[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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
  • Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none
  • Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=NtEUi/ZzaRq0ckwBefxzpmmUWbdZ5Kv+7+Dnxrn0dUw=; b=GZ8gIb1DgwBKwRA9bXs646JY1fqNco/Cq366lHdDakJ09d5aDxYIc4k6E3v4WU1VnmwX3mTy12xuQtlKiwfc/q6fEWDO8WLUrawqhEEku4ZllQ+GWzjgh4JIO204x6gHDAJSs0WIcsDWx2XLt0lDp7tOIc7aKoDOUQFSvs8bE1B0Fs5CPk4Rgyx7O2O7L4AoCP3LV1rQX4wKOtpk4QKHm/0Ax/Ky4PZVUNiHe3QqbeiL7oX53qK2D4Zha4LM1x0cvu/0Qnol8KRE5ik2M//66k6rXvBdiIJAW+X7tpsF0CBZex3/x1EeHcGCUlBldJva1wi7hKiUlkRfY9TrphQLsQ==
  • Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Yp4q6DXoQfeoxCYn55dJw69YvA0AIkX39xELR0l+RNzZTXMtkaXzoQaHd/ohuMYIqMzPXBWEM0gCA6K+7HhBUsnuCGSISzbA6f+gJQnYd1fvdSPrjwi5EJ8YovMOPZ9mStQNy+3iY/BuT/9H4PnwC2N1mRasiieycF9XodaPF0ziiJE9iqdN7ZGAQ17Ir7vvFLWJj2FHrIz03U5nzBlvo9uftcJ/kcQqSjFDs17rRLLKJtOuAJuWYcNFAYnOavcxjmEeDck3xKYz0Ed5wWO69wEtQEP0B7Ky9S8z0S7dPhjD53dabEN+Boay8vpXINnwIWGL9uAlUx9M0ReFhBW3xA==
  • Authentication-results: kernel.dk; dkim=none (message not signed) header.d=none;kernel.dk; dmarc=none action=none header.from=oracle.com;
  • 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)




Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.