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Re: [XEN PATCH v5] xen: rework `checkpolicy` detection when using "randconfig"

  • To: Anthony PERARD <anthony.perard@xxxxxxxxxx>
  • From: Jan Beulich <jbeulich@xxxxxxxx>
  • Date: Tue, 28 Sep 2021 17:12:00 +0200
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Ian Jackson <iwj@xxxxxxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 28 Sep 2021 15:12:12 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 28.09.2021 17:04, Anthony PERARD wrote:
> This will help prevent the CI loop from having build failures when
> `checkpolicy` isn't available when doing "randconfig" jobs.
> To prevent "randconfig" from selecting XSM_FLASK_POLICY when
> `checkpolicy` isn't available, we will actually override the config
> output with the use of KCONFIG_ALLCONFIG.
> Doing this way still allow a user/developer to set XSM_FLASK_POLICY
> even when "checkpolicy" isn't available. It also prevent the build
> system from reset the config when "checkpolicy" isn't available
> anymore. And XSM_FLASK_POLICY is still selected automatically when
> `checkpolicy` is available.
> But this also work well for "randconfig", as it will not select
> XSM_FLASK_POLICY when "checkpolicy" is missing.
> This patch allows to easily add more override which depends on the
> environment.
> Also, move the check out of Config.mk and into xen/ build system.
> Nothing in tools/ is using that information as it's done by
> ./configure.
> We named the new file ".allconfig.tmp" as ".*.tmp" are already ignored
> via .gitignore.
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>



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