On Fri, 2018-06-29 at 16:29 +1000, David Gibson wrote:
> On Fri, Jun 29, 2018 at 04:20:24PM +1000, Suraj Jitindar Singh wrote:
> > The kernel patch
> > "powerpc/64s: Add support for a store forwarding barrier at kernel
> > entry/exit"
> > adds an eieio barrier instruction to kernel entry and exit p
On Fri, Jun 29, 2018 at 04:20:24PM +1000, Suraj Jitindar Singh wrote:
> The kernel patch
> "powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit"
> adds an eieio barrier instruction to kernel entry and exit points on
> the POWER9 platform. The eieio instruction form used has
The kernel patch
"powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit"
adds an eieio barrier instruction to kernel entry and exit points on
the POWER9 platform. The eieio instruction form used has bit 6 set.
This bit is ignored by hardware however under tcg it causes an ill
