Re: [tip:perf/core] bpf: Fix the build on BPF_SYSCALL= y && !CONFIG_TRACING kernels, make it more configurable
From: Ingo Molnar
Date: Thu Apr 02 2015 - 11:47:49 EST
* Alexei Starovoitov <ast@xxxxxxxxxxxx> wrote:
> On 4/2/2015 7:30 AM, tip-bot for Ingo Molnar wrote:
> >Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> >CommitDate: Thu, 2 Apr 2015 16:28:06 +0200
> >bpf: Fix the build on BPF_SYSCALL=y && !CONFIG_TRACING kernels, make it more configurable
> Thanks for the fix.
> I've tried this combination and it was fine, since whole kernel/trace/
> directory is not compiled when !CONFIG_TRACING, but I missed the fact
> that CONFIG_RING_BUFFER=y also enables kernel/trace/ which this ia64
> .config exploited :( I'll add it to my set of configs.
I saw this on x86 as well, but yeah, it was a rare thing.
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