Commit 292f86c4 authored Nov 27, 2020 by Aneesh Kumar K.V Committed by Michael Ellerman Dec 04, 2020

powerpc/book3s64/kuep: Use Key 3 to implement KUEP with hash translation.



Radix use IAMR Key 0 and hash translation use IAMR key 3.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Sandipan Das <sandipan@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201127044424.40686-19-aneesh.kumar@linux.ibm.com

parent fa46c2fa

arch/powerpc/include/asm/book3s/64/kup.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -7,7 +7,7 @@

		#define AMR_KUAP_BLOCK_READ UL(0x5455555555555555)
		#define AMR_KUAP_BLOCK_WRITE UL(0xa8aaaaaaaaaaaaaa)
		#define AMR_KUEP_BLOCKED (1UL << 62)
		#define AMR_KUEP_BLOCKED UL(0x5455555555555555)
		#define AMR_KUAP_BLOCKED (AMR_KUAP_BLOCK_READ \| AMR_KUAP_BLOCK_WRITE)

		#ifdef __ASSEMBLY__