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oprofile: select RING_BUFFER

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Impact: build fix

OProfile now depends on the ring buffer infrastructure:

 arch/x86/oprofile/built-in.o: In function `oprofile_add_ibs_sample':
 : undefined reference to `ring_buffer_unlock_commit'

Select TRACING and RING_BUFFER when oprofile is enabled.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-12-12 09:38:57 +01:00
parent c4f50183f9
commit d69d59f497
1 changed files with 2 additions and 0 deletions
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2
arch/Kconfig
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@ -6,6 +6,8 @@ config OPROFILE
tristate "OProfile system profiling (EXPERIMENTAL)"
depends on PROFILING
depends on HAVE_OPROFILE
select TRACING
select RING_BUFFER
help
OProfile is a profiling system capable of profiling the
whole system, include the kernel, kernel modules, libraries,