On 9/16/20 11:49 AM, Andy Lutomirski wrote:
I still have serious concerns with uncached mappings. I'm not
I can't be convinced, but I'm not currently convinced that we should
allow user code to create UC mappings on x86.
There's another widely-used OS that has a "NOCACHE" flag to be specified
to on what I *think* is the equivalent of anonymous memory mappings
I'll offer this not as a reason we should or shouldn't allow it. But,
we should at least be able to figure out if it's caused problems for
them or not. I think it's been around a long time.