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

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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>
This commit is contained in:
Richard Henderson 2020-07-20 10:25:36 +01:00 • committed by Peter Maydell
parent 7f6185ed9c
commit 19bd6aafbd
1 changed files with 5 additions and 0 deletions
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5
hw/arm/virt.c
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@ -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;