Date: Sat, 14 Jan 2006 11:36:03 -0800 From: Suleiman Souhlal <ssouhlal@FreeBSD.org> To: Scott Long <scottl@samsco.org> Cc: Divacky Roman <xdivac02@stud.fit.vutbr.cz>, current@freebsd.org Subject: Re: sysenter patch question Message-ID: <43C952A3.5020009@FreeBSD.org> In-Reply-To: <43C91972.7020901@samsco.org> References: <20060114095318.GA39508@stud.fit.vutbr.cz> <43C91972.7020901@samsco.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Scott Long wrote: > I was the last to work on the patch, and that was about a year or so > ago. It worked fine under fairly simple processes, but trying to run > things like KDE and Mozilla made it blow up fairly quickly. I suspect > that it has something to do with thread upcalls, but I never got around > to figuring it out. If someone wants to pick it up, that would be > great. Note that this only matters for i386; amd64 has always had its > own version of sysenter that it uses. As far as I know, amd64 uses the SYSCALL instruction, which I believe, should have about the same performance as SYSENTER. --Suleiman
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?43C952A3.5020009>