On Wed, 2023-03-08 at 16:27 +0100, Michal Suchánek wrote:
> Hello,
>
> On Wed, Aug 31, 2022 at 11:13:59PM +1000, Michael Ellerman wrote:
> > On Wed, 17 Aug 2022 15:06:39 +1000, Russell Currey wrote:
> > > Add support for execute-only memory (XOM) for the Radix MMU by
> > > using an
> > > execute-o
Hello,
On Wed, Aug 31, 2022 at 11:13:59PM +1000, Michael Ellerman wrote:
> On Wed, 17 Aug 2022 15:06:39 +1000, Russell Currey wrote:
> > Add support for execute-only memory (XOM) for the Radix MMU by using an
> > execute-only mapping, as opposed to the RX mapping used by powerpc's
> > other MMUs.
On Wed, 17 Aug 2022 15:06:39 +1000, Russell Currey wrote:
> Add support for execute-only memory (XOM) for the Radix MMU by using an
> execute-only mapping, as opposed to the RX mapping used by powerpc's
> other MMUs.
>
> The Hash MMU already supports XOM through the execute-only pkey,
> which is a
Add support for execute-only memory (XOM) for the Radix MMU by using an
execute-only mapping, as opposed to the RX mapping used by powerpc's
other MMUs.
The Hash MMU already supports XOM through the execute-only pkey,
which is a separate mechanism shared with x86. A PROT_EXEC-only mapping
will ma
