Hi Jonathan,
On 6/25/25 6:19 PM, Jonathan Cameron via wrote:
> Only add one very simple example as all the i386/pc examples will work
> for arm/virt with a change to appropriate executable and appropriate
> standard launch line for arm/virt. Note that max cpu is used to
> ensure we have plenty of physical address space.
>
> Suggested-by: Peter Maydell <peter.maydell@linaro.org>
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
> ---
> docs/system/devices/cxl.rst | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/docs/system/devices/cxl.rst b/docs/system/devices/cxl.rst
> index e307caf3f8..73e80e672f 100644
> --- a/docs/system/devices/cxl.rst
> +++ b/docs/system/devices/cxl.rst
> @@ -384,6 +384,16 @@ An example of 4 devices below a switch suitable for 1, 2 or 4 way interleave::
> -device cxl-type3,bus=swport3,persistent-memdev=cxl-mem3,lsa=cxl-lsa3,id=cxl-pmem3,sn=0x4 \
> -M cxl-fmw.0.targets.0=cxl.1,cxl-fmw.0.size=4G,cxl-fmw.0.interleave-granularity=4k
>
> +A simple arm/virt example::
> +
> + qemu-system-aarch64 -M virt,gic-version=3,cxl=on -m 4g,maxmem=8g,slots=4 -cpu max -smp 4 \
> + ...
> + -object memory-backend-ram,id=vmem0,share=on,size=256M \
> + -device pxb-cxl,bus_nr=12,bus=pcie.0,id=cxl.1 \
> + -device cxl-rp,port=0,bus=cxl.1,id=root_port13,chassis=0,slot=2 \
> + -device cxl-type3,bus=root_port13,volatile-memdev=vmem0,id=cxl-vmem0 \
> + -M cxl-fmw.0.targets.0=cxl.1,cxl-fmw.0.size=4G
Matches the x86 identifical example entitled "A very simple setup with
just one directly attached CXL Type 3 Volatile Memory device"
nit: in case you need to respin you can add something like "featuring a
CXL Type 3 Volatile Memory device"
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Eric
> +
> Deprecations
> ------------
>