Date: Fri, 30 Aug 2002 08:30:18 -0500 (CDT) From: mark tinguely <tinguely@web.cs.ndsu.nodak.edu> To: freebsd-questions@FreeBSD.ORG, pavan.balaji@intel.com Subject: RE: Virtual Address to Physical Address translation Message-ID: <200208301330.g7UDUIS36125@web.cs.ndsu.nodak.edu> In-Reply-To: <3D386AED1B47D411A94300508B11F18704AD69CC@fmsmsx116.fm.intel.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> I have one more question. Now, that I have the physical address (which is > locked, pinned, protected from swapping out), I need to write data to this. > I can't use normal copy functions, can I? Cause they expect the address to > be the virtual address. in the kernel you use the kernel virtual address to assign/read data. hardware devices require the physical address. --mark tinguely. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200208301330.g7UDUIS36125>