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    SubjectRe: Freezeable workqueues [Was: 2.6.22-rc1: Broken suspend on SMP with tifm]
    Date
    On Tuesday, 15 May 2007 02:56, Alex Dubov wrote:
    > >
    > > > > - Do we need freezeable workqueues ?
    > > >
    > > > Well, we have at least one case in which they appear to be useful.
    > >
    >
    > I need freezeable wq exactly for the fact that they are synchronized with suspend/resume. My
    > workitem may do device_register/unregister and it can (and will be) scheduled from irq handler
    > during resume. As far as I understand, before freezeable wqs, kthreads were the only way to
    > achieve this behavior,

    That's correct.

    > which is less convenient.

    Thanks for the explanation.

    Greetings,
    Rafael
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