Re: [PATCH 4/6] s390: add system call to run tasks with modified branch prediction

Florian Weimer
2018-01-17T10:03:03Z

On 01/17/2018 10:48 AM, Martin Schwidefsky wrote:
> rc = syscall(__NR_s390_modify_bp);
> if (rc) {
> perror("s390_modify_bp");
> exit(EXIT_FAILURE);
> }

Isn't this traditionally done through personality or prctl?

This looks like something other architectures may want as well.

Thanks,
Florian