reproduce: # apt-get install sparse # sparse version: v0.6.4-66-g0196afe1 # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=ca41eb2a20b73d93c689062606b2a7d2e8262450 git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git git fetch --no-tags peterz-queue perf/uprobes git checkout ca41eb2a20b73d93c689062606b2a7d2e8262450 # 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 kernel/events/