Re: [Qemu-devel] [RFC PATCH 0/8] removal of tci (tcg interpreter)

[Thomas Huth]

On 29.06.2017 17:06, Paolo Bonzini wrote:
> 
> 
> On 29/06/2017 10:46, Thomas Huth wrote:
>>> Patches 7,8 are the removal, marked RFC... let's debate!
>> ... but NACK for a direct removal. Common sense is to make obsolete
>> features as deprecated first and then wait for 2 public releases before
>> the final removal, so that users still have a chance to speak up in case
>> they still need the feature and are willing to maintain it.
> 
> I think this is a slightly different case than what is in
> http://wiki.qemu.org/Features/LegacyRemoval.
> 
> TCI is enabled only with a specific configure argument if your machine
> is not supported by TCG.  This would break _build_ configurations, not
> user configurations.  It's a remote possibility that users are building
> their own QEMU, with TCI enabled, to work around a TCG bug.  So we can
> be more speedy in removing the code.

You never know ... it's unlikely, but there might be people around who
run configure with "--enable-tcg-interpreter" on purpose. And why the
hurry for removing this? It's been around in the current shape since
years, so waiting for two more releases does not hurt, does it?

 Thomas