Re: [patch 1/2] Validate itimer timeval from userspace

[Pavel Machek <pavel@ucw.cz>]

Hi!

> >  > I don't like potential userspace breakage any more than the next guy,
> >  > but if the breakage only affects buggy applications then I think it's
> >  > more acceptable.
> > 
> >  Yes, it only breaks buggy applications.
> 
> But we live in the real world.  There could be four-year-old applications
> which passed all their Linux QA and which work perfectly well.
> 
> Then the kernel guys make some correctness change and that application
> totally fails on new kernels.  Your choice is a) don't use new kernels or
> b) hold off the new kernel until your provider (if the company or internal
> group still exists) has put out a new version of the application and then
> you wear the (considerable) cost of upgrading what was a perfectly-running
> application.
> 
> And whose fault was it?  Ours.  Because older kernels had the wrong
> checking (thus causing that app's QA to pass) and because later kernels
> changed the rules.

Can we do printk now and fix it after a while in feature-removal?
Or maybe we shoul create new bug-removal file :-).
						Pavel

-- 
Thanks, Sharp!