Linux powerpc new system call instruction and ABI
Dmitry V. Levin
ldv at altlinux.org
Thu May 20 11:06:12 AEST 2021
On Wed, May 19, 2021 at 07:48:47PM -0400, Rich Felker wrote:
> On Wed, May 19, 2021 at 06:09:25PM +0000, Joakim Tjernlund wrote:
[...]
> > W.r.t breaking ABI, isn't that what PowerPC is trying to do with the new syscall I/F?
>
> No, it's a new independent interface.
Unfortunately, being a new independent interface doesn't mean it isn't
an ABI break. In fact, it was a severe ABI break, and this thread is
an attempt to find a hotfix.
--
ldv
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