HEADS UP: caution required with updates using custom kernels

[O. Hartmann]

Am Sat, 25 Jun 2016 10:02:38 +0300
Konstantin Belousov <kostikbel at gmail.com> schrieb:

> On Fri, Jun 24, 2016 at 10:50:34PM +0000, Brooks Davis wrote:
> > pipe(2) had an unnecessarily odd calling convention (ignoring the
> > argument the user thought they were passing and returning the two file
> > descriptors via the two return registers).  This required machine
> > dependent assembly for every target and special handling in tracing
> > tools (ktrace, dtrace, etc).  On 64-bit platforms, pipe(2)'s
> > implementation is the only reason the two-register return model needs to
> > exist at all (on 32-bit platforms it allows off_t to be returned from
> > lseek).  
> getpid() is another instance.
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That all is a nice explanation, but how to recover from a broken system, on which the
order of installation wasn't performed the right way?
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