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Commit fefb876b authored by Marc Zyngier's avatar Marc Zyngier Committed by Christoffer Dall
Browse files

arm64: KVM: PTE/PMD S2 XN bit definition 



As we're about to make S2 page-tables eXecute Never by default,
add the required bits for both PMDs and PTEs.

Reviewed-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarChristoffer Dall <christoffer.dall@linaro.org>
parent 91c703e0

arch/arm64/include/asm/pgtable-hwdef.h

+2 −0
Original line number Diff line number Diff line
@@ -177,9 +177,11 @@ 
 */

#define PTE_S2_RDONLY		(_AT(pteval_t, 1) << 6)   /* HAP[2:1] */

#define PTE_S2_RDWR		(_AT(pteval_t, 3) << 6)   /* HAP[2:1] */

#define PTE_S2_XN		(_AT(pteval_t, 2) << 53)  /* XN[1:0] */



#define PMD_S2_RDONLY		(_AT(pmdval_t, 1) << 6)   /* HAP[2:1] */

#define PMD_S2_RDWR		(_AT(pmdval_t, 3) << 6)   /* HAP[2:1] */

#define PMD_S2_XN		(_AT(pmdval_t, 2) << 53)  /* XN[1:0] */



/*

 * Memory Attribute override for Stage-2 (MemAttr[3:0])