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SubjectRe: [PATCH v2] sparc64: Add support for Application Data Integrity (ADI)
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On 03/07/2016 10:24 AM, Khalid Aziz wrote:
>
> Tags can be cleared by user by setting tag to 0. Tags are
> automatically cleared by the hardware when the mapping for a virtual
> address is removed from TSB (which is why swappable pages are a
> problem), so kernel does not have to do it as part of clean up.
>

I don't understand this. The hardware isn't involved when a mapping for
a virtual address is removed from the TSB, so how could it automatically
clear tags?

Rob

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