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Re: [WIP BRANCH] cgroups support in bfq-mq WIP branch

From Jens Axboe <axboe@kernel.dk>
Newsgroups linux.kernel
Subject Re: [WIP BRANCH] cgroups support in bfq-mq WIP branch
Date 2017-03-02 17:00 +0100
Message-ID <tgBj4-4tT-19@gated-at.bofh.it> (permalink)
References <teODL-2S0-7@gated-at.bofh.it> <tePJw-3Ad-9@gated-at.bofh.it> <tgw02-OJ-21@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 03/02/2017 03:15 AM, Paolo Valente wrote:
> 
>> Il giorno 25 feb 2017, alle ore 19:52, Jens Axboe <axboe@kernel.dk> ha scritto:
>>
>> On 02/25/2017 10:44 AM, Paolo Valente wrote:
>>> Hi,
>>> I've just completed cgroups support, and I'd like to highlight the
>>> main blk-mq issue that I have found along the way.  I have pushed the
>>> commit that completes the support for cgroups to the usual WIP branch
>>> [1].  Before moving to this issue, I have preliminary question about
>>> the scheduler name, since I'm about to start preparing the patch
>>> series for submission.  So far, I have used bfq-mq as a temporary
>>> name.  Are we fine with it, or should I change it, for example, to
>>> just bfq?  Jens?
>>
>> Just call it 'bfq', that doesn't conflict with anything that's
>> in the kernel already.
>>
> 
> ok
> 
>>> I've found a sort of circular dependency in blk-mq, related to
>>> scheduler initialization.  To describe both the issue and how I've
>>> addressed it, I'm pasting the message of the new commit.
>>
>> Rebase your patches on top of Linus current master, some of them
>> will need to change and some can be dropped.
>>
> 
> Done, but the last deadlock issue shows up again :( To help you get
> context, I'm going to reply to the email in which your sent the patch that
> solved it.

OK, I got that sent to you. When you have tested it, just add it as
a prep patch in your series. If it works for you, then let me know
and I'll add your Tested-by: to that patch and post it for more
thorough review.

-- 
Jens Axboe

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Re: [WIP BRANCH] cgroups support in bfq-mq WIP branch Paolo Valente <paolo.valente@linaro.org> - 2017-03-02 11:20 +0100
  Re: [WIP BRANCH] cgroups support in bfq-mq WIP branch Jens Axboe <axboe@kernel.dk> - 2017-03-02 17:00 +0100

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