Messages in this thread | | | Date | Tue, 24 Oct 2023 10:30:15 -0700 | From | Pawan Gupta <> | Subject | Re: [PATCH v2 1/6] x86/bugs: Add asm helpers for executing VERW |
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On Tue, Oct 24, 2023 at 07:02:48PM +0200, Peter Zijlstra wrote: > 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.
Ah, okay. Thanks for the info.
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