Hi all, After merging the tip tree, today's linux-next build (x86_64 allmodconfig) failed like this: In file included from drivers/usb/usbip/usbip_common.c:18: drivers/usb/usbip/usbip_common.h: In function 'usbip_kcov_handle_init': drivers/usb/usbip/usbip_common.h:348:20: error: implicit declaration of function 'kcov_common_handle' [-Werror=implicit-function-declaration] 348 | ud->kcov_handle = kcov_common_handle(); | ^~~~~~~~~~~~~~~~~~ drivers/usb/usbip/usbip_common.h: In function 'usbip_kcov_remote_start': drivers/usb/usbip/usbip_common.h:353:2: error: implicit declaration of function 'kcov_remote_start_common' [-Werror=implicit-function-declaration] 353 | kcov_remote_start_common(ud->kcov_handle); | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/usb/usbip/usbip_common.h: In function 'usbip_kcov_remote_stop': drivers/usb/usbip/usbip_common.h:358:2: error: implicit declaration of function 'kcov_remote_stop'; did you mean 'usbip_kcov_remote_stop'? [-Werror=implicit-function-declaration] 358 | kcov_remote_stop(); | ^~~~~~~~~~~~~~~~ | usbip_kcov_remote_stop Caused by commit eae7a59d5a1e ("kcov: Remove kcov include from sched.h and move it to its users.") I have used the tip tree from next-20210302 for today. -- Cheers, Stephen Rothwell