On Mon, Nov 07, 2011 at 03:22:05PM +0100, Peter Zijlstra wrote:
> On Thu, 2011-11-03 at 14:33 +0200, Gleb Natapov wrote:
> > @@ -35,6 +35,7 @@ config KVM
> > select KVM_MMIO
> > select TASKSTATS
> > select TASK_DELAY_ACCT
> > + select PERF_EVENTS
>
> Do you really want to make that an unconditional part of KVM? I know we
> can't currently build x86 without perf due to that hw breakpoint
> trainwreck, but people were actually wanting to solve that.
>
I am fine either way (the only thing is that I can't check that I can
build kvm without pmu right now). But I doubt that there will be many
KVM deployment without perf enabled and making it optional will increase
test matrix. KVM has pretty extensive list of selects already for that
reason. I let maintainers to decide on this.
--
Gleb.
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