netdev - Re: [RFC] Handle error writing UINT

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Date:	Sun, 12 Jun 2016 20:30:46 -0600
From:	subashab@...eaurora.org
To:	Heinrich Schuchardt <xypron.glpk@....de>
Cc:	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [RFC] Handle error writing UINT_MAX to u32 fields

> The suggested change would extend the usable range of positive numbers
> by one bit only. As many systems are 64 bit this does not seem forward
> looking.
> 
> I would prefer to have a routine that can handle 64 bit integers with
> limits (let's call it proc_doint64vec_minmax) which uses fields extra1
> and extra2 of ctl_table as min and max.
> 
> Then set xfrm_table[].extra1 = 0 and xfrm_table[].extra2 = UINT_MAX if
> you need a result in the u32 range.
> 

Thanks Heinrich. Do you think we can use proc_doulongvec_minmax for 
this?