lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 18 Feb 2016 12:24:46 -0800 From: tip-bot for Dave Hansen <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: riel@...hat.com, akpm@...ux-foundation.org, peterz@...radead.org, mingo@...nel.org, brgerst@...il.com, hpa@...or.com, bp@...en8.de, dvlasenk@...hat.com, tglx@...utronix.de, torvalds@...ux-foundation.org, luto@...capital.net, dave@...1.net, linux-kernel@...r.kernel.org, dave.hansen@...ux.intel.com Subject: [tip:mm/pkeys] x86/mm/pkeys: Add Kconfig prompt to existing config option Commit-ID: 284244a9876225eb73102aff41d4492f65cb2868 Gitweb: http://git.kernel.org/tip/284244a9876225eb73102aff41d4492f65cb2868 Author: Dave Hansen <dave.hansen@...ux.intel.com> AuthorDate: Fri, 12 Feb 2016 13:02:28 -0800 Committer: Ingo Molnar <mingo@...nel.org> CommitDate: Thu, 18 Feb 2016 19:46:30 +0100 x86/mm/pkeys: Add Kconfig prompt to existing config option I don't have a strong opinion on whether we need this or not. Protection Keys has relatively little code associated with it, and it is not a heavyweight feature to keep enabled. However, I can imagine that folks would still appreciate being able to disable it. Here's the option if folks want it. Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com> Reviewed-by: Thomas Gleixner <tglx@...utronix.de> Cc: Andrew Morton <akpm@...ux-foundation.org> Cc: Andy Lutomirski <luto@...capital.net> Cc: Borislav Petkov <bp@...en8.de> Cc: Brian Gerst <brgerst@...il.com> Cc: Dave Hansen <dave@...1.net> Cc: Denys Vlasenko <dvlasenk@...hat.com> Cc: H. Peter Anvin <hpa@...or.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Rik van Riel <riel@...hat.com> Cc: linux-mm@...ck.org Link: http://lkml.kernel.org/r/20160212210228.7E79386C@viggo.jf.intel.com Signed-off-by: Ingo Molnar <mingo@...nel.org> --- arch/x86/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index fb2ebeb..b875434 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1716,8 +1716,18 @@ config X86_INTEL_MPX If unsure, say N. config X86_INTEL_MEMORY_PROTECTION_KEYS + prompt "Intel Memory Protection Keys" def_bool y + # Note: only available in 64-bit mode depends on CPU_SUP_INTEL && X86_64 + ---help--- + Memory Protection Keys provides a mechanism for enforcing + page-based protections, but without requiring modification of the + page tables when an application changes protection domains. + + For details, see Documentation/x86/protection-keys.txt + + If unsure, say y. config EFI bool "EFI runtime service support"
Powered by blists - more mailing lists