On Mon, 2022-08-08 at 18:28 +0530, Aneesh Kumar K V wrote:
> On 8/8/22 5:28 PM, Russell Currey wrote:
> > The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
> > through the execute-only pkey. A PROT_ONLY mapping will actually
> > map to
> > RX, and then the pkey will be applied on
On 8/8/22 5:28 PM, Russell Currey wrote:
> The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
> through the execute-only pkey. A PROT_ONLY mapping will actually map to
> RX, and then the pkey will be applied on top of it.
>
> Radix doesn't have pkeys, but it does have execute
The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
through the execute-only pkey. A PROT_ONLY mapping will actually map to
RX, and then the pkey will be applied on top of it.
Radix doesn't have pkeys, but it does have execute permissions built-in
to the MMU, so all we have to do
