[PATCH 6/6] ARM: kvm: TMP: Commit the hyp page tables to main memory

[Santosh Shilimkar]

This is a temporary hack which I have to use to avoid a weired crash while
starting the guest OS on Keystsone. They are random crashesh while the
guest os userspace starts. Additional data point is, it seen only with first
guest OS lanch. Subsequest guest OS starts normal.
    
I still don't know why this is needed but it helps to get around the issue
and hence including the patch in the series for the discussion

Cc: Christoffer Dall <christoffer.dall at linaro.org>
Cc: Marc Zyngier <marc.zyngier at arm.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas at arm.com>
Cc: Will Deacon <will.deacon at arm.com>

Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
---
 arch/arm/kvm/mmu.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index 657f15e..5f6f460 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -826,6 +826,7 @@ int kvm_mmu_init(void)
 		goto out;
 	}
 
+	flush_cache_all();
 	return 0;
 out:
 	free_hyp_pgds();
-- 
1.7.9.5