reproduce (this is a W=1 build): git checkout 0af2f6be1b4281385b618cb86ad946eded089ac8 b4 shazam https://lore.kernel.org/r/20250424-pcie-ptm-v3-3-c929ebd2821c@linaro.org # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/perf/