KVM on E500 platform currently utilize TLB1 entries without bothering host,
that is using unused TLB1 entries.
So, KVM needs to read tlbcam_index and num_tlbcam_entries to know exactly
which TLB1 entry is unused.
Signed-off-by: Liu Yu <yu.liu@xxxxxxxxxxxxx>
---
arch/powerpc/include/asm/mmu-fsl-booke.h | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/include/asm/mmu-fsl-booke.h b/arch/powerpc/include/asm/mmu-fsl-booke.h
index 925d93c..049ad8a 100644
--- a/arch/powerpc/include/asm/mmu-fsl-booke.h
+++ b/arch/powerpc/include/asm/mmu-fsl-booke.h
@@ -73,6 +73,9 @@
#ifndef __ASSEMBLY__
+extern unsigned int tlbcam_index;
+extern unsigned int num_tlbcam_entries;
+
typedef struct {
unsigned long id;
unsigned long vdso_base;
--
1.5.4
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