Re: [REVIEW][PATCH 00/20] siginfo cleanups for x86

From: Thomas Gleixner
Date: Tue Sep 18 2018 - 16:55:13 EST


On Tue, 18 Sep 2018, Eric W. Biederman wrote:
> I have been slowly going thought and reworking the arch specific
> functions that generate siginfo. The problems I have been addressing
> is that using siginfo directly is error prone. Using siginfo directly
> makes it easy to leave fields initialized, and get confused about
> which fields need to be filled in.
>
> To address this I have added a series of helper functions to
> kernel/signal.c, that are specific to exactly one use of struct siginfo
> and take the parameters they need.
>
> To use these functions the x86 signal handling needs some cleanups but
> the net result appears to be less code that is easier to follow.
>
> If while looking over these patches you see anything please let me know.

Only nitpicks.

> I don't think I missed something but to err is human.

I went through the changes a couple of times, but failed to spot
something. Was pleasure to read that set!

> Likewise if you would like to merge these patches via the tip tree
> let me know. Otherwise after the review is complete I plan on merging
> these into my siginfo tree. At this point I believe all of the
> prerequisite patches are merged so it should not make a difference.

Works either way. Ingo?

Thanks,

tglx