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SubjectRe: [PATCH 10/11] x86: perf_event_intel_bts.c: use arch_initcall to hook in enabling
On 15-06-01 03:04 AM, Peter Zijlstra wrote:
> On Sun, May 31, 2015 at 08:54:11PM -0400, Paul Gortmaker wrote:
>> This was using module_init, but there is no way this code can
>> be modular.
>
> No, I think you could actually make it modular if you really wanted to.

By "really wanted to" -- do you mean future changes that someone might do?

Since currently, I can't see how this could be modular. We have...

In arch/x86/kernel/cpu/Makefile:

obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_pt.o perf_event_intel_bts.o

and in arch/x86/Kconfig.cpu:

config CPU_SUP_INTEL
default y
bool "Support Intel processors" if PROCESSOR_SELECT

...so this seems always built in to me, in the current code base.

Paul.


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