Hi Linus, With Linus' tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/edac/i7core_edac.c:259:19: error: field 'edac_mce' has incomplete type drivers/edac/i7core_edac.c:262:24: error: 'MCE_LOG_LEN' undeclared here (not in a function) drivers/edac/i7core_edac.c: In function 'i7core_mce_output_error': drivers/edac/i7core_edac.c:1671:25: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1672:20: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1673:23: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1674:15: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1675:18: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1676:18: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1680:7: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1742:22: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1742:31: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1743:39: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1744:15: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1751:7: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c: In function 'i7core_check_error': drivers/edac/i7core_edac.c:1787:50: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1791:3: error: invalid use of undefined type 'struct mce' drivers/edac/i7core_edac.c:1793:49: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c: In function 'i7core_mce_check_error': drivers/edac/i7core_edac.c:1838:11: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1842:9: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1847:6: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1859:52: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c:1864:9: error: dereferencing pointer to incomplete type drivers/edac/i7core_edac.c: In function 'i7core_unregister_mci': drivers/edac/i7core_edac.c:1910:2: error: implicit declaration of function 'edac_mce_unregister' drivers/edac/i7core_edac.c: In function 'i7core_register_mci': drivers/edac/i7core_edac.c:2008:2: error: implicit declaration of function 'edac_mce_register' Caused by commit af9d220bac41 ("EDAC: Correct Kconfig dependencies"). Since CONFIG_EDAC_MCE is no longer selected most of the stuff in linux/edac_mce.h is not available. I have reverted that commit for today. -- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/