Date: Fri, 20 Apr 2007 15:11:05 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Kevin Oberman <oberman@es.net> Cc: freebsd-stable@freebsd.org, Alexey Karagodov <karagodov@gmail.com> Subject: Re: 6.2-RELEASE does not use second CPU? Message-ID: <20070420191105.GA38067@xor.obsecurity.org> In-Reply-To: <20070420190857.9A34445058@ptavv.es.net> References: <c7aff4ef0704201154u52bb054cs6f93067fbaa37a21@mail.gmail.com> <20070420190857.9A34445058@ptavv.es.net>
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On Fri, Apr 20, 2007 at 12:08:57PM -0700, Kevin Oberman wrote: > > Date: Fri, 20 Apr 2007 22:54:52 +0400 > > From: "Alexey Karagodov" <karagodov@gmail.com> > > Sender: owner-freebsd-stable@freebsd.org > > > > and what is this, i mean why: > > WARNING: debug.mpsafenet forced to 0 as ipsec requires Giant > > WARNING: MPSAFE network stack disabled, expect reduced performance. > > I thought it was pretty clear. > > ipsec is not multi-processor safe and requires the use of GIANT. If you > have IPSEC in your kernel the network stack will also be giant locked > which will cut performance. Yep, google for extensive discussion (hint: FAST_IPSEC) Kris > -- > R. Kevin Oberman, Network Engineer > Energy Sciences Network (ESnet) > Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) > E-mail: oberman@es.net Phone: +1 510 486-8634 > Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751
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