diff mbox series

[v4,02/29] x86/mm: add ARCH_PKEY_BITS to Kconfig

Message ID 20240503130147.1154804-3-joey.gouly@arm.com (mailing list archive)
State New, archived
Headers show
Series arm64: Permission Overlay Extension | expand

Commit Message

Joey Gouly May 3, 2024, 1:01 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
---
 arch/x86/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Dave Hansen May 3, 2024, 4:40 p.m. UTC | #1 
On 5/3/24 06:01, Joey Gouly wrote:
> The new config option specifies how many bits are in each PKEY.

Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
diff mbox series

Patch

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