From: Jan Kiszka <[email protected]> We must update S2CR and SMRs first, then flush. Otherwise, TLB entries might be left which refer to the old settings.
Signed-off-by: Jan Kiszka <[email protected]> --- hypervisor/arch/arm64/smmu.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/hypervisor/arch/arm64/smmu.c b/hypervisor/arch/arm64/smmu.c index 95d45148..34f2b821 100644 --- a/hypervisor/arch/arm64/smmu.c +++ b/hypervisor/arch/arm64/smmu.c @@ -583,9 +583,6 @@ static void arm_smmu_cell_exit(struct cell *cell) return; for_each_smmu(smmu, dev) { - mmio_write32(ARM_SMMU_GR0(smmu) + ARM_SMMU_GR0_TLBIVMID, id); - arm_smmu_tlb_sync_global(smmu); - for_each_stream_id(sid, cell->config, n) { idx = arm_smmu_find_sme(sid, smmu); if (idx < 0) @@ -603,6 +600,9 @@ static void arm_smmu_cell_exit(struct cell *cell) smmu->cbs[id].cfg = NULL; arm_smmu_write_context_bank(smmu, id); } + + mmio_write32(ARM_SMMU_GR0(smmu) + ARM_SMMU_GR0_TLBIVMID, id); + arm_smmu_tlb_sync_global(smmu); } } -- 2.26.2 -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/91e4c4947061c405ca9a2e7008426d55be2205cf.1602664150.git.jan.kiszka%40siemens.com.
