netdev - Re: Performance regression on kernels 3.10 and newer

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Message-Id: <20140821.162406.2076033247433267586.davem@davemloft.net>
Date:	Thu, 21 Aug 2014 16:24:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	alexander.h.duyck@...el.com, eric.dumazet@...il.com,
	netdev@...r.kernel.org
Subject: Re: Performance regression on kernels 3.10 and newer

From: Tom Herbert <therbert@...gle.com>
Date: Thu, 14 Aug 2014 16:25:53 -0700

> I don't know if it's the same problem, but I did post a patch back in
> January that would resolve false sharing of dst->__refcnt and rt_genid
> in the same cacheline. We could revisit that if it helps.

I think that regardless of what happens in the discussion here, you
should repost that patch.
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