On 01/29/2015 01:07 PM, Oleg Nesterov wrote: > On 01/23, Rik van Riel wrote: >> > Not only is this broken with my new code, but it looks like it may >> > be broken with the current code, too... > Lets (try to) fix unlazy_fpu/save_init_fpu at least. > > Dave, fpu_save_init() in do_bounds() and task_get_bounds_dir() looks > wrong too, shouldn't it use unlazy_fpu() ? See the changelog in 3/3.
IIRC, the 'cpu_has_xsaveopt' on the CPUs that support will MPX will enable eagerfpu. It's a bit of an indirect way to avoid the WARN_ON() and probably needs a better comment. -- 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/
