Re: [PATCH RFC 01/26] netfilter: Replace spin_unlock_wait() with lock/unlock pair
From: Manfred Spraul
Date: Thu Jul 06 2017 - 14:43:40 EST
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On 07/03/2017 09:57 PM, Alan Stern wrote:
(Alternatively, you could make nf_conntrack_all_unlock() do a
lock+unlock on all the locks in the array, just like
nf_conntrack_all_lock(). But of course, that would be a lot less
Someone with a weakly ordered system who can test this?
semop() has a very short hotpath.
Either with aim9.shared_memory.ops_per_sec or
#sem-scalebench -t 10 -m 0