summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/include/asm/mmu-book3e.h1
-rw-r--r--arch/powerpc/kvm/e500_mmu_host.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h
index 32e470e..dcc733c 100644
--- a/arch/powerpc/include/asm/mmu-book3e.h
+++ b/arch/powerpc/include/asm/mmu-book3e.h
@@ -90,6 +90,7 @@
#define MAS3_SPSIZE 0x0000003e
#define MAS3_SPSIZE_SHIFT 1
+#define MAS4_TLBSEL_MASK MAS0_TLBSEL_MASK
#define MAS4_TLBSELD(x) MAS0_TLBSEL(x)
#define MAS4_INDD 0x00008000 /* Default IND */
#define MAS4_TSIZED(x) MAS1_TSIZE(x)
diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
index 64de70a..9f87220 100644
--- a/arch/powerpc/kvm/e500_mmu_host.c
+++ b/arch/powerpc/kvm/e500_mmu_host.c
@@ -118,11 +118,15 @@ static u32 get_host_mas0(unsigned long eaddr)
{
unsigned long flags;
u32 mas0;
+ u32 mas4;
local_irq_save(flags);
mtspr(SPRN_MAS6, 0);
+ mas4 = mfspr(SPRN_MAS4);
+ mtspr(SPRN_MAS4, mas4 & ~MAS4_TLBSEL_MASK);
asm volatile("tlbsx 0, %0" : : "b" (eaddr & ~CONFIG_PAGE_OFFSET));
mas0 = mfspr(SPRN_MAS0);
+ mtspr(SPRN_MAS4, mas4);
local_irq_restore(flags);
return mas0;