On Tue, Nov 17, 2020 at 05:35:24PM +0000, Catalin Marinas wrote:

On Thu, Oct 22, 2020 at 01:23:53PM -0700, Sami Tolvanen wrote:

quoted

As discussed a few months ago [1][2], virtually mapped shadow call stacks
are better for safety and robustness. This series dusts off the VMAP
option from the original SCS patch series and switches the kernel to use
virtually mapped shadow stacks unconditionally when SCS is enabled.

 [1] https://lore.kernel.org/lkml/20200515172355.GD23334@willie-the-truck/ (local)
 [2] https://lore.kernel.org/lkml/20200427220942.GB80713@google.com/ (local)


Sami Tolvanen (2):
  scs: switch to vmapped shadow stacks
  arm64: scs: use vmapped IRQ and SDEI shadow stacks

Will, Mark. Any objections to this series? If not, I can queue it for
5.11 via the arm64 tree.

It's on my list to review, but I have a tonne of other things I have to get
to first.

Will

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