Messages in this thread | | | Subject | Re: [rfc] "fair" rw spinlocks | From | Andi Kleen <> | Date | Wed, 25 Nov 2009 09:49:23 +0100 |
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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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