Hi Christoph, After merging the uuid tree, today's linux-next build (powerpc ppc64_defconfig) failed like this: In file included from drivers/base/cpu.c:16:0: include/linux/acpi.h:744:16: error: unknown type name 'guid_t' const guid_t *guid, ^ Caused by commit 94116f8126de ("ACPI: Switch to use generic guid_t in acpi_evaluate_dsm()") linux/uuid.h is only include for the CONFIG_ACPI case (in commit 41c8bdb3ab10 "acpi, nfit: Switch to use new generic UUID API"). This build does not have CONFIG_ACPI set. I have used the uuid tree from next-20170607 for today. -- Cheers, Stephen Rothwell -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html