On Mon, Nov 16, 2020 at 03:47:36PM +0100, Alexandre Chartre wrote:
> This RFC proposes to defer the PTI CR3 switch until we reach C code.
> The benefit is that this simplifies the assembly entry code, and make
> the PTI CR3 switch code easier to understand. This also paves the way
> for further possible projects such an easier integration of Address
> Space Isolation (ASI), or the possibilily to execute some selected
> syscall or interrupt handlers without switching to the kernel page-table
What for? What is this going to be used for in the end?
> (and thus avoid the PTI page-table switch overhead).
Overhead of how much? Why do we care?
What is the big picture justfication for this diffstat
> 21 files changed, 874 insertions(+), 314 deletions(-)
and the diffstat for the ASI enablement?
Thx.
--
Regards/Gruss,
Boris.
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