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Re: [Xen-devel] [PATCH v4 0/10] arm: more kconfig configurability and small default configs
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>, julien.grall@xxxxxxx
- From: Doug Goldstein <cardoe@xxxxxxxxxx>
- Date: Fri, 1 Jun 2018 14:17:00 -0500
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- Cc: artem_mygaiev@xxxxxxxx, lars.kurth@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, andrii_anisov@xxxxxxxx, dfaggioli@xxxxxxxx
- Delivery-date: Fri, 01 Jun 2018 19:17:12 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Openpgp: preference=signencrypt
On 5/31/18 4:48 PM, Stefano Stabellini wrote:
> One note about Kconfig renaming: I can see the benefit of being
> consistent with the naming and using HAS_ only for options that are
> always enabled, but I really don't have a strong opinion on this topic.
So fwiw, the HAS_ fields come from the Linux kernel. Its mostly used to
let the build system know that this hardware HAS this ability and then
later there is an option to allow it to be configured on and off. Our
use of Kconfig didn't actually introduce these. The Xen build system
relied on them before I added Kconfig since we sync a number of drivers
over from the Linux kernel tree. It just felt natural to move them out
of being hard coded values in the Makefiles and into Kconfig proper so
they could be used as Linux uses them.
--
Doug Goldstein
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