On Thu, 2009-06-18 at 19:40 +0800, Herbert Xu wrote: > On Mon, Jun 15, 2009 at 05:04:57PM +0800, Huang Ying wrote: > > Because AES-NI instructions will touch XMM state, corresponding code > > must be enclosed within kernel_fpu_begin/end, which used > > preempt_disable/enable. So sleep should be prevented between > > kernel_fpu_begin/end. > > > > Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx> > > I'll apply this for now. But it would be much better to allow > sleeping in this case. > > Couldn't we simply move the kernel_fpu_begin/end inside the loop? > It shouldn't be too expensive when it runs the 2nd time since it > doesn't have to save anything, right? I will test the performance difference. Best Regards, Huang Ying -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
