Alexey Kardashevskiy <aik@xxxxxxxxx> writes: > H_PUT_TCE_INDIRECT uses a shared page to send up to 512 TCE to > a hypervisor in a single hypercall. This does not work for secure VMs > as the page needs to be shared or the VM should use H_PUT_TCE instead. > > This disables H_PUT_TCE_INDIRECT by clearing the FW_FEATURE_PUT_TCE_IND > feature bit so SVMs will map TCEs using H_PUT_TCE. > > This is not a part of init_svm() as it is called too late after FW > patching is done and may result in a warning like this: > > [ 3.727716] Firmware features changed after feature patching! > [ 3.727965] WARNING: CPU: 0 PID: 1 at (...)arch/powerpc/lib/feature-fixups.c:466 check_features+0xa4/0xc0 > > Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxxxx> Reviewed-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx> Tested-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx> -- Thiago Jung Bauermann IBM Linux Technology Center
