From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC PATCH 5/5] selftest/x86: Add CET quick test
Date: Fri, 22 May 2020 19:27:11 +0200
Message-ID: <20200522172711.GA317569@hirez.programming.kicks-ass.net>
References: <20200521211720.20236-1-yu-cheng.yu@intel.com>
 <20200521211720.20236-6-yu-cheng.yu@intel.com>
 <20200522092848.GJ325280@hirez.programming.kicks-ass.net>
 <202005221020.B578B8C6@keescook>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-doc-owner@vger.kernel.org>
Content-Disposition: inline
In-Reply-To: <202005221020.B578B8C6@keescook>
Sender: linux-doc-owner@vger.kernel.org
To: Kees Cook <keescook@chromium.org>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, 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 <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>, Balbir Singh <bsingharora@gmail.com>, Borislav Petkov <bp@alien8.de>, Cyrill Gorcunov <gorcunov@gmail.com>, Dave Hansen <dave.hansen@linux.intel.com>, Eugene Syromiatnikov <esyr@redhat.com>, Florian Weimer <fweimer@redhat.com>, "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>, Mike Kravetz <mike.kravetz@oracle.com>, Nadav Amit <nadav.amit@gmail.com>
List-Id: linux-arch.vger.kernel.org

On Fri, May 22, 2020 at 10:22:51AM -0700, Kees Cook wrote:

> But yes, I think getting a copy of asm.h would be nice here. I don't
> think the WRITE_ONCE() is needed in this particular case. Hmm.

Paranoia on my end because I had no clue wth he wanted with his -O0
magic gunk.

From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=tTjP=7E=kvack.org=owner-linux-mm@kernel.org>
Date: Fri, 22 May 2020 19:27:11 +0200
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC PATCH 5/5] selftest/x86: Add CET quick test
Message-ID: <20200522172711.GA317569@hirez.programming.kicks-ass.net>
References: <20200521211720.20236-1-yu-cheng.yu@intel.com>
 <20200521211720.20236-6-yu-cheng.yu@intel.com>
 <20200522092848.GJ325280@hirez.programming.kicks-ass.net>
 <202005221020.B578B8C6@keescook>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <202005221020.B578B8C6@keescook>
Sender: owner-linux-mm@kvack.org
To: Kees Cook <keescook@chromium.org>
Cc: Yu-cheng Yu <yu-cheng.yu@intel.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, 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 <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>, Balbir Singh <bsingharora@gmail.com>, Borislav Petkov <bp@alien8.de>, Cyrill Gorcunov <gorcunov@gmail.com>, Dave Hansen <dave.hansen@linux.intel.com>, Eugene Syromiatnikov <esyr@redhat.com>, Florian Weimer <fweimer@redhat.com>, "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>, Mike Kravetz <mike.kravetz@oracle.com>, Nadav Amit <nadav.amit@gmail.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>, Randy Dunlap <rdunlap@infradead.org>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>, Dave Martin <Dave.Martin@arm.com>, Weijiang Yang <weijiang.yang@intel.com>
List-ID: <linux-arch.vger.kernel.org>
Message-ID: <20200522172711.kShNSNDtF8dTgwP1Z9tjMPsag1263fm7Scke0VePVko@z>

On Fri, May 22, 2020 at 10:22:51AM -0700, Kees Cook wrote:

> But yes, I think getting a copy of asm.h would be nice here. I don't
> think the WRITE_ONCE() is needed in this particular case. Hmm.

Paranoia on my end because I had no clue wth he wanted with his -O0
magic gunk.