[PATCH] [RFC PATCH] BPF backend

[Pete Cooper]

> On Dec 3, 2014, at 3:08 PM, Tom Stellard <tom at stellard.net> wrote:
> 
> On Wed, Dec 03, 2014 at 03:01:08PM -0800, Alexei Starovoitov wrote:
>> On Wed, Dec 3, 2014 at 2:16 PM, Pete Cooper <peter_cooper at apple.com> wrote:
>>> 
>>> On Dec 3, 2014, at 2:09 PM, Tim Northover <t.p.northover at gmail.com> wrote:
>>> 
>>> Please let me know your feedback and steps to get it merged.
>>> 
>>> 
>>> Could I ask who's going to maintain this backend? Targets without an
>>> active LLVM sub-community behind them tend to slowly bit-rot until
>>> everyone else gets fed up enough with fixing it when they refactor
>>> things; they then get removed.
>>> 
>>> Also (using AMDGPU and AArch64 as recent examples), we tend to add new
>>> backends as experimental then move them to ALL_TARGETS after some period of
>>> time.
>> 
>> that makes sense,
>> though it looks like LLVM_EXPERIMENTAL_TARGETS_TO_BUILD
>> only exists in cmake setup... so I'm guessing it's obsolete?
> 
> 
> In the autoconf build, you can use --enable-experimental-targets=BPF.
> You don't need to make any modifications to configure.ac for this to work.
> 
Also, I believe its not obsolete, just that both AMDGPU and AArch64 graduated to non-experimental targets.

Thanks,
Pete
> -Tom
> 
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