Commit 19bd6aaf authored Jul 20, 2020 by Richard Henderson Committed by Peter Maydell Jul 20, 2020

hw/arm/virt: Disable memory hotplug when MTE is enabled



When MTE is enabled, tag memory must exist for all RAM.

It might be possible to simultaneously hot plug tag memory
alongside the corresponding normal memory, but for now just
disable hotplug.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200713213341.590275-4-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

parent 7f6185ed

hw/arm/virt.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2194,6 +2194,11 @@ static void virt_memory_pre_plug(HotplugHandler hotplug_dev, DeviceState dev,
		return;
		}

		if (vms->mte) {
		error_setg(errp, "memory hotplug is not enabled: MTE is enabled");
		return;
		}

		if (is_nvdimm && !ms->nvdimms_state->is_enabled) {
		error_setg(errp, "nvdimm is not enabled: add 'nvdimm=on' to '-M'");
		return;