On 06/05/2014 09:37 AM, Borislav Petkov wrote: > On Thu, Jun 05, 2014 at 09:31:12AM -0700, H. Peter Anvin wrote: >> The bottom line is that we can't call EFI from a context where we can't >> use the FPU. Or specifically, we can't then resume execution. > > Can't we allocate a save-state area, stash the state there and let EFI > scribble over it? When EFI returns, we scribble over it back assuming it > has done the saving/restoring on its own. I'm sorry I don't follow. -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html