On Mon, Mar 09, 2015 at 05:24:04PM +0100, Oleg Nesterov wrote: > Well, this is the same thinhg reported by Dave ;)
Am I the only one in thinking that this FPU thing went completely nuts?! Just kill it all and let's start from scratch. :-P > It is not fixed by Quentin's patch. > > This patch "fixes" the problem in a sense that the kernel won't crash > after restore_fpu_checking() triggers #GP. Before this patch > do_general_protection()->fixup_exception() does not work in this case > and the kernel panics. > > But restore_fpu_checking() should not trigger #GP (and fail). Right. ... > But this too doesn't fix the problem: fpu_finit() is buggy on Dave's > machine. In talking about fpu_finit() - I still have two cleanup patches queued from you: http://git.kernel.org/cgit/linux/kernel/git/bp/bp.git/log/?h=tip-x86-fpu-2 Thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/