[Patch] Enforce end pressure not to be above starting pressure
dirk at hohndel.org
Sat Aug 2 16:13:42 PDT 2014
On Sat, Aug 02, 2014 at 04:06:12PM -0700, Linus Torvalds wrote:
> 2014-08-02 14:24 GMT-07:00 Robert C. Helling <helling at atdotde.de>:
> > Fixes #644.
> I don't think this is necessarily a good idea.
> You might want to change cylinder pressures (say, you noticed that you
> filled them in wrong), and why wouldn't you fix the starting pressure
> first - even if the corrected starting pressure might be lower than
> the (still unconrrected) ending pressure?
> So I think it's wrong to not allow people to make whatever pressure
> changes they want.
> If we then have problems with odd pressures - and they *do* actually
> happen - we should fix them where the problems occur, not say "odd
> things cannot happen".
> For example, cylinder pressures *do* go up occasionally. I've seen
> them go up not just because the cylinder warms up, but because of
> crazy sensor data. The latter may not be a "real" pressure, but it is
> an example of an odd cylinder pressure progression that is not fixed
> by trying to not accept odd user input. So I think the whole notion of
> "don't accept user input we don't like" is wrong.
I usually think the same, but we have several people filing bugs that
complain that you can enter silly pressure values (start at 230bar, end at
There's no way we'll make everyone happy.
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