Messages in this thread | | | Date | Thu, 07 Jul 2011 11:04:46 +0900 | From | Hirokazu Takata <> | Subject | Re: [PATCH 1/3] m32r: Use generic PREEMPT config |
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From: Frederic Weisbecker <fweisbec@gmail.com> Subject: [PATCH 1/3] m32r: Use generic PREEMPT config Date: Tue, 05 Jul 2011 18:04:26 +0200 > Use the generic preempt config definition in m32r instead of > using a custom one. > > This also makes it handle the new CONFIG_PREEMPT_COUNT that > need to be selected by CONFIG_PREEMPT. > > Without that it breaks > > kernel/sched.c: In function 'preempt_schedule': > kernel/sched.c:4364: error: implicit declaration of function 'add_preempt_count_notrace' > kernel/sched.c:4366: error: implicit declaration of function 'sub_preempt_count_notrace' > > Reported-by: Ingo Molnar <mingo@elte.hu> > Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> > Cc: Hirokazu Takata <takata@linux-m32r.org>
Acked-by: Hirokazu Takata <takata@linux-m32r.org>
Thank you.
> --- > arch/m32r/Kconfig | 12 +----------- > 1 files changed, 1 insertions(+), 11 deletions(-) > > diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig > index 85b44e8..b92b944 100644 > --- a/arch/m32r/Kconfig > +++ b/arch/m32r/Kconfig > @@ -268,17 +268,7 @@ config SCHED_OMIT_FRAME_POINTER > bool > default y > > -config PREEMPT > - bool "Preemptible Kernel" > - help > - This option reduces the latency of the kernel when reacting to > - real-time or interactive events by allowing a low priority process to > - be preempted even if it is in kernel mode executing a system call. > - This allows applications to run more reliably even when the system is > - under load. > - > - Say Y here if you are building a kernel for a desktop, embedded > - or real-time system. Say N if you are unsure. > +source "kernel/Kconfig.preempt" > > config SMP > bool "Symmetric multi-processing support" > -- > 1.7.5.4 >
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