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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6D2DC433FE for ; Tue, 15 Nov 2022 20:23:45 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 05C046B0072; Tue, 15 Nov 2022 15:23:45 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 00B2A6B0073; Tue, 15 Nov 2022 15:23:44 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E3CD28E0001; Tue, 15 Nov 2022 15:23:44 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id D7EB76B0072 for ; Tue, 15 Nov 2022 15:23:44 -0500 (EST) Received: from smtpin07.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id AF71540FA6 for ; Tue, 15 Nov 2022 20:23:44 +0000 (UTC) X-FDA: 80136802368.07.44246A7 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf22.hostedemail.com (Postfix) with ESMTP id 5620DC0011 for ; Tue, 15 Nov 2022 20:23:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=6jLh684q0i2DlF59Q/LASmUdX+Kz5SV+3+RI44Jc9oA=; b=kJneZR+NyIAxbgBEKbrWlVj82S Q6Eddm+m0GcyshkgQ9O8fN+1r8e7QfNfeQh40dlLXeO42XuWL8VOJ5gPzAfVnrAdOdpeMejD3S07X 6jBqE4qXBwUpUP5g6lVDO+9zskKa7tr5kYfW3fojSmutF9zf8IqeHIsY7Dgpyh0uc5kFClDGJ+pvw 1GRgj+ueQ+/2BpdhLMMx9QV/pCJRin4bEEXvkVDpGXNG9q3AM+Xu/qss7ZcnAlQVxJ2o1Fkq0YaPa maxzBV6QK0he2I0k2+jdtNhVDqLfVTTKpzFfuEaNVxg8NYSdeaomAF0gKTCGFH72n5Fr+ngBv3ud+ ZSmEP6rg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1ov2T0-00GbpW-Uq; Tue, 15 Nov 2022 20:23:35 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 8A63A301BE3; Tue, 15 Nov 2022 15:25:47 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 6AB7A2015BE8A; Tue, 15 Nov 2022 15:25:47 +0100 (CET) Date: Tue, 15 Nov 2022 15:25:47 +0100 From: Peter Zijlstra To: Rick Edgecombe Cc: x86@kernel.org, "H . Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann , Andy Lutomirski , Balbir Singh , Borislav Petkov , Cyrill Gorcunov , Dave Hansen , Eugene Syromiatnikov , Florian Weimer , "H . J . Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Randy Dunlap , "Ravi V . Shankar" , Weijiang Yang , "Kirill A . Shutemov" , John Allen , kcc@google.com, eranian@google.com, rppt@kernel.org, jamorris@linux.microsoft.com, dethoma@microsoft.com, akpm@linux-foundation.org Subject: Re: [PATCH v3 24/37] x86: Introduce userspace API for CET enabling Message-ID: References: <20221104223604.29615-1-rick.p.edgecombe@intel.com> <20221104223604.29615-25-rick.p.edgecombe@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221104223604.29615-25-rick.p.edgecombe@intel.com> ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1668543824; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6jLh684q0i2DlF59Q/LASmUdX+Kz5SV+3+RI44Jc9oA=; b=sFXktPK7O5hDJel8+kAbKdFuDjC3sfGgJeR9Wl55NaaWPP+Zxt/5Oumvx2tG2SMCVMYUCK 8dx9h+Q4DhEZncXRDhadt6IrBnQlULAgF42tUWjz8MjYqzgAYreika7Z7LI3ocsCjI4ubq DDwTB08VpPrmIFBa3SIKTu3ggoRhfEA= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=kJneZR+N; dmarc=none; spf=none (imf22.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1668543824; a=rsa-sha256; cv=none; b=oQQ7o0RzNBvEAUk7FwyKmlxeRUnAxEHv1FUCG64FmyKIly0traUiKEaf+HyqaQAsQdHQpP C/CU6YnNNh+F6wZLjW/g8FoDvm98Khs/PPqASIiZ9R0GQpdyWYvm1LISgPv5coBvVfJVen nnJDNL3b1Gni4cIhFe5tH1oJLVG57n0= X-Rspam-User: X-Stat-Signature: ntherem73a7bapgjdi4tg7qynoi6rxf7 X-Rspamd-Queue-Id: 5620DC0011 Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=kJneZR+N; dmarc=none; spf=none (imf22.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=peterz@infradead.org X-Rspamd-Server: rspam07 X-HE-Tag: 1668543824-226490 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Nov 04, 2022 at 03:35:51PM -0700, Rick Edgecombe wrote: > arch/x86/include/asm/cet.h | 21 +++++++++++++++ > arch/x86/kernel/shstk.c | 44 +++++++++++++++++++++++++++++++ You see what's going wrong there? Eradicate the CET...