diff options
Diffstat (limited to 'arch/powerpc/kvm/44x_tlb.c')
-rw-r--r-- | arch/powerpc/kvm/44x_tlb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 260fa8bc4608..6fadbd696021 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c | |||
@@ -28,6 +28,8 @@ | |||
28 | 28 | ||
29 | #include "44x_tlb.h" | 29 | #include "44x_tlb.h" |
30 | 30 | ||
31 | #define PPC44x_TLB_UATTR_MASK \ | ||
32 | (PPC44x_TLB_U0|PPC44x_TLB_U1|PPC44x_TLB_U2|PPC44x_TLB_U3) | ||
31 | #define PPC44x_TLB_USER_PERM_MASK (PPC44x_TLB_UX|PPC44x_TLB_UR|PPC44x_TLB_UW) | 33 | #define PPC44x_TLB_USER_PERM_MASK (PPC44x_TLB_UX|PPC44x_TLB_UR|PPC44x_TLB_UW) |
32 | #define PPC44x_TLB_SUPER_PERM_MASK (PPC44x_TLB_SX|PPC44x_TLB_SR|PPC44x_TLB_SW) | 34 | #define PPC44x_TLB_SUPER_PERM_MASK (PPC44x_TLB_SX|PPC44x_TLB_SR|PPC44x_TLB_SW) |
33 | 35 | ||
@@ -63,8 +65,8 @@ void kvmppc_dump_tlbs(struct kvm_vcpu *vcpu) | |||
63 | 65 | ||
64 | static u32 kvmppc_44x_tlb_shadow_attrib(u32 attrib, int usermode) | 66 | static u32 kvmppc_44x_tlb_shadow_attrib(u32 attrib, int usermode) |
65 | { | 67 | { |
66 | /* Mask off reserved bits. */ | 68 | /* We only care about the guest's permission and user bits. */ |
67 | attrib &= PPC44x_TLB_PERM_MASK|PPC44x_TLB_ATTR_MASK; | 69 | attrib &= PPC44x_TLB_PERM_MASK|PPC44x_TLB_UATTR_MASK; |
68 | 70 | ||
69 | if (!usermode) { | 71 | if (!usermode) { |
70 | /* Guest is in supervisor mode, so we need to translate guest | 72 | /* Guest is in supervisor mode, so we need to translate guest |
@@ -76,6 +78,9 @@ static u32 kvmppc_44x_tlb_shadow_attrib(u32 attrib, int usermode) | |||
76 | /* Make sure host can always access this memory. */ | 78 | /* Make sure host can always access this memory. */ |
77 | attrib |= PPC44x_TLB_SX|PPC44x_TLB_SR|PPC44x_TLB_SW; | 79 | attrib |= PPC44x_TLB_SX|PPC44x_TLB_SR|PPC44x_TLB_SW; |
78 | 80 | ||
81 | /* WIMGE = 0b00100 */ | ||
82 | attrib |= PPC44x_TLB_M; | ||
83 | |||
79 | return attrib; | 84 | return attrib; |
80 | } | 85 | } |
81 | 86 | ||