svn commit: r243850 - stable/9/sys/kern

Konstantin Belousov kostikbel at gmail.com
Tue Dec 4 01:47:01 UTC 2012


On Mon, Dec 03, 2012 at 07:58:09PM -0500, Eitan Adler wrote:
> On 3 December 2012 19:54, Konstantin Belousov <kib at freebsd.org> wrote:
> > Author: kib
> > Date: Tue Dec  4 00:54:49 2012
> > New Revision: 243850
> > URL: http://svnweb.freebsd.org/changeset/base/243850
> >
> > Log:
> >   MFC r243341:
> >   Add a special meaning to the negative ticks argument for
> >   taskqueue_enqueue_timeout().  Do not rearm the callout if it is
> >   already armed and the ticks is negative.  Otherwise rearm it to fire
> >   in abs(ticks) ticks in the future.
> 
> Why was this not MFCed together with r243845 ?

Because r243845 was only committed today, and I do not see a need to
postpone the merge of the fix for the (rare) bug.

Less formal, I do not see much use in the single commit spanning both
sys and non-sys. We almost never should have such interlock, otherwise
ABI issues would cause troubles for people updating the system.
And spanning commits are somewhat more cumbersome to both merge,
revert and for non-developer to pick.
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