Re: [PATCH v2 4/8] xen/netback: fix spurious event detection for common event case

2021-02-11 Thread Wei Liu
On Thu, Feb 11, 2021 at 11:16:12AM +0100, Juergen Gross wrote: > In case of a common event for rx and tx queue the event should be > regarded to be spurious if no rx and no tx requests are pending. > > Unfortunately the condition for testing that is wrong causing to > decide a event being spurious

RE: [PATCH v2 4/8] xen/netback: fix spurious event detection for common event case

2021-02-11 Thread Paul Durrant
> -Original Message- > From: Juergen Gross > Sent: 11 February 2021 10:16 > To: xen-de...@lists.xenproject.org; netdev@vger.kernel.org; > linux-ker...@vger.kernel.org > Cc: Juergen Gross ; Wei Liu ; Paul > Durrant ; David > S. Miller ; Jakub Kicinski > Subject: [PATCH v2 4/8] xen/netbac

Re: [PATCH v2 4/8] xen/netback: fix spurious event detection for common event case

2021-02-11 Thread Jan Beulich
On 11.02.2021 11:16, Juergen Gross wrote: > --- a/drivers/net/xen-netback/interface.c > +++ b/drivers/net/xen-netback/interface.c > @@ -162,13 +162,15 @@ irqreturn_t xenvif_interrupt(int irq, void *dev_id) > { > struct xenvif_queue *queue = dev_id; > int old; > + bool has_rx, has_t