Subject: Re: [linux-pm] [RFC] userland swsusp
Newsgroups: gmane.linux.kernel, gmane.linux.power-management.general
Date: 2005-11-15 22:25:49 GMT (3 years, 33 weeks, 1 hour and 35 minutes ago)
On Tue, Nov 15, 2005 at 10:29:42PM +0100, Pavel Machek wrote: > Hi! > > This is prototype of userland swsusp. I'd like kernel parts to go in, > probably for 2.6.16. Now, I'm not sure about the interface, ioctls are > slightly ugly, OTOH it would be probably overkill to introduce > syscalls just for this. (I'll need to add an ioctl for freeing memory > in future). Just for info: If this goes in, Red Hat/Fedora kernels will fork swsusp development, as this method just will not work there. (We have a restricted /dev/mem that prevents writes to arbitary memory regions, as part of a patchset to prevent rootkits) Even it were not for this, the whole idea seems misconcieved to me anyway. Dave