There are a few CONFIG_* variables defined in default-configs/ that are never referenced. These were found using:
$ for i in `grep -h -E '^CONFIG' default-configs/* | sed -e 's/=.*//' | sort | uniq` do echo -n "$i: " git grep $i | grep -v default-configs | wc -l done | grep ": 0" CONFIG_IPMI_EXTERN: 0 CONFIG_ISA_MMIO: 0 CONFIG_PAM: 0 CONFIG_PIIX_PCI: 0 NB, the IPMI_EXTERN one is special - it should have been used, so I sent a separate patch for that one. Daniel P. Berrange (3): default-configs: remove CONFIG_PAM default-configs: removed obsolete CONFIG_ISA_MMIO default-configs: remove CONFIG_PIIX_PCI default-configs/arm-softmmu.mak | 1 - default-configs/i386-softmmu.mak | 2 -- default-configs/ppc-softmmu.mak | 1 - default-configs/ppc64-softmmu.mak | 1 - default-configs/sparc64-softmmu.mak | 1 - default-configs/x86_64-softmmu.mak | 2 -- 6 files changed, 8 deletions(-) -- 2.7.4