On Wed, Oct 14, 2026 at 04:01:49PM -0400, Sasha Levin wrote:
> The uvdevice Makefile decides whether to build its test from uname -m,
> which describes the build host. A cross build for s390 on another host
> therefore silently omits the test, while the non-s390 branch provides
> no-op build and installation targets but no emit_tests target.
>
> Select the test from the target ARCH when it is given and from the
> host's SUBARCH otherwise, accepting both the s390 and s390x spellings,
> and include lib.mk unconditionally so that other architectures build,
> install and emit an empty runlist. ARCH itself is left unset so that a
> native LLVM=1 build keeps using the compiler's native target.
>
> Drop the include path derived from tools/arch/$(ARCH): the test only
> needs asm/uvdevice.h from the installed kernel headers, and the path
> does not exist for the s390x spelling.
>
> Fixes: cbac924200b8 ("selftests: drivers/s390x: Add uvdevice tests")
> Signed-off-by: Sasha Levin <[email protected]>
LGTM.
Thanks.
Reviewed-by: Steffen Eiden <[email protected]>
