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Re: [Xen-devel] [PATCH v6 6/8] xen/arm: introduce GNTTABOP_cache_flush



On Thu, 16 Oct 2014, Jan Beulich wrote:
> >>> On 16.10.14 at 16:45, <stefano.stabellini@xxxxxxxxxxxxx> wrote:
> > @@ -2953,6 +3086,10 @@ static int __init gnttab_usage_init(void)
> >      if ( !max_maptrack_frames )
> >          max_maptrack_frames = MAX_MAPTRACK_TO_GRANTS_RATIO * 
> > max_grant_frames;
> >  
> > +    if ( max_grant_frames > DEFAULT_MAX_NR_GRANT_FRAMES )
> > +        printk(XENLOG_WARNING "An high gnttab_max_frames can seriously 
> > slow down the hypervisor.\n"
> > +                "It is recommended to set gnttab_max_frames to %d max.\n", 
> > DEFAULT_MAX_NR_GRANT_FRAMES);
> 
> It is certainly odd for the default being the maximum, but okay - if
> others consider this fine, I'm not going to object.

I think it is OK for a variable that defines the maximum.


> Also, again - long lines.

I thought that long lines were acceptable for messages and warnings?


> And the message should start with "A high"
> I think, while the second line of the message needs another
> XENLOG_WARNING prefixed.
> 
> Jan
> 

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