Re: [PATCH 1/2] xen/netback: don't do grant copy across page boundary

[Paul Durrant]

On 27/03/2023 09:36, Juergen Gross wrote:
> Fix xenvif_get_requests() not to do grant copy operations across local
> page boundaries. This requires to double the maximum number of copy
> operations per queue, as each copy could now be split into 2.
>
> Make sure that struct xenvif_tx_cb doesn't grow too large.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in the non-linear area")
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> ---
>   drivers/net/xen-netback/common.h  |  2 +-
>   drivers/net/xen-netback/netback.c | 25 +++++++++++++++++++++++--
>   2 files changed, 24 insertions(+), 3 deletions(-)

Reviewed-by: Paul Durrant <paul@xxxxxxx>