23 Nov
2022
23 Nov
'22
4:26 p.m.
On Wed, Nov 23, 2022 at 04:15:05PM +0100, Christian König wrote:
I have not the slightest idea how people got this impression, but I have heard it so many time from so many different sources that there must be some common cause to this. Is the maybe some book or tutorial how to sophisticate break the kernel or something like this?
Anyway as far as I can see only correct approach would be to use an MMU notifier or more high level hmm_range_fault()+seq number.
It already uses a mmu notifier, this is why I have no idea what the page ref is doing..
Jason