Re: CXL memory device not created correctly

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On Fri, 19 May 2023, LiuLele wrote:

In my testing CXL device /sys/bus/cxl/devices/mem0  not created, and the get error messages :

cxl_pci 0000:0d:00.0: Failed to get interrupt for event Info log

My test environment is a qemu CXL emulator with qemu v8.0.0, Linux kernel v6.3.0.
While with kernel 5.9.13,  /sys/bus/cxl/devices/mem0  can be created.

Yes, this can be annoying and would argue the probe should not error out.
Regardless, the actual qemu support is in Jonathan's tree:


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