On Wed, May 18, 2005 at 11:47:23AM +0200, Bodo Stroesser wrote: > I also thought about not saving FP-regs on each kernel entry. But if you do > this optimization, you need to save / restore FP-regs on switch_to. Also you > need to get the FP-regs when setting up a signal-handler stackframe. And > they > have to be restored on sys_(rt_)sigreturn from the values found in the > stackframe.
True, but these are much less frequent than kernel entries/exits. > I hope, I didn't miss some other places that would need adaption. Offhand, this sounds right. Jeff ------------------------------------------------------- This SF.Net email is sponsored by Oracle Space Sweepstakes Want to be the first software developer in space? Enter now for the Oracle Space Sweepstakes! http://ads.osdn.com/?ad_id=7412&alloc_id=16344&op=click _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel