$ grep CC ../err-6.12.0-tiny-pt-02b.log CC init/version.o CC init/version-timestamp.o CC arch/x86/boot/version.o CC arch/x86/boot/compressed/kaslr.o CC arch/x86/boot/compressed/misc.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/kallsyms HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/sorttable HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/asn1_compiler HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/genksyms/genksyms.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/selinux/genheaders/genheaders HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/selinux/mdp/mdp YACC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/genksyms/parse.tab.[ch] HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/sign-file HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/insert-sys-cert HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/genksyms/parse.tab.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/genksyms/lex.lex.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/mod/modpost.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/mod/file2alias.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/mod/sumversion.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/mod/symsearch.o HOSTCC debian/linux-headers-6.12.0-dirty/usr/src/linux-headers-6.12.0-dirty/scripts/basic/fixdep But they were only BTF + INSTALL + STRIP + SIGN'ed: $ grep drivers/gpu/drm/xe/ ../err-6.12.0-tiny-pt-02b.log BTF [M] drivers/gpu/drm/xe/xe.ko INSTALL debian/linux-image-6.12.0-dirty/lib/modules/6.12.0-dirty/kernel/drivers/gpu/drm/xe/xe.ko STRIP debian/linux-image-6.12.0-dirty/lib/modules/6.12.0-dirty/kernel/drivers/gpu/drm/xe/xe.ko SIGN debian/linux-image-6.12.0-dirty/lib/modules/6.12.0-dirty/kernel/drivers/gpu/drm/xe/xe.ko Nothing suggests that "drivers/gpu/drm/xe/tests/xe_migrate.c" is being recompiled, though it was modified, or at least "touch"-ed. Is this the expected behaviour? (I have deliberately skipped "make clean", to see if I can save some building time and grid power.) Thank you very much. Best regards, Mirsad Todorovac