List-Id: linux-security-module.vger.kernel.org On Sun, Jan 28, 2018 at 09:51:01AM +0200, Tomas Winkler wrote: > We cannot use go_idle cmd_ready commands via runtime_pm handles > as with the introduction of localities this is no longer an optional > feature, while runtime pm can be not enabled. > Though cmd_ready/go_idle provides power saving feature, it's also part of > TPM2 protocol and should be called explicitly. > This patch exposes cmd_read/go_idle via tpm class ops and removes > runtime pm support as it is not used by any driver. > > Signed-off-by: Tomas Winkler Makes sense so that only 1/2 woud need to be backported to stable (1/2 should probably have cc for stable). /Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-security-module" in the body of a message to majordomo at vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html