reproduce (this is a W=1 build): git checkout 3a8660878839faadb4f1a6dd72c3179c1df56787 b4 shazam https://lore.kernel.org/r/20251018101759.4089-6-lkml@antheas.dev # apt-get install sparse # sparse version: v0.6.4-71-g610d841d # save the config file mkdir build_dir && cp config build_dir/.config make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 olddefconfig make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__ -fmax-errors=unlimited -fmax-warnings=unlimited' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/platform/x86/