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ARM/ARM64: KVM: Nuke Hyp-mode tlbs before enabling MMU
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
arch
/
arm
/
kvm
/
init.S
diff --git
a/arch/arm/kvm/init.S
b/arch/arm/kvm/init.S
index
1b9844d
..
ee4f744
100644
(file)
--- a/
arch/arm/kvm/init.S
+++ b/
arch/arm/kvm/init.S
@@
-98,6
+98,10
@@
__do_hyp_init:
mrc p15, 0, r0, c10, c2, 1
mcr p15, 4, r0, c10, c2, 1
mrc p15, 0, r0, c10, c2, 1
mcr p15, 4, r0, c10, c2, 1
+ @ Invalidate the stale TLBs from Bootloader
+ mcr p15, 4, r0, c8, c7, 0 @ TLBIALLH
+ dsb ish
+
@ Set the HSCTLR to:
@ - ARM/THUMB exceptions: Kernel config (Thumb-2 kernel)
@ - Endianness: Kernel config
@ Set the HSCTLR to:
@ - ARM/THUMB exceptions: Kernel config (Thumb-2 kernel)
@ - Endianness: Kernel config