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[v5,01/30] powerpc/mm: add ARCH_PKEY_BITS to Kconfig

Message ID 20240822151113.1479789-2-joey.gouly@arm.com
State New
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: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
---
 arch/powerpc/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git arch/powerpc/Kconfig arch/powerpc/Kconfig
index d7b09b064a8a..8a4ee57cd4ef 100644
--- arch/powerpc/Kconfig
+++ arch/powerpc/Kconfig
@@ -1026,6 +1026,10 @@  config PPC_MEM_KEYS
 
 	  If unsure, say y.
 
+config ARCH_PKEY_BITS
+	int
+	default 5
+
 config PPC_SECURE_BOOT
 	prompt "Enable secure boot support"
 	bool