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Date: Sat, 8 May 2010 13:15:29 +0200 From: Ingo Molnar <mingo@...e.hu> To: Tejun Heo <tj@...nel.org> Cc: peterz@...radead.org, linux-kernel@...r.kernel.org, paulmck@...ux.vnet.ibm.com Subject: Re: [GIT PULL sched/core] cpu_stop: implement and use cpu_stop, take#3 * Tejun Heo <tj@...nel.org> wrote: > Hello, Ingo. > > Please pull from the following branch to receive cpu_stop patches. > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc.git cpu_stop > > Adding mb()'s in synchronize_sched_expedited() is the only change > since the last take[2]. Both Peter and Paul have acked the patchset. > I'll post the patchset as replies to this message. > > This patchset is on top of the current sched/core (99bd5e2f) and > contains the following changes. > > Paul E. McKenney (1): > scheduler: correctly place paranioa memory barriers in synchronize_sched_expedited() > > Tejun Heo (4): > cpu_stop: implement stop_cpu[s]() > stop_machine: reimplement using cpu_stop > scheduler: replace migration_thread with cpu_stop > scheduler: kill paranoia check in synchronize_sched_expedited() > > Documentation/RCU/torture.txt | 10 - > arch/s390/kernel/time.c | 1 - > drivers/xen/manage.c | 14 +- > include/linux/rcutiny.h | 2 - > include/linux/rcutree.h | 1 - > include/linux/stop_machine.h | 59 +++-- > kernel/cpu.c | 8 - > kernel/module.c | 14 +- > kernel/rcutorture.c | 2 +- > kernel/sched.c | 284 +++++----------------- > kernel/sched_fair.c | 48 +++- > kernel/stop_machine.c | 530 +++++++++++++++++++++++++++++++---------- > 12 files changed, 538 insertions(+), 435 deletions(-) FYI, it doesnt build on x86 allnoconfig: kernel/sched_fair.c: In function 'load_balance': kernel/sched_fair.c:2917: error: implicit declaration of function 'stop_one_cpu_nowait' kernel/sched.c: In function 'sched_exec': kernel/sched.c:3084: error: implicit declaration of function 'stop_one_cpu' kernel/sched.c: In function 'synchronize_sched_expedited': Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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