On Fri, Aug 19, 2022 at 10:10:24AM -0700, Davidlohr Bueso wrote: > index b192d917a6d0..ac4d4fd4e508 100644 > --- a/arch/x86/include/asm/cacheflush.h > +++ b/arch/x86/include/asm/cacheflush.h > @@ -10,4 +10,8 @@ > > void clflush_cache_range(void *addr, unsigned int size); > > +/* see comments in the stub version */ > +#define flush_all_caches() \ > + do { wbinvd_on_all_cpus(); } while(0) Yikes. This is just a horrible, horrible name and placement for a bad hack that should have no generic relevance. Please fix up the naming to make it clear that this function is for a very specific nvdimm use case, and move it to a nvdimm-specific header file.