Re: [PATCHv6 00/16] x86: Enable Linear Address Space Separation support

Dave Hansen
2025-06-20T15:38:35Z

On 6/20/25 06:53, Kirill A. Shutemov wrote:
> Linear Address Space Separation (LASS) is a security feature that intends to
> prevent malicious virtual address space accesses across user/kernel mode.

Most of the cover letter here reads like an Intel whitepaper. That's not
the worst thing in the world, but I think it glosses over one very
important point:

Had it been available, LASS alone would have mitigated Meltdown.

Could we say this up front in a prominent place, please?