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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 , Borislav Petkov , Dave Hansen , Eugene Syromiatnikov , 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 Subject: Re: [PATCH v19 12/25] mm: Introduce VM_SHSTK for shadow stack memory Message-ID: <20210204204636.GH2172@grain> References: <20210203225547.32221-1-yu-cheng.yu@intel.com> <20210203225547.32221-13-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210203225547.32221-13-yu-cheng.yu@intel.com> User-Agent: Mutt/1.14.6 (2020-07-11) X-Stat-Signature: 5kh3ogrt3n3djs1e55u61y3oi7hgh9dc X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 3379CA000BF2 Received-SPF: none (gmail.com>: No applicable sender policy available) receiver=imf07; identity=mailfrom; envelope-from=""; helo=mail-lf1-f48.google.com; client-ip=209.85.167.48 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1612471600-563569 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 Wed, Feb 03, 2021 at 02:55:34PM -0800, Yu-cheng Yu wrote: > > diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c > index 602e3a52884d..59623dcd92bb 100644 > --- a/fs/proc/task_mmu.c > +++ b/fs/proc/task_mmu.c > @@ -661,6 +661,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) > [ilog2(VM_PKEY_BIT4)] = "", > #endif > #endif /* CONFIG_ARCH_HAS_PKEYS */ > +#ifdef CONFIG_X86_CET > + [ilog2(VM_SHSTK)] = "ss", > +#endif > }; IIRC we've these abbreviations explained in documentaion (proc.rst file). Could you please update it once time permit? I think it can be done on top of the series.