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

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On Tue, Oct 24, 2023 at 09:45:20AM -0700, Pawan Gupta wrote:

> > > modules being within 4GB of kernel.

FWIW, it's 2G, it's a s32 displacement, the highest most address can
jump 2g down, while the lowest most address can jump 2g up. Leaving a 2G
directly addressable range.

And yeah, we ensure kernel text and modules are inside that 2G range.



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