diff options
| author | Babu Moger <Babu.Moger@amd.com> | 2019-11-06 00:25:32 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2019-11-07 13:07:29 +0300 |
| commit | b971880fe79f4042aaaf426744a5b19521bf77b3 (patch) | |
| tree | 5d56a0b3efc105b3080bda46673f990350bc9f2c /arch/x86/Kconfig | |
| parent | 1edae1ae62589f28d00da186465a003e2a7f9c6c (diff) | |
| download | linux-b971880fe79f4042aaaf426744a5b19521bf77b3.tar.xz | |
x86/Kconfig: Rename UMIP config parameter
AMD 2nd generation EPYC processors support the UMIP (User-Mode
Instruction Prevention) feature. So, rename X86_INTEL_UMIP to
generic X86_UMIP and modify the text to cover both Intel and AMD.
[ bp: take of the disabled-features.h copy in tools/ too. ]
Signed-off-by: Babu Moger <babu.moger@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ricardo Neri <ricardo.neri-calderon@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "x86@kernel.org" <x86@kernel.org>
Link: https://lkml.kernel.org/r/157298912544.17462.2018334793891409521.stgit@naples-babu.amd.com
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 896f840ade2d..434fae95279c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1880,16 +1880,16 @@ config X86_SMAP If unsure, say Y. -config X86_INTEL_UMIP +config X86_UMIP def_bool y - depends on CPU_SUP_INTEL - prompt "Intel User Mode Instruction Prevention" if EXPERT + depends on CPU_SUP_INTEL || CPU_SUP_AMD + prompt "User Mode Instruction Prevention" if EXPERT ---help--- - The User Mode Instruction Prevention (UMIP) is a security - feature in newer Intel processors. If enabled, a general - protection fault is issued if the SGDT, SLDT, SIDT, SMSW - or STR instructions are executed in user mode. These instructions - unnecessarily expose information about the hardware state. + User Mode Instruction Prevention (UMIP) is a security feature in + some x86 processors. If enabled, a general protection fault is + issued if the SGDT, SLDT, SIDT, SMSW or STR instructions are + executed in user mode. These instructions unnecessarily expose + information about the hardware state. The vast majority of applications do not use these instructions. For the very few that do, software emulation is provided in |