[Buildroot] [PATCH] jack2: Try better fix for NGREG problem
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Sat Dec 17 16:22:37 UTC 2016
Hello,
On Mon, 21 Nov 2016 17:49:55 +0300, Alexey Brodkin wrote:
> After quite some time trying this and that we seem to have no
> better solution than proposed by Thomas back in the day [1].
>
> The solution in question is to check [during jack2 configuration]
> if NGREG is exposed via ucontext.h and then use its value in
> source code later on. This replaces long and still growing list
> of architectures for which we explicitly escape usage of NGREG.
>
> Just for reference [2] is my attempt to fix in in the other
> supposedly better way but with no luck because of the mess in
> kernel's UAPI headers.
>
> [1] http://lists.busybox.net/pipermail/buildroot/2016-May/161785.html
> [2] http://lists.busybox.net/pipermail/buildroot/2016-June/162461.html
>
> Still not sure if that works for every other architectures, so testing
> and Acks from all interested parties are much appreciated.
I have submitted an improved version of this:
https://patchwork.ozlabs.org/patch/706714/
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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