On Thu, Aug 29, 2019 at 09:18:35AM +0100, Alexandru Elisei wrote: > On 8/28/19 3:09 PM, Mark Rutland wrote: > > On Wed, Aug 28, 2019 at 02:38:19PM +0100, Alexandru Elisei wrote: > >> + /* > >> + * AArch64 treats all regions writable at EL0 as PXN. > > I didn't think that was the case, and I can't find wording to that > > effect in the ARM ARM (looking at ARM DDI 0487E.a). Where is that > > stated? > > It's in ARM DDI 0487E.a, table D5-33, footnote c: "Not executable, because > AArch64 execution treats all regions writable at EL0 as being PXN". I'll update > the comment to include the quote. Interesting; I was not aware of that particular behaviour. Thanks for the pointer! Mark. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
