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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2009-09-16 21:56:49 +0200 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2009-09-17 15:53:42 -0400 |
| commit | 9a5963eb494c8a7be65199e15854551df7d2d939 (patch) | |
| tree | 1ab01e8910e3f92de9aabb23b6f37c7aa275f5f0 /arch/Kconfig | |
| parent | b375a11a239e9e1cac40c7f3ff28b343d9f7ac51 (diff) | |
| download | lwn-9a5963eb494c8a7be65199e15854551df7d2d939.tar.gz lwn-9a5963eb494c8a7be65199e15854551df7d2d939.zip | |
oprofile: fix oprofile regression: select RING_BUFFER_ALLOW_SWAP
commit 85bac32c4a52c592b857f2c360cc5ec93a097d70
ring-buffer: only enable ring_buffer_swap_cpu when needed
broke oprofile (at least on s390, but likely on all platforms).
this patch lets oprofile select RING_BUFER_ALLOW_SWAP to make
ring_buffer_swap_cpu usable for oprofile.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
LKML-Reference: <200909162156.49239.borntraeger@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Robert Richter <robert.richter@amd.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index beea3ccebb5e..7f418bbc261a 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -9,6 +9,7 @@ config OPROFILE depends on TRACING_SUPPORT select TRACING select RING_BUFFER + select RING_BUFFER_ALLOW_SWAP help OProfile is a profiling system capable of profiling the whole system, include the kernel, kernel modules, libraries, |