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SubjectRe: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()
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On 04.02.21 00:48, Jakub Kicinski wrote:
> On Tue, 2 Feb 2021 08:09:38 +0100 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@citrix.com>
>> Fixes: 23025393dbeb3b8b3 ("xen/netback: use lateeoi irq binding")
>> Cc: stable@vger.kernel.org
>> Signed-off-by: Juergen Gross <jgross@suse.com>
>
> Should we route this change via networking trees? I see the bug did not
> go through networking :)
>

I'm fine with either networking or the Xen tree. It should be included
in 5.11, though. So if you are willing to take it, please do so.


Juergen
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