Messages in this thread | | | Date | 19 Jan 2014 16:02:28 -0500 | From | "George Spelvin" <> | Subject | Re: math_state_restore and kernel_fpu_end disable interrupts? |
| |
> It's credited to Suresh Siddha, whom I've cc'ed (along with others who > signed off). Suresh, if you're still around, could you comment on why > math_state_restore always leaves interrupts disabled, regardless of their > state on entry? Is there a deep reason or is it a bug?
What the comments seemed to be implying was that it was a bug to enter this code with interrupts enabled. So the problem may be a little bit more systemic; expert counsel is required.
> George, does it help your problem?
I'm trying it now. But it takes a while for me to reproduce, and even longer to be sure the problem has gone away. So anything you hear from me within a week will be bad news.
| |