Re: [PATCH v11 25/25] x86/cet/shstk: Add arch_prctl functions for shadow stack

Yu, Yu-cheng
2020-08-25T23:34:34Z

On 8/25/2020 4:20 PM, Dave Hansen wrote:
> On 8/25/20 2:04 PM, Yu, Yu-cheng wrote:
>>>> I think this is more arch-specific.  Even if it becomes a new syscall,
>>>> we still need to pass the same parameters.
>>>
>>> Right, but without the copying in and out of memory.
>>>
>> Linux-api is already on the Cc list.  Do we need to add more people to
>> get some agreements for the syscall?
> What kind of agreement are you looking for? I'd suggest just coding it
> up and posting the patches. Adding syscalls really is really pretty
> straightforward and isn't much code at all.
>

Sure, I will do that.

Thanks,
Yu-cheng