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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87B25C433EF for ; Fri, 15 Apr 2022 19:07:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347427AbiDOTJr (ORCPT ); Fri, 15 Apr 2022 15:09:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243989AbiDOTJn (ORCPT ); Fri, 15 Apr 2022 15:09:43 -0400 Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CED7DDAFF8 for ; Fri, 15 Apr 2022 12:07:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1650049634; x=1681585634; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=N5QZMTpSuxuuC/JrRfv1HnnxupDIgOPC/dOq/bciEhQ=; b=bddlrUzqdecOgRVll85KwtE+/vUhqyM7/zdYckyPu/60lT18Fxmhv0Ve dw9uBtt7O6sQ0Og/uzs+FMHGh9Un5uiH35hjEkTs+faCAypD2A+Wyxg9D lA8ULOXcgb0G54wVdhy0dNO3k02doL5wTiqJwqrh/i2tj8MBS9GL0lye4 0bSZ9OVM7NVISKWd+5zuYVvFaR8Eu5WKVAqC50Pvxk7H6Uh3kO21YK5wc jlSjNWn0xkFLv44C19F0+9ClP4TzRVNa/uQgMtYIdoknfCn2vdrR+ChaH 6pPHYvmBWtXE0mWTcqN6zSYPJD85IC3+/fXO6+vGpKTd+JWrNERvpJN+U w==; X-IronPort-AV: E=McAfee;i="6400,9594,10318"; a="262068616" X-IronPort-AV: E=Sophos;i="5.90,263,1643702400"; d="scan'208";a="262068616" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2022 12:07:14 -0700 X-IronPort-AV: E=Sophos;i="5.90,263,1643702400"; d="scan'208";a="553275527" Received: from fyu1.sc.intel.com ([172.25.103.126]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2022 12:07:14 -0700 Date: Fri, 15 Apr 2022 12:07:44 -0700 From: Fenghua Yu To: "zhangfei.gao@foxmail.com" Cc: Dave Hansen , Joerg Roedel , jean-philippe , Ravi V Shankar , Tony Luck , Ashok Raj , Peter Zijlstra , Dave Hansen , x86 , linux-kernel , iommu , Ingo Molnar , Borislav Petkov , Andy Lutomirski , Josh Poimboeuf , Thomas Gleixner Subject: Re: [PATCH v4 05/11] iommu/sva: Assign a PASID to mm on PASID allocation and free it on mm exit Message-ID: References: <99bcb9f5-4776-9c40-a776-cdecfa9e1010@foxmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Zhangfei, On Fri, Apr 15, 2022 at 07:52:03PM +0800, zhangfei.gao@foxmail.com wrote: > > On my X86 machine, nginx doesn't trigger the kernel sva binding function > > to allocate ioasid. I tried pre- nstalled nginx/openssl and also tried my built > > a few versions of nginx/openssl. nginx does call OPENSSL_init_ssl() but > > doesn't go to the binding function. Don't know if it's my configuration issue. > > Maybe you can give me some advice? > I am using openssl engine, which use crypto driver and using sva via uacce. > nginx -> openssl -> openssl engine -> sva related. uacce is not used on X86. That's why I cannot test IOASID/PASID by nginx on X86. I only can test the RFC patch by other test tools via IDXD driver which uses PASID on X86. Thanks. -Fenghua