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Re: [PATCH v3 0/8] xen/events: bug fixes and some diagnostic aids
- To: Juergen Gross <jgross@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Tue, 23 Feb 2021 10:44:58 -0500
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- Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, stable@xxxxxxxxxxxxxxx, Wei Liu <wei.liu@xxxxxxxxxx>, Paul Durrant <paul@xxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>
- Delivery-date: Tue, 23 Feb 2021 15:45:30 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 2/19/21 10:40 AM, Juergen Gross wrote:
> The first four patches are fixes for XSA-332. The avoid WARN splats
> and a performance issue with interdomain events.
>
> Patches 5 and 6 are some additions to event handling in order to add
> some per pv-device statistics to sysfs and the ability to have a per
> backend device spurious event delay control.
>
> Patches 7 and 8 are minor fixes I had lying around.
>
> Juergen Gross (8):
> xen/events: reset affinity of 2-level event when tearing it down
> xen/events: don't unmask an event channel when an eoi is pending
> xen/events: avoid handling the same event on two cpus at the same time
> xen/netback: fix spurious event detection for common event case
> xen/events: link interdomain events to associated xenbus device
> xen/events: add per-xenbus device event statistics and settings
> xen/evtchn: use smp barriers for user event ring
> xen/evtchn: use READ/WRITE_ONCE() for accessing ring indices
>
I am going to pick up the last 3 patches since Ross appears to be having some
issues with #2 (and 4 and 5 went in via netdev tree)
-boris
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