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Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()
On 02.02.21 16:26, Igor Druzhinin wrote:
On 02/02/2021 07:09, Juergen Gross wrote:
Since commit 23025393dbeb3b8b3 ("xen/netback: use lateeoi irq binding")
xenvif_rx_ring_slots_available() is no longer called only from the rx
queue kernel thread, so it needs to access the rx queue with the
associated queue held.
Reported-by: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
Fixes: 23025393dbeb3b8b3 ("xen/netback: use lateeoi irq binding")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Appreciate a quick fix! Is this the only place that sort of race could
happen now?
I checked and didn't find any other similar problem.
Juergen
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