Re: [PATCH 0/4] rcu: Detect rcu uses under extended quiescent state, and fix some

Paul E. McKenney
2011-06-06T18:12:52Z

On Mon, Jun 06, 2011 at 05:10:53AM +0200, Frederic Weisbecker wrote:
> I found two examples with the last two patches but I suspect there are more bugs
> waiting to be detected under other configs and/or archs.

Good catch!!!

Thanx, Paul

> Frederic Weisbecker (4):
> rcu: Detect uses of rcu read side in extended quiescent states
> nohz: Split extended quiescent state handling from nohz switch
> x86: Don't call idle notifier inside rcu extended QS
> x86: Call idle_exit() after irq_enter()
>
> arch/arm/kernel/process.c | 4 +-
> arch/avr32/kernel/process.c | 4 +-
> arch/blackfin/kernel/process.c | 4 +-
> arch/microblaze/kernel/process.c | 4 +-
> arch/mips/kernel/process.c | 4 +-
> arch/powerpc/kernel/idle.c | 4 +-
> arch/powerpc/platforms/iseries/setup.c | 8 +++---
> arch/s390/kernel/process.c | 4 +-
> arch/sh/kernel/idle.c | 2 +-
> arch/sparc/kernel/process_64.c | 4 +-
> arch/tile/kernel/process.c | 4 +-
> arch/um/kernel/process.c | 4 +-
> arch/unicore32/kernel/process.c | 4 +-
> arch/x86/kernel/apic/apic.c | 6 ++--
> arch/x86/kernel/apic/io_apic.c | 3 +-
> arch/x86/kernel/cpu/mcheck/mce.c | 2 +-
> arch/x86/kernel/cpu/mcheck/therm_throt.c | 2 +-
> arch/x86/kernel/cpu/mcheck/threshold.c | 2 +-
> arch/x86/kernel/irq.c | 5 +--
> arch/x86/kernel/process_32.c | 4 +-
> arch/x86/kernel/process_64.c | 7 +++++-
> include/linux/lockdep.h | 8 ++++++-
> include/linux/rcupdate.h | 20 ++++++++++++-----
> include/linux/tick.h | 10 ++++++--
> kernel/lockdep.c | 12 ++++++++--
> kernel/pid.c | 2 +-
> kernel/rcutree.c | 14 ++++++++++++
> kernel/time/tick-sched.c | 34 ++++++++++++++++++++++++++++-
> 28 files changed, 129 insertions(+), 56 deletions(-)
>
> --
> 1.7.5.2
>