Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-04 Thread Jakub Kicinski
On Thu, 4 Feb 2021 06:32:32 +0100 Jürgen Groß wrote: > 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 f

Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-03 Thread Jürgen Groß
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 w

Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-03 Thread Jakub Kicinski
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. > >

Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-02 Thread Igor Druzhinin
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: I

Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-02 Thread Wei Liu
On Tue, Feb 02, 2021 at 08:09:38AM +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

Re: [PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-02 Thread Jürgen Groß
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 associ

[PATCH] xen/netback: avoid race in xenvif_rx_ring_slots_available()

2021-02-01 Thread Juergen Gross
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 Fixes: 23025393dbeb3b8b3 ("xen/netback: