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    SubjectRe: [RFC][PATCH RT 0/3] RT: Fix trylock deadlock without msleep() hack
    On Sat, 5 Sep 2015 14:04:57 +0200
    Ingo Molnar <mingo@kernel.org> wrote:


    > So why not do:
    >
    > lock(B);
    > if (!trylock(A)) {
    > unlock(B);
    > lock(A);
    > lock(B);
    > }
    >
    > ?
    >
    > Or, if this can be done, why didn't we do:
    >
    > lock(A);
    > lock(B);
    >
    > to begin with?
    >
    > i.e. I'm not sure the problem is properly specified.

    Yeah, this is actually the solution I came up with before. I misread
    what Thomas wrote. His is slightly different.

    -- Steve


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