Date: Thu, 02 Jan 2014 03:13:28 +0400 From: "Andrey V. Elsukov" <ae@FreeBSD.org> To: Adrian Chadd <adrian@FreeBSD.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r260151 - head/sys/netinet6 Message-ID: <52C4A118.9020000@FreeBSD.org> In-Reply-To: <201401010056.s010uR70070405@svn.freebsd.org> References: <201401010056.s010uR70070405@svn.freebsd.org>
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On 01.01.2014 04:56, Adrian Chadd wrote: > Author: adrian > Date: Wed Jan 1 00:56:26 2014 > New Revision: 260151 > URL: http://svnweb.freebsd.org/changeset/base/260151 > > Log: > Use an RLOCK here instead of an RWLOCK - matching all the other calls > to lla_lookup(). > > This drastically reduces the very high lock contention when doing parallel > TCP throughput tests (> 1024 sockets) with IPv6. This is very hackish and not correct. -- WBR, Andrey V. Elsukov
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