Jonathan Cameron <jonathan.came...@huawei.com> writes:
> From: Jonathan Cameron <jonathan.came...@huawei.com> > > There are going to be some potential overheads to CXL enablement, > for example the host bridge region reserved in memory maps. > Add a machine level control so that CXL is disabled by default. > > Signed-off-by: Jonathan Cameron <jonathan.came...@huawei.com> > --- > hw/arm/virt.c | 1 + > hw/core/machine.c | 26 ++++++++++++++++++++++++++ > hw/i386/microvm.c | 1 + > hw/i386/pc.c | 1 + > hw/ppc/spapr.c | 1 + > include/hw/boards.h | 2 ++ > include/hw/cxl/cxl.h | 4 ++++ > 7 files changed, 36 insertions(+) > > diff --git a/hw/arm/virt.c b/hw/arm/virt.c > index 2b6cc7aa9e..cbb18dcba6 100644 > --- a/hw/arm/virt.c > +++ b/hw/arm/virt.c > @@ -2856,6 +2856,7 @@ static void virt_machine_class_init(ObjectClass *oc, > void *data) > hc->unplug = virt_machine_device_unplug_cb; > mc->nvdimm_supported = true; > mc->smp_props.clusters_supported = true; > + mc->cxl_supported = false; You should be able to do this in machine_class_init and then... <snip> just turn it on for pc > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index c8696ac01e..b6800a511a 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -1739,6 +1739,7 @@ static void pc_machine_class_init(ObjectClass *oc, void > *data) > mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; > mc->nvdimm_supported = true; > mc->smp_props.dies_supported = true; > + mc->cxl_supported = true; > mc->default_ram_id = "pc.ram"; > <snip> Otherwise: Reviewed-by: Alex Bennée <alex.ben...@linaro.org> -- Alex Bennée
