TLB entry should enable memory coherence in SMP. And like commit 631fba9dd3aca519355322cef035730609e91593, remove guard attribute to enable the prefetch of guest memory.
Signed-off-by: Liu Yu <[email protected]> --- arch/powerpc/kvm/e500_tlb.c | 4 ++++ arch/powerpc/kvm/e500_tlb.h | 2 +- 2 files changed, 5 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c index ec93320..0e773fc 100644 --- a/arch/powerpc/kvm/e500_tlb.c +++ b/arch/powerpc/kvm/e500_tlb.c @@ -99,7 +99,11 @@ static inline u32 e500_shadow_mas3_attrib(u32 mas3, int usermode) static inline u32 e500_shadow_mas2_attrib(u32 mas2, int usermode) { +#ifdef CONFIG_SMP + return (mas2 & MAS2_ATTRIB_MASK) | MAS2_M; +#else return mas2 & MAS2_ATTRIB_MASK; +#endif } /* diff --git a/arch/powerpc/kvm/e500_tlb.h b/arch/powerpc/kvm/e500_tlb.h index 4d5cc0f..45b064b 100644 --- a/arch/powerpc/kvm/e500_tlb.h +++ b/arch/powerpc/kvm/e500_tlb.h @@ -38,7 +38,7 @@ #define E500_TLB_USER_PERM_MASK (MAS3_UX|MAS3_UR|MAS3_UW) #define E500_TLB_SUPER_PERM_MASK (MAS3_SX|MAS3_SR|MAS3_SW) #define MAS2_ATTRIB_MASK \ - (MAS2_X0 | MAS2_X1 | MAS2_W | MAS2_I | MAS2_M | MAS2_G | MAS2_E) + (MAS2_X0 | MAS2_X1) #define MAS3_ATTRIB_MASK \ (MAS3_U0 | MAS3_U1 | MAS3_U2 | MAS3_U3 \ | E500_TLB_USER_PERM_MASK | E500_TLB_SUPER_PERM_MASK) -- 1.5.4 -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
