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Re: [PATCH v3 59/70] x86: Use control flow typechecking where possible
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Wed, 23 Feb 2022 14:28:02 +0000
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- Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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- Thread-topic: [PATCH v3 59/70] x86: Use control flow typechecking where possible
On 23/02/2022 14:21, Jan Beulich wrote:
> On 22.02.2022 16:26, Andrew Cooper wrote:
>> Now all callees have been annotated, turn on typechecking to catch issues in
>> the future.
>>
>> This extension isn't in a released version of GCC yet, so provide a container
>> to use with the extention included, and add it to CI. RANDCONFIG is
>> necessary
>> because some stubs for compiled-out subsystems are used as function pointer
>> targets.
>>
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> I certainly see that we will want to have this extra level of safety.
> Hence feel free to add
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Thanks.
> But I'd like us to form a plan in case the change doesn't get committed
> relatively soon after gcc re-opens for general development after gcc12
> was branched off. We don't want to get into the position of needing to
> maintain a gcc patch. Do you have any insight as to what is actually
> blocking the committing of that change, seeing that it has been around
> for a while?
I'll follow up and try to unblock.
~Andrew
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