Date: Fri, 24 Sep 2004 10:30:42 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: Waldemar Kornewald <Waldemar.Kornewald@web.de> Cc: FreeBSD-net <freebsd-net@freebsd.org> Subject: Re: locking & iovecs Message-ID: <20040924173042.GB6672@odin.ac.hmc.edu> In-Reply-To: <4153B897.9040807@web.de> References: <4152A3E9.8080700@web.de> <20040923181605.GC25699@odin.ac.hmc.edu> <415339A1.6090905@web.de> <20040923211703.GA23574@odin.ac.hmc.edu> <4153B897.9040807@web.de>
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--Y7xTucakfITjPcLV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Sep 24, 2004 at 08:03:03AM +0200, Waldemar Kornewald wrote: > Brooks Davis wrote: > >>>You can implement mutexes using semaphores, but semaphores tend to be a > >>>more expensive since they are more expressive them mutexes. > >> > >>Using a benaphore instead would improve speed significantly and as you= =20 > >>only use macros we can easily replace those with our benaphore code, is= =20 > >>that really so simple? Sorry, I cannot believe that. :) > > > >Once GIANT is really gone, it may be nearly that easy. We're a ways > >from that though. >=20 > So, the code is not fully thread-safe yet (we want to drop GIANT)? Then,= =20 > I misunderstood something. Will 5.3 be freed of GIANT? I believe IPv4 is pretty close other then NIC drivers, but IPv6 is largely not done yet. GIANT will definatly not be gone in 5.3. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --Y7xTucakfITjPcLV Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFBVFnBXY6L6fI4GtQRAkYpAJ9tUPXY78XyFmI/t0YgnNLIDPtcgQCg1rrm 5QXNhImBKljewDgIi9iFE/g= =ErUF -----END PGP SIGNATURE----- --Y7xTucakfITjPcLV--
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