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Re: [PATCH] x86/asm: Introduce a tailcall pseduo-op
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Tue, 4 Jul 2023 18:04:51 +0100
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
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On 04/07/2023 3:29 pm, Jan Beulich wrote:
> On 30.06.2023 17:20, Andrew Cooper wrote:
>> It was previously noted that CALL/BUG is a weird combination, but there is
>> good reason to use this pattern.
>>
>> Introduce an explicit tailcall macro make it clearer in context.
>>
>> No functional change.
>>
>> Reported-by: Jan Beulich <JBeulich@xxxxxxxx>
> Did I? Must have been a long time back, as I don't think I remember us
> talking about this.
This was discussed on multiple patch reviews, where I was introducing
the pattern and you were complaining about the BUG and comment. I can
drop the tag if you'd prefer.
>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Thanks
~Andrew
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