Re: [RFC] relinquish_fs() syscall
From: Arjan van de Ven
Date: Tue Nov 30 2004 - 08:46:11 EST
On Tue, 2004-11-30 at 05:27 -0800, Mitchell Blank Jr wrote:
> Alan Cox wrote:
> > With CAP_SYS_RAWIO I can ask the IDE controller to DMA into the kernel
> > as one example.
> Can you really do that on normal file descriptors? Weird. I'd have thought
> you'd need to open /dev/hd* to do that.
inb/outb after iopl.
> Is AF_UNIX in a separate namespace? My understanding (from reading
> unix_find_other()) is that unless you can create a UNIX socket in your
> filesystem you're going to have trouble creating new UNIX sockets.
iirc there are anonymous unix sockets...
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