Subject: Re: randconfig build error with next-20150529, in crypto/jitterentropy.c

From: Peter Zijlstra <[email-masked]>
Date: Mon, 08 Jun 2015 14:36:30 +0200

Adding Stephan to Cc.

On Mon, 2015-06-08 at 20:25 +0800, Herbert Xu wrote:
> On Mon, Jun 08, 2015 at 03:21:09PM +0300, Andy Shevchenko wrote:
> > On Fri, May 29, 2015 at 10:14 PM, Jim Davis <[email-masked]> wrote:
> > > Building with the attached random configuration file,
> > 
> > Hit the very same error against next-20150605.
> > 
> > The issue with that file we have no compiler optimization enabled. So,
> > guys, how you would recommend to fix it?
> 
> Stephan, can we get rid of the no optimisation requirement?

Would something like

#pragma GCC push_options
#pragma GCC optimize ("-O0")
static __u64 jent_fold_time(struct rand_data *ec, __u64 time,
			    __u64 *folded, __u64 loop_cnt)
{
	...
}
#pragma GCC pop_options

Be an option to allow the file to be compiled with regular optimizations
enabled?