diff options
| author | Joey Gouly <joey.gouly@arm.com> | 2024-08-22 16:10:45 +0100 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-09-04 12:52:40 +0100 |
| commit | 5626f8d45e0951f418cfc06ad8be71e3f51e585f (patch) | |
| tree | 03be804594b7c11a8c38a7b180233cca8f06f73b | |
| parent | 12930e3a86adbcee6b360d659645bce769d0fea1 (diff) | |
x86/mm: add ARCH_PKEY_BITS to Kconfig
The new config option specifies how many bits are in each PKEY.
Signed-off-by: Joey Gouly <joey.gouly@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: x86@kernel.org
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20240822151113.1479789-3-joey.gouly@arm.com
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | arch/x86/Kconfig | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 007bab9f2a0e..683c0a64efe2 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1889,6 +1889,10 @@ config X86_INTEL_MEMORY_PROTECTION_KEYS If unsure, say y. +config ARCH_PKEY_BITS + int + default 4 + choice prompt "TSX enable mode" depends on CPU_SUP_INTEL |