[PATCH v14 00/11] Support page table check on PowerPC
Andrew Donnellan
ajd at linux.ibm.com
Sun May 11 22:04:55 PDT 2025
On Fri, 2025-04-11 at 15:43 +1000, Andrew Donnellan wrote:
> Support page table check on all PowerPC platforms. This works by
> serialising assignments, reassignments and clears of page table
> entries at each level in order to ensure that anonymous mappings
> have at most one writable consumer, and likewise that file-backed
> mappings are not simultaneously also anonymous mappings.
>
> In order to support this infrastructure, a number of stubs must be
> defined for all powerpc platforms. Additionally, separate
> set_pte_at()
> and set_pte_at_unchecked(), to allow for internal, uninstrumented
> mappings.
>
> (This series was written by Rohan McLure, who has left IBM and is no
> longer
> working on powerpc.)
Anything more we need to get this merged?
Thanks,
--
Andrew Donnellan OzLabs, ADL Canberra
ajd at linux.ibm.com IBM Australia Limited
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