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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 300A1C31E4B for ; Fri, 14 Jun 2019 15:58:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0E15E2168B for ; Fri, 14 Jun 2019 15:58:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725942AbfFNP6j (ORCPT ); Fri, 14 Jun 2019 11:58:39 -0400 Received: from mga18.intel.com ([134.134.136.126]:2001 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725775AbfFNP6j (ORCPT ); Fri, 14 Jun 2019 11:58:39 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Jun 2019 08:58:39 -0700 X-ExtLoop1: 1 Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.36]) by fmsmga001.fm.intel.com with ESMTP; 14 Jun 2019 08:58:38 -0700 Date: Fri, 14 Jun 2019 08:58:38 -0700 From: Sean Christopherson To: Nadav Amit Cc: Peter Zijlstra , Andy Lutomirski , linux-kernel@vger.kernel.org, Ingo Molnar , Borislav Petkov , x86@kernel.org, Thomas Gleixner , Dave Hansen Subject: Re: [PATCH 8/9] x86/tlb: Privatize cpu_tlbstate Message-ID: <20190614155838.GD12191@linux.intel.com> References: <20190613064813.8102-1-namit@vmware.com> <20190613064813.8102-9-namit@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190613064813.8102-9-namit@vmware.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jun 12, 2019 at 11:48:12PM -0700, Nadav Amit wrote: > diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h > index 79272938cf79..a1fea36d5292 100644 > --- a/arch/x86/include/asm/tlbflush.h > +++ b/arch/x86/include/asm/tlbflush.h ... > @@ -439,6 +442,7 @@ static inline void __native_flush_tlb_one_user(unsigned long addr) > { > u32 loaded_mm_asid = this_cpu_read(cpu_tlbstate.loaded_mm_asid); > > + //invpcid_flush_one(kern_pcid(loaded_mm_asid), addr); Leftover debug/testing code. > asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); > > if (!static_cpu_has(X86_FEATURE_PTI))