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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 , Cyrill Gorcunov , Dave Hansen , Florian Weimer , "H.J. Lu" , Jann Horn , Jonathan Corbet , Kees Cook , Mike Kravetz , Nadav Amit , Oleg Nesterov , Pavel Machek , Peter Zijlstra , Randy Dunlap , "Ravi V. Shankar" , Vedvyas Shanbhogue , Dave Martin , Weijiang Yang , Pengfei Xu , Haitao Huang Subject: Re: [PATCH v26 24/30] x86/cet/shstk: Introduce shadow stack token setup/verify routines Message-ID: References: <20210427204315.24153-1-yu-cheng.yu@intel.com> <20210427204315.24153-25-yu-cheng.yu@intel.com> <20210518001316.GR15897@asgard.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210518001316.GR15897@asgard.redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 18, 2021 at 02:14:14AM +0200, Eugene Syromiatnikov wrote: > Speaking of which, I wonder what would happen if a 64-bit process makes > a 32-bit system call (using int 0x80, for example), and gets a signal. I guess that's the next patch. And I see amluto has some concerns... /me goes read. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette