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Date: Sun, 9 Sep 2012 01:34:29 +0800 From: Lai Jiangshan <eag0628@...il.com> To: Lai Jiangshan <laijs@...fujitsu.com> Cc: Tejun Heo <tj@...nel.org>, linux-kernel@...r.kernel.org Subject: Re: [PATCH 0/7 V6] workqueue: fix hoplug things On Sun, Sep 9, 2012 at 1:27 AM, Lai Jiangshan <eag0628@...il.com> wrote: > On Sun, Sep 9, 2012 at 1:12 AM, Lai Jiangshan <laijs@...fujitsu.com> wrote: >> The patch set is based on 3b07e9ca26866697616097044f25fbe53dbab693 of wq.git >> >> Patch 1,2 are accepted. Patch 1 goes to 3.6. tj has a replacement goes >> to 3.6 instead of Patch 2. so Patch2 will go to 3.7. Patch2 will need >> to be rebased if the replacement is still in 3.7. >> (tj, could you help me do the rebase if I don't need to respin the patchset >> as V7 ?) >> >> Patch3,4 fix depletion problem, it is simple enough. it goes to 3.6. > > sorry. > 3.6 is synchronous idles when we use tj's replacement for patch2. > and maybe_rebind_manager() don't wait for idles rebind. so it can't go to 3.6. > > Choice1: also push Patch 2(async idle rebinding) to 3.6? thus patch 4 > can goto 3.6 too. > Choice2: add workaroud and make patch4 and make it go to 3.6. (add some code.) > Sorry again. the above worry is incorrect. maybe_rebind_manager() **DO** wait for idles rebind via mutex_lock(manager_lock). so it is safe to 3.6. sorry. don't worry anything. I just think it without code. Thanks Lai > >> >> Patch 5,6,7 are clean up. -> 3.7 >> >> >> Lai Jiangshan (7): >> workqueue: ensure the wq_worker_sleeping() see the right flags >> workqueue: async idle rebinding >> workqueue: add manager pointer for worker_pool >> workqueue: fix idle worker depletion >> workqueue: rename manager_mutex to assoc_mutex >> workqueue: new day don't need WORKER_REBIND for busy rebinding >> workqueue: remove WORKER_REBIND >> >> kernel/workqueue.c | 195 +++++++++++++++++++++++----------------------------- >> 1 files changed, 85 insertions(+), 110 deletions(-) >> >> -- >> 1.7.4.4 >> >> -- >> 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/ -- 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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