From: Randy Dunlap <rdunlap@infradead.org> To: 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@amacapital.net>, Balbir Singh <bsingharora@gmail.com>, Cyrill Gorcunov <gorcunov@gmail.com>, Dave Hansen <dave.hansen@linux.intel.com>, Florian Weimer <fweimer@redhat.com>, "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>, Kees Cook <keescook@chromiun.org>, Mike Kravetz <mike.kravetz@oracle.com>, Nadav Amit <nadav.amit@gmail.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Subject: Re: [RFC PATCH v3 1/8] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking Date: Thu, 30 Aug 2018 12:38:06 -0700 [thread overview] Message-ID: <cb30d63a-3eb9-a713-7129-6823a6d799cf@infradead.org> (raw) In-Reply-To: <20180830144009.3314-2-yu-cheng.yu@intel.com> On 08/30/2018 07:40 AM, Yu-cheng Yu wrote: > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 2cfe11e1cf7f..0d97b03f35f6 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1941,6 +1941,18 @@ config X86_INTEL_SHADOW_STACK_USER > > If unsure, say y. > > +config X86_INTEL_BRANCH_TRACKING_USER > + prompt "Intel Indirect Branch Tracking for user-mode" > + def_bool n > + depends on CPU_SUP_INTEL && X86_64 > + select X86_INTEL_CET > + select ARCH_HAS_PROGRAM_PROPERTIES > + ---help--- > + Indirect Branch Tracking provides hardware protection against return-/jmp- > + oriented programing attacks. programming > + > + If unsure, say y > + > config EFI > bool "EFI runtime service support" > depends on ACPI -- ~Randy
WARNING: multiple messages have this Message-ID (diff)
From: Randy Dunlap <rdunlap@infradead.org> To: 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@amacapital.net>, Balbir Singh <bsingharora@gmail.com>, Cyrill Gorcunov <gorcunov@gmail.com>, Dave Hansen <dave.hansen@linux.intel.com>, Florian Weimer <fweimer@redhat.com>, "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>, Kees Cook <keescook@chromiun.org>, Mike Kravetz <mike.kravetz@oracle.com>, Nadav Amit <nadav.amit@gmail.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>, Peter Zijlstra <peterz@infradead.org>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com> Subject: Re: [RFC PATCH v3 1/8] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking Date: Thu, 30 Aug 2018 12:38:06 -0700 [thread overview] Message-ID: <cb30d63a-3eb9-a713-7129-6823a6d799cf@infradead.org> (raw) Message-ID: <20180830193806.fl4ndZ--ocdzqkqjJAgmYIBud4RGW8XFpBquh3VF9lQ@z> (raw) In-Reply-To: <20180830144009.3314-2-yu-cheng.yu@intel.com> On 08/30/2018 07:40 AM, Yu-cheng Yu wrote: > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 2cfe11e1cf7f..0d97b03f35f6 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -1941,6 +1941,18 @@ config X86_INTEL_SHADOW_STACK_USER > > If unsure, say y. > > +config X86_INTEL_BRANCH_TRACKING_USER > + prompt "Intel Indirect Branch Tracking for user-mode" > + def_bool n > + depends on CPU_SUP_INTEL && X86_64 > + select X86_INTEL_CET > + select ARCH_HAS_PROGRAM_PROPERTIES > + ---help--- > + Indirect Branch Tracking provides hardware protection against return-/jmp- > + oriented programing attacks. programming > + > + If unsure, say y > + > config EFI > bool "EFI runtime service support" > depends on ACPI -- ~Randy
next prev parent reply other threads:[~2018-08-30 19:38 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-08-30 14:40 [RFC PATCH v3 0/8] Control Flow Enforcement: Branch Tracking, PTRACE Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 1/8] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 19:38 ` Randy Dunlap [this message] 2018-08-30 19:38 ` Randy Dunlap 2018-08-30 14:40 ` [RFC PATCH v3 2/8] x86/cet/ibt: User-mode indirect branch tracking support Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 3/8] x86/cet/ibt: ELF header parsing for IBT Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 4/8] x86/cet/ibt: Add arch_prctl functions " Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 5/8] x86/cet/ibt: Add ENDBR to op-code-map Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 6/8] mm/mmap: Add IBT bitmap size to address space limit check Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 7/8] x86: Insert endbr32/endbr64 to vDSO Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu 2018-08-30 14:40 ` [RFC PATCH v3 8/8] x86/cet: Add PTRACE interface for CET Yu-cheng Yu 2018-08-30 14:40 ` Yu-cheng Yu
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