[PATCH 4.9 48/59] ARM: spectre-v2: KVM: invalidate icache on guest exit for Brahma B15

From: Greg Kroah-Hartman
Date: Wed Nov 21 2018 - 14:13:33 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>

Commit 3c908e16396d130608e831b7fac4b167a2ede6ba upstream.

Include Brahma B15 in the Spectre v2 KVM workarounds.

Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Boot-tested-by: Tony Lindgren <tony@xxxxxxxxxxx>
Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>
Acked-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Signed-off-by: David A. Long <dave.long@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/include/asm/kvm_mmu.h | 1 +
1 file changed, 1 insertion(+)

--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -257,6 +257,7 @@ static inline void *kvm_get_hyp_vector(v
return kvm_ksym_ref(__kvm_hyp_vector_bp_inv);
}

+ case ARM_CPU_PART_BRAHMA_B15:
case ARM_CPU_PART_CORTEX_A15:
{
extern char __kvm_hyp_vector_ic_inv[];