Merge/sound upstream 20251231 #8097

Job	Run time
GCC build X86_64 with W=1	3m 6s
GCC build X86_64 with W=1 allmodconfig	1m 49s
Sparse check	3m 30s
GCC build i386	17m 11s
Clang build x86_64	4m 49s
GCC build X86_64	20m 52s
GCC build arm64	3m 12s
GCC build arm64 allmodconfig	1m 59s
GCC static -fanalyzer	4m 20s
	1h 0m 48s

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