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

[Wei Liu <wei.liu@xxxxxxxxxx>]

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 if no rx OR no tx requests are
> pending.
> 
> Fix that plus using local variables for rx/tx pending indicators in
> order to split function calls and if condition.
> 
> Fixes: 23025393dbeb3b ("xen/netback: use lateeoi irq binding")
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Wei Liu <wl@xxxxxxx>