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Re: [PATCH v1 3/5] tools/test: introduce a 'make check' rule


  • To: Edwin Török <edwin.torok@xxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Tue, 31 Mar 2026 09:13:44 +0200
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Julien Grall <julien@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 31 Mar 2026 07:14:01 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 30.03.2026 18:17, Edwin Török wrote:
> --- a/tools/tests/Makefile
> +++ b/tools/tests/Makefile
> @@ -17,5 +17,23 @@ ifneq ($(clang),y)
>  SUBDIRS-$(CONFIG_X86) += x86_emulator
>  endif
>  
> -.PHONY: all clean install distclean uninstall
> +.PHONY: all clean install distclean uninstall check
>  all clean distclean install uninstall: %: subdirs-%
> +
> +# Subset of SUBDIRS that do not depend on xenctrl
> +# Thus these tests can be run in the CI directly,
> +# or on the developer's machine.
> +
> +SUBDIRS_CHECK-y :=
> +SUBDIRS_CHECK-y += domid
> +SUBDIRS_CHECK-y += pdx
> +SUBDIRS_CHECK-y += rangeset
> +SUBDIRS_CHECK-y += vpci
> +
> +SUBDIRS_CHECK-$(CONFIG_X86) += cpu-policy
> +ifneq ($(clang),y)
> +SUBDIRS_CHECK-$(CONFIG_X86) += x86_emulator
> +endif
> +
> +# Ensure tests can run in parallel, the for loop in ../Rules.mk would 
> serialize them
> +check: $(foreach subdir,$(SUBDIRS_CHECK-y),subdir-run-$(subdir))

As said in reply to the earlier patch, the emulator harness is special.
While its building is suppressed (not causing a failure) when the toolchain
is too old, its running isn't suppressed like this. Instead, if you invoke
one of its two run* targets, it is assumed that you would override e.g. CC
to be capable of building the harness. (This is particularly important for
the run to actually have full coverage, since - as also said in the other
reply - blob building may fail with, at times, not bleeding edge tools.)

Perhaps its running here could be keyed to it having been built
successfully before. And then, if (on a 64-bit host) the 32-bit harness
was also successfully built, it probably should be run as well.

Jan



 


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