Messages in this thread | | | Subject | Re: linux-next: Tree for Mar 31 (build failures and culprits) | From | Michael Ellerman <> | Date | Wed, 01 Apr 2015 10:24:41 +1100 |
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On Wed, 2015-04-01 at 01:07 +0200, Greg Kroah-Hartman wrote: > On Tue, Mar 31, 2015 at 09:16:40AM -0700, Guenter Roeck wrote: > > alpha:allmodconfig > > mips:allmodconfig > > > > samples/kdbus/kdbus-workers.c: In function ‘prime_new’: > > samples/kdbus/kdbus-workers.c:930:18: error: ‘__NR_memfd_create’ undeclared > > (first use in this function) > > p->fd = syscall(__NR_memfd_create, "prime-area", MFD_CLOEXEC); > > > > Looks like the kdbus example never worked for the affected architectures. > > I don't build allmodconfig for all architectures, so other architectures > > may be affected as well. > > You need 3.17 kernel headers to have memfd_create, not much the kdbus > test code can do about that. You might want to update the kernel > headers for these build boxes.
Or just 'make headers_install' before building the samples should do it.
cheers
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