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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201106232908.364581-5-ira.weiny@intel.com> Content-Language: en-US Message-ID-Hash: QFFPIO2RQBSSLPHTYAYHDDI3DBUJPUXI X-Message-ID-Hash: QFFPIO2RQBSSLPHTYAYHDDI3DBUJPUXI X-MailFrom: dave.hansen@intel.com X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation CC: Fenghua Yu , x86@kernel.org, linux-kernel@vger.kernel.org, Andrew Morton , linux-doc@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, Greg KH X-Mailman-Version: 3.1.1 Precedence: list List-Id: "Linux-nvdimm developer list." Archived-At: List-Archive: List-Help: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 11/6/20 3:29 PM, ira.weiny@intel.com wrote: > void disable_TSC(void) > @@ -644,6 +668,8 @@ void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p) > > if ((tifp ^ tifn) & _TIF_SLD) > switch_to_sld(tifn); > + > + pks_sched_in(); > } Does the selftest for this ever actually schedule()? I see it talking about context switching, but I don't immediately see how it would. _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 106BBC2BBCF for ; Thu, 17 Dec 2020 20:42:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA7B323A31 for ; Thu, 17 Dec 2020 20:42:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730860AbgLQUmg (ORCPT ); Thu, 17 Dec 2020 15:42:36 -0500 Received: from mga07.intel.com ([134.134.136.100]:38593 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728173AbgLQUmf (ORCPT ); Thu, 17 Dec 2020 15:42:35 -0500 IronPort-SDR: NwCWZ0XeMDy1YcOLJgNyQ/6pTzLOx/ZLdBHfjoD81xOcRKCpWeBUygWZoGSXV+iMNfOmXrcYNi tbJZlQ0QQ0JQ== X-IronPort-AV: E=McAfee;i="6000,8403,9838"; a="239419660" X-IronPort-AV: E=Sophos;i="5.78,428,1599548400"; d="scan'208";a="239419660" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 12:41:52 -0800 IronPort-SDR: vMqcelFZkNKz8vAko4tCHOPMa2KxvD9eHIN8YBYVMFXo3hMfi9PxbzJyIdr5mWvvQ7LKO6vevf Zi2Eee9tuGIw== X-IronPort-AV: E=Sophos;i="5.78,428,1599548400"; d="scan'208";a="558185094" Received: from jlcowper-mobl1.amr.corp.intel.com (HELO [10.212.113.48]) ([10.212.113.48]) by orsmga005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Dec 2020 12:41:51 -0800 Subject: Re: [NEEDS-REVIEW] [PATCH V3 04/10] x86/pks: Preserve the PKRS MSR on context switch To: ira.weiny@intel.com, Thomas Gleixner , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Peter Zijlstra , Dave Hansen Cc: Fenghua Yu , x86@kernel.org, linux-kernel@vger.kernel.org, Andrew Morton , linux-doc@vger.kernel.org, linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, Dan Williams , Greg KH References: <20201106232908.364581-1-ira.weiny@intel.com> <20201106232908.364581-5-ira.weiny@intel.com> From: Dave Hansen Autocrypt: addr=dave.hansen@intel.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201106232908.364581-5-ira.weiny@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/6/20 3:29 PM, ira.weiny@intel.com wrote: > void disable_TSC(void) > @@ -644,6 +668,8 @@ void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p) > > if ((tifp ^ tifn) & _TIF_SLD) > switch_to_sld(tifn); > + > + pks_sched_in(); > } Does the selftest for this ever actually schedule()? I see it talking about context switching, but I don't immediately see how it would.