On Wed, Apr 22, 2020 at 01:00:29PM +0100, Marc Zyngier wrote: > Advertise bits [58:55] as reserved for SW in the S2 descriptors. > > Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx> > --- > arch/arm64/include/asm/pgtable-hwdef.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h > index 6bf5e650da788..7eab0d23cdb52 100644 > --- a/arch/arm64/include/asm/pgtable-hwdef.h > +++ b/arch/arm64/include/asm/pgtable-hwdef.h > @@ -177,10 +177,12 @@ > #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 PTE_S2_SW_RESVD (_AT(pteval_t, 15) << 55) /* Reserved for SW */ > > #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] */ > +#define PMD_S2_SW_RESVD (_AT(pmdval_t, 15) << 55) /* Reserved for SW */ > > #define PUD_S2_RDONLY (_AT(pudval_t, 1) << 6) /* HAP[2:1] */ > #define PUD_S2_RDWR (_AT(pudval_t, 3) << 6) /* HAP[2:1] */ > -- > 2.26.1 > > _______________________________________________ > kvmarm mailing list > kvmarm@xxxxxxxxxxxxxxxxxxxxx > https://lists.cs.columbia.edu/mailman/listinfo/kvmarm This is consistent with "Attribute fields in stage 1 VMSAv8-64 Block and Page descriptors" Reviewed-by: Andrew Scull <ascull@xxxxxxxxxx> _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
