On Fri, 2013-05-03 at 13:53 +0200, Robert Richter wrote:
> On 02.05.13 17:16:18, Arnd Bergmann wrote:
> > oprofile fails to build if CONFIG_IRQ_WORK is not already enabled,
> > because of the dependency on the RING_BUFFER code that now uses
> > the irq work library.
> >
> > kernel/built-in.o: In function `ring_buffer_unlock_commit':
> > :(.text+0x5b8f0): undefined reference to `irq_work_queue'
> > kernel/built-in.o: In function `ring_buffer_write':
> > :(.text+0x5bd10): undefined reference to `irq_work_queue'
>
> Shouldn't this be fixed in the ring_buffer implementation?
Does this patch fix it?
-- Steve
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 5e9efd4..015f85a 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -71,6 +71,7 @@ config TRACE_CLOCK
config RING_BUFFER
bool
select TRACE_CLOCK
+ select IRQ_WORK
config FTRACE_NMI_ENTER
bool
@@ -107,7 +108,6 @@ config TRACING
select BINARY_PRINTF
select EVENT_TRACING
select TRACE_CLOCK
- select IRQ_WORK
config GENERIC_TRACER
bool
--
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