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? I also do not see, where this comes from. I was successfully compiling a kernel with OPROFILE and RING_BUFFER enabled but IRQ_WORK disabled. Do you have that config still available? Thanks, -Robert > > Cc: Robert Richter <[email protected]> > Cc: [email protected] > Signed-off-by: Arnd Bergmann <[email protected]> > --- > arch/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/Kconfig b/arch/Kconfig > index a6b1056..434a8dc 100644 > --- a/arch/Kconfig > +++ b/arch/Kconfig > @@ -8,6 +8,7 @@ config OPROFILE > depends on HAVE_OPROFILE > select RING_BUFFER > select RING_BUFFER_ALLOW_SWAP > + select IRQ_WORK > help > OProfile is a profiling system capable of profiling the > whole system, include the kernel, kernel modules, libraries, > -- > 1.8.1.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
