On 01/29/2015 04:56 PM, Oleg Nesterov wrote: > How about the trivial patch below (on top of this series) ?
Hey, I just typed that, too! :) Reviewed-by: Rik van Riel <r...@redhat.com> > --- x/arch/x86/kernel/traps.c > +++ x/arch/x86/kernel/traps.c > @@ -313,7 +313,7 @@ dotraplinkage void do_bounds(struct pt_r > * It is not directly accessible, though, so we need to > * do an xsave and then pull it out of the xsave buffer. > */ > - fpu_save_init(&tsk->thread.fpu); > + unlazy_fpu(tsk); > xsave_buf = &(tsk->thread.fpu.state->xsave); > bndcsr = get_xsave_addr(xsave_buf, XSTATE_BNDCSR); > if (!bndcsr) > --- x/arch/x86/mm/mpx.c > +++ x/arch/x86/mm/mpx.c > @@ -352,7 +352,7 @@ static __user void *task_get_bounds_dir( > * The bounds directory pointer is stored in a register > * only accessible if we first do an xsave. > */ > - fpu_save_init(&tsk->thread.fpu); > + unlazy_fpu(tsk); > bndcsr = get_xsave_addr(&tsk->thread.fpu.state->xsave, XSTATE_BNDCSR); > if (!bndcsr) > return MPX_INVALID_BOUNDS_DIR; > -- 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/
