Date: Wed, 28 Nov 2007 11:04:35 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Attilio Rao <attilio@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/conf GENERIC src/sys/conf NOTES options src/sys/i386/conf GENERIC XBOX src/sys/kern kern_mutex.c src/sys/sparc64/conf GENERIC src/sys/sun4v/conf GENERIC Message-ID: <474D3D33.5050100@FreeBSD.org> In-Reply-To: <200711280550.lAS5ojT0050315@repoman.freebsd.org> References: <200711280550.lAS5ojT0050315@repoman.freebsd.org>
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Attilio Rao wrote: > attilio 2007-11-28 05:50:45 UTC > > FreeBSD src repository > > Modified files: > sys/amd64/conf GENERIC > sys/conf NOTES options > sys/i386/conf GENERIC XBOX > sys/kern kern_mutex.c > sys/sparc64/conf GENERIC > sys/sun4v/conf GENERIC > Log: > Make ADAPTIVE_GIANT as the default in the kernel and remove the option. > Currently, Giant is not too much contented so that it is ok to treact it > like any other mutexes. > > Please don't forget to update your own custom config kernel files. > > Approved by: cognet, marcel (maintainers of arches where option is > not enabled at the moment) Also even when it is contended, the ADAPTIVE_GIANT behaviour has always been a big win in my testing. Kris
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