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| author | Mark Johnston <markj@FreeBSD.org> | 2020-02-05 16:09:02 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2020-02-05 16:09:02 +0000 |
| commit | 7c390929d9529fcfbd643e081f0a0a7593ff9c6e (patch) | |
| tree | 1a16256aad7156f0dc81c3afb49105687018dd2d /sys/amd64 | |
| parent | fbdf47586eb1e4a9dd874fbdc82a6e8e35026391 (diff) | |
| download | src-7c390929d9529fcfbd643e081f0a0a7593ff9c6e.tar.gz src-7c390929d9529fcfbd643e081f0a0a7593ff9c6e.zip | |
Fix map locking in the CLEAR_PKRU sysarch(2) handler.
Reported and tested by: pho
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Notes
Notes:
svn path=/head/; revision=357573
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/amd64/sys_machdep.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/amd64/amd64/sys_machdep.c b/sys/amd64/amd64/sys_machdep.c index 28be748d3fdd..5a0145e76ccd 100644 --- a/sys/amd64/amd64/sys_machdep.c +++ b/sys/amd64/amd64/sys_machdep.c @@ -380,7 +380,7 @@ sysarch(struct thread *td, struct sysarch_args *uap) error = pmap_pkru_clear(PCPU_GET(curpmap), (vm_offset_t)a64pkru.addr, (vm_offset_t)a64pkru.addr + a64pkru.len); - vm_map_unlock(map); + vm_map_unlock_read(map); break; default: |