On 9/16/20 11:49 AM, Andy Lutomirski wrote: > I still have serious concerns with uncached mappings. I'm not saying > 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 (VirtualAlloc()): > https://docs.microsoft.com/en-us/windows/win32/memory/memory-protection-constants 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.
