Date: Fri, 21 Oct 2005 10:20:52 -0400 (EDT) From: Daniel Eischen <deischen@freebsd.org> To: Konstantinos Boukis <konstantinos.boukis@kcl.ac.uk> Cc: freebsd-threads@freebsd.org Subject: Re: kernel upcall documentation Message-ID: <Pine.GSO.4.43.0510211019170.1428-100000@sea.ntplx.net> In-Reply-To: <1129901893.4358ef45d0632@impmail.kcl.ac.uk>
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On Fri, 21 Oct 2005, Konstantinos Boukis wrote: > Hello, > I am not quite sure whether this is the correct list, my problem is that I want > to send an upcall from the kernel to userland to load a module (kernel threads > cannot call linker_load_module since they do not have a valid fd_cdir). Is > there any document describing how to make an upcall from the kernel to > userland? This is not how you want to do it. Do it the old fashioned way, with a read() or ioctl() from userland that blocks until the kernel is ready to have the module loaded. -- DE
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