Re: [PATCH] x86/shstk: Enable shadow stack for x32

[Edgecombe, Rick P]

On Fri, 2024-03-15 at 07:04 -0700, H.J. Lu wrote:
> 1. Add shadow stack support to x32 signal.
> 2. Use the 64-bit map_shadow_stack syscall for x32.
> 3. Set up shadow stack for x32.
> 
> Tested with shadow stack enabled x32 glibc on Intel Tiger Lake.
> 
> Cc: Rick P Edgecombe <rick.p.edgecombe@xxxxxxxxx>
> Tested-by: H.J. Lu <hjl.tools@xxxxxxxxx>
> Signed-off-by: H.J. Lu <hjl.tools@xxxxxxxxx>

How many people do you think will use this?

I would have thought it would require more changes for basic x32
operation. What was the testing exactly?