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From:   Jason Wang <jasowang@redhat.com>
Date:   Wed, 21 Dec 2022 14:48:40 +0800
Message-ID: <CACGkMEuXPoR_yp3ZC7XH4TZ8NdL21kWtJaxq22+VU7RQG13f8Q@mail.gmail.com>
Subject: Re: [PATCH] vhost_vdpa: fix the compile issue in commit 881ac7d2314f
To:     "Michael S. Tsirkin" <mst@redhat.com>
Cc:     Cindy Lu <lulu@redhat.com>, kvm@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        virtualization@lists.linux-foundation.org, netdev@vger.kernel.org,
        stable@vger.kernel.org
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On Wed, Dec 21, 2022 at 2:35 PM Michael S. Tsirkin <mst@redhat.com> wrote:
>
> On Wed, Dec 21, 2022 at 11:23:09AM +0800, Jason Wang wrote:
> > On Tue, Dec 20, 2022 at 10:02 PM Cindy Lu <lulu@redhat.com> wrote:
> > >
> > > The input of  vhost_vdpa_iotlb_unmap() was changed in 881ac7d2314f,
> > > But some function was not changed while calling this function.
> > > Add this change
> > >
> > > Cc: stable@vger.kernel.org
> > > Fixes: 881ac7d2314f ("vhost_vdpa: fix the crash in unmap a large memory")
> >
> > Is this commit merged into Linus tree?
> >
> > Btw, Michael, I'd expect there's a respin of the patch so maybe Cindy
> > can squash the fix into the new version?
> >
> > Thanks
>
> Thanks, I fixed it myself already. Why do you want a respin?

For some reason I miss v4, so it should be fine.

Thanks

> That will mean trouble as the fixed patch is now being tested.
>
>
> > > Reported-by: kernel test robot <lkp@intel.com>
> > > Signed-off-by: Cindy Lu <lulu@redhat.com>
> > > ---
> > >  drivers/vhost/vdpa.c | 6 +++---
> > >  1 file changed, 3 insertions(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
> > > index 46ce35bea705..ec32f785dfde 100644
> > > --- a/drivers/vhost/vdpa.c
> > > +++ b/drivers/vhost/vdpa.c
> > > @@ -66,8 +66,8 @@ static DEFINE_IDA(vhost_vdpa_ida);
> > >  static dev_t vhost_vdpa_major;
> > >
> > >  static void vhost_vdpa_iotlb_unmap(struct vhost_vdpa *v,
> > > -                                  struct vhost_iotlb *iotlb,
> > > -                                  u64 start, u64 last);
> > > +                                  struct vhost_iotlb *iotlb, u64 start,
> > > +                                  u64 last, u32 asid);
> > >
> > >  static inline u32 iotlb_to_asid(struct vhost_iotlb *iotlb)
> > >  {
> > > @@ -139,7 +139,7 @@ static int vhost_vdpa_remove_as(struct vhost_vdpa *v, u32 asid)
> > >                 return -EINVAL;
> > >
> > >         hlist_del(&as->hash_link);
> > > -       vhost_vdpa_iotlb_unmap(v, &as->iotlb, 0ULL, 0ULL - 1);
> > > +       vhost_vdpa_iotlb_unmap(v, &as->iotlb, 0ULL, 0ULL - 1, asid);
> > >         kfree(as);
> > >
> > >         return 0;
> > > --
> > > 2.34.3
> > >
>