Re: [PATCH v14 00/11] Support page table check on PowerPC

[Ingo Molnar]

* Andrew Donnellan <ajd@xxxxxxxxxxxxx> 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.

>  arch/x86/include/asm/pgtable.h               | 22 +++----

For all the x86 <asm/pgtable.h> function parameter extensions changes:

  Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>

Thanks,

	Ingo