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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 , 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 , Haitao Huang , Rick P Edgecombe , "Kirill A . Shutemov" Subject: Re: [PATCH v28 14/32] mm: Introduce VM_SHADOW_STACK for shadow stack memory Message-ID: References: <20210722205219.7934-1-yu-cheng.yu@intel.com> <20210722205219.7934-15-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210722205219.7934-15-yu-cheng.yu@intel.com> X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 4D0946010C33 X-Stat-Signature: 3a9yim7erh6i6sxh7hbxmxpmah6wp87x Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=alien8.de header.s=dkim header.b=VnK6ZyGj; dmarc=pass (policy=none) header.from=alien8.de; spf=pass (imf10.hostedemail.com: domain of bp@alien8.de designates 5.9.137.197 as permitted sender) smtp.mailfrom=bp@alien8.de X-HE-Tag: 1629131717-705472 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 Thu, Jul 22, 2021 at 01:52:01PM -0700, Yu-cheng Yu wrote: > diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c > index eb97468dfe4c..02c70198b989 100644 > --- a/fs/proc/task_mmu.c > +++ b/fs/proc/task_mmu.c > @@ -662,6 +662,9 @@ static void show_smap_vma_flags(struct seq_file *m, struct vm_area_struct *vma) > #ifdef CONFIG_HAVE_ARCH_USERFAULTFD_MINOR > [ilog2(VM_UFFD_MINOR)] = "ui", > #endif /* CONFIG_HAVE_ARCH_USERFAULTFD_MINOR */ > +#ifdef CONFIG_ARCH_HAS_SHADOW_STACK > + [ilog2(VM_SHADOW_STACK)]= "ss", > +#endif ERROR: spaces required around that '=' (ctx:VxW) #109: FILE: fs/proc/task_mmu.c:666: + [ilog2(VM_SHADOW_STACK)]= "ss", ^ total: 1 errors, 0 warnings, 49 lines checked Please integrate scripts/checkpatch.pl into your patch creation workflow. Some of the warnings/errors *actually* make sense. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette