Re: [RFC PATCH v8 03/14] mm, x86: Add support for eXclusive Page Frame Ownership (XPFO)

From: Khalid Aziz
Date: Thu Feb 14 2019 - 12:20:58 EST

On 2/14/19 9:15 AM, Borislav Petkov wrote:
> On Thu, Feb 14, 2019 at 11:56:31AM +0100, Peter Zijlstra wrote:
>>> +EXPORT_SYMBOL(xpfo_kunmap);
>> And these here things are most definitely not IRQ-safe.
> Should also be EXPORT_SYMBOL_GPL.

Agreed. On the other hand, is there even a need to export this? It
should only be called from kunmap() or kunmap_atomic() and not from any
module directly. Same for xpfo_kmap.


Attachment: pEpkey.asc
Description: application/pgp-keys