Messages in this thread | | | Subject | Re: [PATCH 4/6] s390: add system call to run tasks with modified branch prediction | From | Christian Borntraeger <> | Date | Wed, 17 Jan 2018 12:14:52 +0100 |
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On 01/17/2018 11:03 AM, Florian Weimer wrote: > 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?
I think we want this per thread (and not per process). So I assume personality will not work out. Can a prctl be done per thread?
> > This looks like something other architectures may want as well.
Probably.
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