On Fri, Mar 18, 2022 at 9:34 AM <guoren@xxxxxxxxxx> wrote: > @@ -3,6 +3,8 @@ generic-y += asm-offsets.h > generic-y += extable.h > generic-y += gpio.h > generic-y += kvm_para.h > +generic-y += ticket-lock.h > +generic-y += ticket-lock-types.h > generic-y += qrwlock.h > generic-y += user.h > generic-y += vmlinux.lds.h If these headers are not included from architecture-independent code, they should not be marked as generic-y, same as for the qrwlock.h header > +#include <asm/ticket-lock.h> > #include <asm/qrwlock.h> > > ... > +#include <asm/ticket-lock-types.h> > #include <asm-generic/qrwlock_types.h> > So these should all become #include <asm-generic/...h> It would however make sense to have the trivial two-line version of the two header files and put them into asm-generic/spinlock.h and asm-generic/spinlock-types.h, replacing the current version. If you do that, then you need a 'generic-y' line for spinlock.h, but not for the other ones. Arnd