diff mbox series

[v5,02/30] x86/mm: add ARCH_PKEY_BITS to Kconfig

Message ID 20240822151113.1479789-3-joey.gouly@arm.com (mailing list archive)
State New, archived
Headers show
Series Permission Overlay Extension | expand

Commit Message

Joey Gouly Aug. 22, 2024, 3:10 p.m. UTC 
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>
---
 arch/x86/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git arch/x86/Kconfig arch/x86/Kconfig
index 007bab9f2a0e..683c0a64efe2 100644
--- arch/x86/Kconfig
+++ 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