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SubjectRe: [PATCHv5 03/19] mm/ksm: Do not merge pages with different KeyIDs
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On 07/17/2018 04:20 AM, Kirill A. Shutemov wrote:
> Pages encrypted with different encryption keys are not allowed to be
> merged by KSM. Otherwise it would cross security boundary.

Let's say I'm using plain AES (not AES-XTS). I use the same key in two
keyid slots. I map a page with the first keyid and another with the
other keyid.

Won't they have the same cipertext? Why shouldn't we KSM them?

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