Date: Fri, 27 Oct 2006 17:50:16 -0700 From: Paul Saab <ps@freebsd.org> To: Mike Jakubik <mikej@rogers.com> Cc: hardware@freebsd.org Subject: Re: GIANT-FREE ciss Message-ID: <4542A948.5080809@freebsd.org> In-Reply-To: <45429B67.4020500@rogers.com> References: <45429B67.4020500@rogers.com>
next in thread | previous in thread | raw e-mail | index | archive | help
I did experiments and found that ciss did not gain any thing by making it MPSAFE. This may have changed with newer cards, but with all the older cards, there was no gain. Mike Jakubik wrote: > Are there any plans/work to make a giant-less ciss driver? Its a > fairly popular driver that is used on some high end systems, and many > systems now are running in SMP mode. Its a shame that they have to > endure the performance penalty of the GIANT lock. > > _______________________________________________ > freebsd-hardware@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > To unsubscribe, send any mail to > "freebsd-hardware-unsubscribe@freebsd.org" >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4542A948.5080809>