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From Dave [1]: """ It was a mistake to introduce core/acpi.c and putting ACPI dependency on cxl_core when adding the extended linear cache support. """ Current implementation calls hmat_get_extended_linear_cache_size() of the ACPI subsystem. That external reference causes issue running cxl_test as there is no way to "mock" that function and ignore it when using cxl test. Instead of working around that using cxlrd ops and extensively expanding cxl_test code [1], just move HMAT calls out of the core module to cxl_acpi. Implement this by adding a @cache_size member to struct cxl_root_decoder. During initialization the cache size is determined and added to the root decoder object in cxl_acpi. Later on in cxl_core the cache_size parameter is used to setup extended linear caching. [1] https://patch.msgid.link/20250610172938.139428-1-dave.jiang@intel.com [ dj: Remove core/acpi.o from tools/testing/cxl/Kbuild ] [ dj: Add kdoc for cxlrd->cache_size ] Cc: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Robert Richter <rrichter@amd.com> Reviewed-by: Alison Schofield <alison.schofield@intel.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Link: https://patch.msgid.link/20250711151529.787470-1-rrichter@amd.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> |
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| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| crypto | ||
| debugging | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| mm | ||
| net | ||
| objtool | ||
| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| sched_ext | ||
| scripts | ||
| sound | ||
| spi | ||
| testing | ||
| thermal | ||
| time | ||
| tracing | ||
| usb | ||
| verification | ||
| virtio | ||
| wmi | ||
| workqueue | ||
| writeback | ||
| Makefile | ||