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    SubjectRe: [rfc] "fair" rw spinlocks
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    David Miller <davem@davemloft.net> writes:
    >
    > I think nobody would notice if you changed tasklist_lock into
    > a spinlock_t, and this would solve the DoS because at least on
    > x86 you'd end up with the ticket spinlocks.

    iirc tasklist_lock was one of them who could be potentially nested.

    So just turning it into a spinlock might deadlock.

    -Andi

    --
    ak@linux.intel.com -- Speaking for myself only.


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