On Mon, Sep 23, 2019 at 09:45:59AM -0600, Alex Williamson wrote:
> On Mon, 23 Sep 2019 21:03:30 +0800
> Jason Wang <jasowang@xxxxxxxxxx> wrote:
>
> > We want to copy from iov to buf, so the direction was wrong.
> >
> > Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
> > ---
> > drivers/vhost/vringh.c | 8 +++++++-
> > 1 file changed, 7 insertions(+), 1 deletion(-)
>
>
> Why is this included in the series? Seems like an unrelated fix being
> held up within a proposal for a new feature. Thanks,
>
> Alex
It's better to have it as patch 1/6, but it's a dependency of the
example driver in the series. I can reorder when I apply.
> > diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c
> > index 08ad0d1f0476..a0a2d74967ef 100644
> > --- a/drivers/vhost/vringh.c
> > +++ b/drivers/vhost/vringh.c
> > @@ -852,6 +852,12 @@ static inline int xfer_kern(void *src, void *dst, size_t len)
> > return 0;
> > }
> >
> > +static inline int kern_xfer(void *dst, void *src, size_t len)
> > +{
> > + memcpy(dst, src, len);
> > + return 0;
> > +}
> > +
> > /**
> > * vringh_init_kern - initialize a vringh for a kernelspace vring.
> > * @vrh: the vringh to initialize.
> > @@ -958,7 +964,7 @@ EXPORT_SYMBOL(vringh_iov_pull_kern);
> > ssize_t vringh_iov_push_kern(struct vringh_kiov *wiov,
> > const void *src, size_t len)
> > {
> > - return vringh_iov_xfer(wiov, (void *)src, len, xfer_kern);
> > + return vringh_iov_xfer(wiov, (void *)src, len, kern_xfer);
> > }
> > EXPORT_SYMBOL(vringh_iov_push_kern);
> >
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