Re: [PATCH] i2c: piix4: Avoid race conditions with IMC
From: Wolfram Sang
Date: Thu Jan 12 2017 - 05:00:52 EST
> > > + unsigned short piix4_smba = adapdata->smba;
> > > u8 smba_en_lo;
> > > u8 port;
> > > int retval;
> > > + int timeout = 0;
> > > + int smbslvcnt;
> >
> > Keep them just after your another added variable.
>
> FWIW, I don't think this makes sense as a general rule. I'd rather have
> the variables in an order which makes sense (for human readers or for
> stack size optimization - unless gcc does it for us?), rather than
> always adding at the same place. Is there a rationale for doing that? I
> don't think shrinking the patch size is good enough a reason.
Not really. Some say "Reorder to save bytes", some say "reorder to
utilize cache lines most". Unless I get some numbers showing the desired
effect, I go for "most readable" approach which is subjective, of
course. I'd be totally fine with the above.
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