diff options
Diffstat (limited to 'sys/kern/subr_uio.c')
| -rw-r--r-- | sys/kern/subr_uio.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/kern/subr_uio.c b/sys/kern/subr_uio.c index 3c7688a..b85e50b 100644 --- a/sys/kern/subr_uio.c +++ b/sys/kern/subr_uio.c @@ -187,8 +187,12 @@ uiomove_faultflag(void *cp, int n, struct uio *uio, int nofault) /* XXX does it make a sense to set TDP_DEADLKTREAT for UIO_SYSSPACE ? */ newflags = TDP_DEADLKTREAT; - if (uio->uio_segflg == UIO_USERSPACE && nofault) - newflags |= TDP_NOFAULTING; + if (uio->uio_segflg == UIO_USERSPACE && nofault) { + /* + * Fail if a non-spurious page fault occurs. + */ + newflags |= TDP_NOFAULTING | TDP_RESETSPUR; + } save = curthread_pflags_set(newflags); while (n > 0 && uio->uio_resid) { |
