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    SubjectRe: [PATCH] rcu: Is it safe to enter an RCU read-side critical section?

    * Christoph Lameter <cl@linux.com> wrote:

    > On Mon, 9 Sep 2013, Ingo Molnar wrote:
    >
    > > I saw those, he posted 'needs testing' patches. He still behaved
    > > passive-aggressively, pretending that it was some difficult task to
    > > perform, as if we were pulling his teeth.
    >
    > I need your review of those. I will rediff as soon as rc1 is out to send
    > something that can be put into -next. Please tell me until then if the
    > approach is ok. I dont think we can do anything in the merge window.

    The patch looked OK. Have you tested it, such as using a this_cpu op on a
    PREEMPT=y kernel in a preemptible section? That should trigger the preempt
    warning.

    Thanks,

    Ingo


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