Linus Torvalds writes: (Summary) wrote:
Oh, I think it's fine for the kaiser case.
Oh, I think it's fine for the kaiser case.
I am not convinced anybody will actually use it, but if you do use it, I suspect "the legacy vsyscall page no longer works" is the least of your worries.
your worries.
That said, I think you can keep emulation, and just make it unreadable. So we have four cases: - native
- read-only emulation
- unreadable emulation
- none
- none
and kaiser triggering that unreadable case sounds like the option least likely to cause trouble.
[...]
We'd have to force NONE, and Linus won't like it.Oh, I think it's fine for the kaiser case.
Oh, I think it's fine for the kaiser case.
I am not convinced anybody will actually use it, but if you do use it, I suspect "the legacy vsyscall page no longer works" is the least of your worries.
your worries.
That said, I think you can keep emulation, and just make it unreadable. So we have four cases: - native
- read-only emulation
- unreadable emulation
- none
- none
and kaiser triggering that unreadable case sounds like the option least likely to cause trouble.