diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2019-03-16 11:44:33 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2019-03-16 11:44:33 +0000 |
| commit | fd8d844f7622a08d362994fde083170ec29088ae (patch) | |
| tree | ddd401c39ecbacd9a9069413d165c0ba50e2afed /sys/sparc64 | |
| parent | 6f1fe3305a2be0a1395569b2ea5f56a93e491ae0 (diff) | |
| download | src-fd8d844f7622a08d362994fde083170ec29088ae.tar.gz src-fd8d844f7622a08d362994fde083170ec29088ae.zip | |
amd64 KPTI: add control from procctl(2).
Add the infrastructure to allow MD procctl(2) commands, and use it to
introduce amd64 PTI control and reporting. PTI mode cannot be
modified for existing pmap, the knob controls PTI of the new vmspace
created on exec.
Requested by: jhb
Reviewed by: jhb, markj (previous version)
Tested by: pho
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D19514
Notes
Notes:
svn path=/head/; revision=345228
Diffstat (limited to 'sys/sparc64')
| -rw-r--r-- | sys/sparc64/include/procctl.h | 4 | ||||
| -rw-r--r-- | sys/sparc64/sparc64/vm_machdep.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/sys/sparc64/include/procctl.h b/sys/sparc64/include/procctl.h new file mode 100644 index 000000000000..5221cfcd7be1 --- /dev/null +++ b/sys/sparc64/include/procctl.h @@ -0,0 +1,4 @@ +/*- + * This file is in the public domain. + */ +/* $FreeBSD$ */ diff --git a/sys/sparc64/sparc64/vm_machdep.c b/sys/sparc64/sparc64/vm_machdep.c index a4a316e0bc86..c56555a0120b 100644 --- a/sys/sparc64/sparc64/vm_machdep.c +++ b/sys/sparc64/sparc64/vm_machdep.c @@ -381,6 +381,14 @@ cpu_exec_vmspace_reuse(struct proc *p __unused, vm_map_t map __unused) } int +cpu_procctl(struct thread *td __unused, int idtype __unused, id_t id __unused, + int com __unused, void *data __unused) +{ + + return (EINVAL); +} + +int is_physical_memory(vm_paddr_t addr) { struct ofw_mem_region *mr; |