On Wed, 2015-07-29 at 12:19 -0400, Paul Gortmaker wrote: > Hi David, > > Does it make sense to build this sample when cross compiling? > > The reason I ask is that it has been breaking the linux-next build of > allmodconfig for a while now, with: > > HOSTCC samples/kdbus/kdbus-workers > samples/kdbus/kdbus-workers.c: In function ‘prime_new’: > samples/kdbus/kdbus-workers.c:934:18: error: ‘__NR_memfd_create’ undeclared (first use in this function) > p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC); > ^ > samples/kdbus/kdbus-workers.c:934:18: note: each undeclared identifier is reported only once for each function it appears in > scripts/Makefile.host:91: recipe for target 'samples/kdbus/kdbus-workers' failed > make[2]: *** [samples/kdbus/kdbus-workers] Error 1 > > http://kisskb.ellerman.id.au/kisskb/buildresult/12473453/ > > We recently made some changes to skip other sample/test programs when > cross compiling in mainline 65f6f092a6987 and f59514b6a8c5ca6dd and > 6a407a81a9abcf. Maybe it makes sense to do the same here? Hi Paul, We also can configure kisskb to not build samples for all_modconfig, which avoids these sort of issues with a slight decrease in code coverage. We already disable samples for several other arch all_modconfigs. cheers -- 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