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Re: [PATCH for-4.17] CI: Force CONFIG_XEN_IBT in the buster-gcc-ibt test
- To: Stefano Stabellini <sstabellini@xxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Tue, 27 Sep 2022 23:23:20 +0000
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- Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Doug Goldstein <cardoe@xxxxxxxxxx>, Henry Wang <Henry.Wang@xxxxxxx>
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- Thread-topic: [PATCH for-4.17] CI: Force CONFIG_XEN_IBT in the buster-gcc-ibt test
On 27/09/2022 23:47, Stefano Stabellini wrote:
> On Mon, 26 Sep 2022, Andrew Cooper wrote:
>> buster-gcc-ibt is a dedicated test to run a not-yet-upstreamed compiler patch
>> which is relevant to CONFIG_XEN_IBT in 4.17 and later.
>>
>> Force it on, rather than having 50% of the jobs not testing what they're
>> supposed to be testing.
>>
>> Fixes: 5d59421815d5 ("x86: Use control flow typechecking where possible")
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>> ---
>> CC: Doug Goldstein <cardoe@xxxxxxxxxx>
>> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
>> CC: Henry Wang <Henry.Wang@xxxxxxx>
>>
>> For 4.17: This is bugfix to CI only, to avoid it producing a false negative.
>> Currently, the test intermittently fails to spot the error it was intended to
>> identify. It is very low risk as far as the 4.17 release goes.
> Thanks for the patch! Very recently Michal has added a similar
> EXTRA_XEN_CONFIG option.
I know - that's where I sto^W borrowed the idea from.
> If you are OK with it, I'll rename
> EXTRA_FIXED_RANDCONFIG to EXTRA_XEN_CONFIG in this patch for
> consistency. I can do it on commit.
No, that will break the fix.
These are not options to be inserted into a regular .config.
These are options passed to `make randconfig` via a sidedoor (the
KCONFIG_ALLCONFIG= variable) causing them to be handled specially while
the regular .config file is has it's contents randomised.
~Andrew
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