[dpdk-dev] [EXT] [PATCH] net/qede: remove interrupt reconfigure in handler

David Marchand david.marchand at redhat.com
Wed Jun 26 09:37:10 CEST 2019


On Wed, Jun 26, 2019 at 12:50 AM Rasesh Mody <rmody at marvell.com> wrote:

> >From: David Marchand <david.marchand at redhat.com>
> >Sent: Tuesday, June 25, 2019 6:39 AM
> >
> >----------------------------------------------------------------------
> >rte_intr_enable/rte_intr_disable configure the interrupt context on the
> >kernel side (either uio or vfio).
> >In VFIO case, calling it from the interrupt handlers triggers an unneeded
> >interrupt handlers reconfiguration.
> >During this reconfiguration window, the device can trigger interrupts
> which
> >are left unserviced.
> >
> >Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1654824
> >Fixes: 245aec289338 ("net/qede: fix legacy interrupt mode")
> >Fixes: 2ea6f76aff40 ("qede: add core driver")
> >Cc: stable at dpdk.org
> >
> >Signed-off-by: David Marchand <david.marchand at redhat.com>
> >---
>
> Change looks good, thanks.
>
> Acked-by: Rasesh Mody <rmody at marvell.com>
>

Something still bothers me about the meaning of rte_intr_enable()...
Let me write a mail to a little more people :-)

For now, let's put this patch on hold.


-- 
David Marchand


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