On Fri, 8 Oct 2021 10:06:57 +0200, Greg KH <gre...@linuxfoundation.org> wrote:
> On Fri, Oct 08, 2021 at 12:17:26AM +0800, Xuan Zhuo wrote:
> > On Thu, 7 Oct 2021 17:25:02 +0200, Greg KH <gre...@linuxfoundation.org>
> > wrote:
> > > On Thu, Oct 07, 2021 at 11:06:12PM +0800, Xuan Zhuo wrote:
> > > > On Thu, 07 Oct 2021 14:04:22 +0200, Corentin Noël
> > > > <corentin.n...@collabora.com> wrote:
> > > > > I've been experiencing crashes with 5.14-rc1 and above that do not
> > > > > occur with 5.13,
> > > >
> > > > I should have fixed this problem before. I don't know why, I just
> > > > looked at the
> > > > latest net code, and this commit seems to be lost.
> > > >
> > > > 1a8024239dacf53fcf39c0f07fbf2712af22864f virtio-net: fix for
> > > > skb_over_panic inside big mode
> > > >
> > > > Can you test this patch again?
> > >
> > > That commit showed up in 5.13-rc5, so 5.14-rc1 and 5.13 should have had
> > > it in it, right?
> > >
> >
> > Yes, it may be lost due to conflicts during a certain merge.
>
> Really? I tried to apply that again to 5.14 and it did not work. So I
> do not understand what to do here, can you try to explain it better?
I took a look, and there is actually another missing patch:
A. 8fb7da9e990793299c89ed7a4281c235bfdd31f8 virtio_net: get build_skb() buf by
data ptr
B. 1a8024239dacf53fcf39c0f07fbf2712af22864f virtio-net: fix for skb_over_panic
inside big mode
A is replaced by another patch:
commit c32325b8fdf2f979befb9fd5587918c0d5412db3
Author: Jakub Kicinski <k...@kernel.org>
Date: Mon Aug 2 10:57:29 2021 -0700
virtio-net: realign page_to_skb() after merges
We ended up merging two versions of the same patch set:
commit 8fb7da9e9907 ("virtio_net: get build_skb() buf by data ptr")
commit 5c37711d9f27 ("virtio-net: fix for unable to handle page
fault for address")
into net, and
commit 7bf64460e3b2 ("virtio-net: get build_skb() buf by data ptr")
commit 6c66c147b9a4 ("virtio-net: fix for unable to handle page
fault for address")
into net-next. Redo the merge from commit 126285651b7f ("Merge
ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net"), so that
the most recent code remains.
Acked-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Jakub Kicinski <k...@kernel.org>
Acked-by: Jason Wang <jasow...@redhat.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
So after this patch, patch B can be applied normally.
So on the latest net branch, only lost
1a8024239dacf53fcf39c0f07fbf2712af22864f virtio-net: fix for
skb_over_panic inside big mode
Thanks.
>
> thanks,
>
> greg k-h
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