Date: Thu, 26 Oct 1995 19:47:43 -0400 (EDT) From: Peter Dufault <dufault@hda.com> To: tinguely@plains.nodak.edu (Mark Tinguely) Cc: hackers@freebsd.org Subject: Re: Physically contig memory in user process Message-ID: <199510262347.TAA07049@hda.com> In-Reply-To: <199510262312.SAA01148@plains.nodak.edu> from "Mark Tinguely" at Oct 26, 95 06:12:26 pm
next in thread | previous in thread | raw e-mail | index | archive | help
> why not allocate the buffers as part of the device's driver and mmap them into > user space instead of allocating them into users space directly? I thought one may not usually care about going through bounce buffers or splitting up the transfer, and that when you did you may as well have a generic way of doing it by mmapping /dev/mem and not having it in the individual drivers. -- Peter Dufault Real Time Machine Control and Simulation HD Associates, Inc. Voice: 508 433 6936 dufault@hda.com Fax: 508 433 5267
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199510262347.TAA07049>