The new config option specifies how many bits are in each PKEY.
Signed-off-by: Joey Gouly <joey.go...@arm.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: Borislav Petkov <b...@alien8.de>
Cc: Dave Hansen <dave.han...@linux.intel.com>
Cc: H. Peter Anvin <h...@zytor.com>
Cc: x...@kernel.org
---
arch/x86/Kconfig | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 928820e61cb5..109e767d36e7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1879,6 +1879,10 @@ 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
--
2.25.1
