On Thursday 14 November 2013 02:37 PM, Santosh Shilimkar wrote: > 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@xxxxxxxxxx> > Cc: Marc Zyngier <marc.zyngier@xxxxxxx> > Cc: Russell King <linux@xxxxxxxxxxxxxxxx> > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: Will Deacon <will.deacon@xxxxxxx> > > Signed-off-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> > --- Ignore this patch. I thought it helps but in more testing I found that issue still comes up even with the below change. > 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(); > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
