Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [RFC v4 17/17] procfs: display the protection-key number associated with a vma | Date | Wed, 28 Jun 2017 11:50:13 +1000 |
| |
Ram Pai <linuxram@us.ibm.com> writes:
> Display the pkey number associated with the vma in smaps of a task. > The key will be seen as below: > > VmFlags: rd wr mr mw me dw ac key=0
Why wouldn't we just emit a "ProtectionKey:" line like x86 does?
See their arch_show_smap().
You should probably also do what x86 does, which is to not display the key on CPUs that don't support keys.
cheers
| |