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Re: [PATCH RESEND 2/2] xen: Allow EXPERT mode to be selected from the menuconfig directly

On 30.04.2020 17:35, Julien Grall wrote:
> On 30/04/2020 15:50, Jan Beulich wrote:
>> On 30.04.2020 16:25, Julien Grall wrote:
>>> EXPERT mode is currently used to gate any options that are in technical
>>> preview or not security supported At the moment, the only way to select
>>> it is to use XEN_CONFIG_EXPERT=y on the make command line.
>>> However, if the user forget to add the option of one of the make
>>> command (even a clean), then .config will get rewritten. This may lead
>>> to a rather frustrating experience as it is difficult to diagnostic the
>>> issue.
>> Is / will this still be true after Anthony's rework of the build
>> system? Right now we already have
>> clean-targets := %clean
>> no-dot-config-targets := $(clean-targets) \
>>                           ...
> I haven't tried Anthony's rework yet. But I guess the problem would
> be the same if you forget to add XEN_CONFIG_EXPERT=y on make.

Why? xen/.config would get re-written only if kconfig got run in
the first place. It is my understanding that no-dot-config-targets
exist to avoid including .config, and as a result make won't find
a need anymore to cause it to re-made if out of date.




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