On Tue, 2022-08-09 at 05:51 +, Christophe Leroy wrote:
> Le 09/08/2022 à 04:44, Russell Currey a écrit :
> > The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
> > through the execute-only pkey. A PROT_EXEC-only mapping will
> > actually
> > map to RX, and then the pkey will be
On 8/9/22 11:21 AM, Christophe Leroy wrote:
> Le 09/08/2022 à 04:44, Russell Currey a écrit :
>> The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
>> through the execute-only pkey. A PROT_EXEC-only mapping will actually
>> map to RX, and then the pkey will be applied on top of it.
Le 09/08/2022 à 04:44, Russell Currey a écrit :
> The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
> through the execute-only pkey. A PROT_EXEC-only mapping will actually
> map to RX, and then the pkey will be applied on top of it.
I don't think XOM is a commonly understood
The Hash MMU already supports XOM (i.e. mmap with PROT_EXEC only)
through the execute-only pkey. A PROT_EXEC-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
