[PATCH v4 14/16] KVM: selftests: Provide empty 'all' and 'clean' targets for unsupported ARCHs

[Andrew Jones]

On Wed, Nov 27, 2024 at 04:55:45PM -0800, Sean Christopherson wrote:
> Provide empty targets for KVM selftests if the target architecture is
> unsupported to make it obvious which architectures are supported, and so
> that various side effects don't fail and/or do weird things, e.g. as is,
> "mkdir -p $(sort $(dir $(TEST_GEN_PROGS)))" fails due to a missing operand,
> and conversely, "$(shell mkdir -p $(sort $(OUTPUT)/$(ARCH_DIR) ..." will
> create an empty, useless directory for the unsupported architecture.
> 
> Move the guts of the Makefile to Makefile.kvm so that it's easier to see
> that the if-statement effectively guards all of KVM selftests.
> 
> Reported-by: Muhammad Usama Anjum <usama.anjum at collabora.com>
> Signed-off-by: Sean Christopherson <seanjc at google.com>
> ---
>  tools/testing/selftests/kvm/.gitignore   |   1 +
>  tools/testing/selftests/kvm/Makefile     | 336 +----------------------
>  tools/testing/selftests/kvm/Makefile.kvm | 334 ++++++++++++++++++++++
>  3 files changed, 340 insertions(+), 331 deletions(-)
>  create mode 100644 tools/testing/selftests/kvm/Makefile.kvm
>

Acked-by: Andrew Jones <ajones at ventanamicro.com>