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When platform firmware is committed to publishing EFI_CONVENTIONAL_MEMORY in the memory map, but CXL fails to assemble the region, dax_hmem can attempt to attach a dax device to the memory range. Take advantage of the new ability to support multiple "hmem_platform" devices, and to enable regression testing of several scenarios: * CXL correctly assembles a region, check dax_hmem fails to attach dax * CXL fails to assemble a region, check dax_hmem successfully attaches dax * Check that loading the dax_cxl driver loads the dax_hmem driver * Attempt to race cxl_mock_mem async probe vs dax_hmem probe flushing. Check that both positive and negative cases. Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Alison Schofield <alison.schofield@intel.com> Tested-by: Alison Schofield <alison.schofield@intel.com> Link: https://patch.msgid.link/20260327052821.440749-10-dan.j.williams@intel.com Signed-off-by: Dave Jiang <dave.jiang@intel.com> |
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| .. | ||
| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| crypto | ||
| debugging | ||
| dma | ||
| docs | ||
| firewire | ||
| firmware | ||
| gpio | ||
| hv | ||
| iio | ||
| include | ||
| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| mm | ||
| net | ||
| objtool | ||
| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| sched | ||
| sched_ext | ||
| scripts | ||
| sound | ||
| spi | ||
| testing | ||
| thermal | ||
| time | ||
| tracing | ||
| usb | ||
| verification | ||
| virtio | ||
| wmi | ||
| workqueue | ||
| writeback | ||
| Makefile | ||