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Date: Thu, 21 May 2020 10:15:56 -0500 From: Josh Poimboeuf <jpoimboe@...hat.com> To: Yu-cheng Yu <yu-cheng.yu@...el.com> Cc: x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org, linux-mm@...ck.org, linux-arch@...r.kernel.org, linux-api@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, Andy Lutomirski <luto@...nel.org>, Balbir Singh <bsingharora@...il.com>, Borislav Petkov <bp@...en8.de>, Cyrill Gorcunov <gorcunov@...il.com>, Dave Hansen <dave.hansen@...ux.intel.com>, Eugene Syromiatnikov <esyr@...hat.com>, Florian Weimer <fweimer@...hat.com>, "H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>, Jonathan Corbet <corbet@....net>, Kees Cook <keescook@...omium.org>, Mike Kravetz <mike.kravetz@...cle.com>, Nadav Amit <nadav.amit@...il.com>, Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>, Peter Zijlstra <peterz@...radead.org>, Randy Dunlap <rdunlap@...radead.org>, "Ravi V. Shankar" <ravi.v.shankar@...el.com>, Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>, Dave Martin <Dave.Martin@....com>, Weijiang Yang <weijiang.yang@...el.com> Subject: Re: [PATCH v10 00/26] Control-flow Enforcement: Shadow Stack On Wed, Apr 29, 2020 at 03:07:06PM -0700, Yu-cheng Yu wrote: > Control-flow Enforcement (CET) is a new Intel processor feature that blocks > return/jump-oriented programming attacks. Details can be found in "Intel > 64 and IA-32 Architectures Software Developer's Manual" [1]. > > This series depends on the XSAVES supervisor state series that was split > out and submitted earlier [2]. > > I have gone through previous comments, and hope all concerns have been > resolved now. Please inform me if anything is overlooked. > > Changes in v10: Hi Yu-cheng, Do you have a git branch with the latest Shadow Stack and IBT branches applied? I tried to apply IBT v9 on top of this, but I guess the SS code has changed since then and it didn't apply cleanly. -- Josh
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