Linux powerpc new system call instruction and ABI

Dmitry V. Levin ldv at
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.


More information about the Linuxppc-dev mailing list