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Re: [PATCH] automation: add a build job with NR_CPUS == 1
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 3 Mar 2021 11:46:44 +0000
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- Cc: Doug Goldstein <cardoe@xxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>
- Delivery-date: Wed, 03 Mar 2021 11:48:01 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 03/03/2021 08:33, Roger Pau Monne wrote:
> This requires adding some logic in the build script in order to be
> able to pass specific Xen Kconfig options.
>
> Setting any CONFIG_* environment variable when executing the build
> script will set such variable in the empty .config file before
> running the olddefconfig target. The .config file is also checked
> afterwards to assert the option has not been lost as part of the
> configuration process.
>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> ---
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> ---
> Not sure whether there's some easiest way to force a config option to
> a set value from the command line.
I'm -2 to this. We've already use thousands of machine minutes per
push, and this corner case isn't worth adding another 30 minutes or so
per push.
What would be far more useful is for randconfig to be weighted to choose
1, something around BITS_PER_LONG, and something around max preferentially.
~Andrew
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