Re: [PATCH v2 1/6] x86/bugs: Add asm helpers for executing VERW

From: Peter Zijlstra
Date: Tue Oct 24 2023 - 18:31:16 EST


On Tue, Oct 24, 2023 at 11:27:36AM -0700, H. Peter Anvin wrote:

> the only overhead to modules other than load time (including the
> runtime linking) is that modules can't realistically be mapped using
> large page entries.

Song is working on that. Currently the module allocator is split between
all (5 IIRC) different page permissions required, next step is using
large page pools for those.