On 11.08.21 18:20, Linus Torvalds wrote:
On Wed, Aug 11, 2021 at 4:45 AM David Hildenbrand <david@xxxxxxxxxx> wrote:
I proposed a while ago to get rid of VM_DENYWRITE completely:
https://lkml.kernel.org/r/20210423131640.20080-1-david@xxxxxxxxxx
I haven't looked how much it still applies to current upstream, but
maybe that might help cleaning up that code.
I like it.
I agree that we could - and probably should - just do it this way.
We don't expose MAP_DENYWRITE to user space any more - and the old
legacy library loading code certainly isn't worth it - and so
effectively the only way to set it is with execve().
And yes, it gets rid of all the silly games with the per-mapping flags.
I'll rebase, retest and resend, putting you on cc. Then we can discuss
if/how/when we might want to go that path.
--
Thanks,
David / dhildenb
