Re: [PATCH 0/2] scs: switch to vmapped shadow stacks

2020-11-18 Thread Will Deacon
On Tue, Nov 17, 2020 at 05:35:24PM +, Catalin Marinas wrote: > On Thu, Oct 22, 2020 at 01:23:53PM -0700, Sami Tolvanen wrote: > > 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

Re: [PATCH 0/2] scs: switch to vmapped shadow stacks

2020-11-17 Thread Catalin Marinas
On Thu, Oct 22, 2020 at 01:23:53PM -0700, Sami Tolvanen wrote: > 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

[PATCH 0/2] scs: switch to vmapped shadow stacks

2020-10-22 Thread Sami Tolvanen
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]