Package: src:linux
Version: 4.20-1~exp1
Severity: normal

The 4.20-1~exp1 configuration disabled CONFIG_HSA_AMD, necessary for using 
AMD's ROCm platform:

$ xzgrep CONFIG_HSA_AMD /usr/src/linux-config-4.20/config.amd64_none_amd64.xz
# CONFIG_HSA_AMD is not set

$ xzgrep CONFIG_HSA_AMD /usr/src/linux-config-4.19/config.amd64_none_amd64.xz
CONFIG_HSA_AMD=m


This was very likely unintentionally caused by 4.20 merging amdkfd into the 
amdgpu module
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04d5e2765802241b54ee93d1e655123c39fa7385)
which turned the HSA_AMD config option into a bool affecting the amdgpu module.

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