From: Jan Beulich <jbeulich@suse.com>
To: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Andrew Cooper <andrew.cooper3@citrix.com>,
linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org
Subject: Re: [PATCH 6/7] xen/evtch: use smp barriers for user event ring
Date: Mon, 8 Feb 2021 10:38:33 +0100 [thread overview]
Message-ID: <5cef0d0e-8f03-7cd2-4246-268a67a87dc5@suse.com> (raw)
In-Reply-To: <20210206104932.29064-7-jgross@suse.com>
On 06.02.2021 11:49, Juergen Gross wrote:
> The ring buffer for user events is used in the local system only, so
> smp barriers are fine for ensuring consistency.
>
> Reported-by: Andrew Cooper <andrew.cooper3@citrix.com>
> Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Albeit I think "local system" is at least ambiguous (physical
machine? VM?). How about something like "is local to the given
kernel instance"?
Jan
next prev parent reply other threads:[~2021-02-08 9:46 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-06 10:49 [PATCH 0/7] xen/events: bug fixes and some diagnostic aids Juergen Gross
2021-02-06 10:49 ` [PATCH 1/7] xen/events: reset affinity of 2-level event initially Juergen Gross
2021-02-06 11:20 ` Julien Grall
2021-02-06 12:09 ` Jürgen Groß
2021-02-06 12:19 ` Julien Grall
2021-02-06 10:49 ` [PATCH 2/7] xen/events: don't unmask an event channel when an eoi is pending Juergen Gross
2021-02-08 10:06 ` Jan Beulich
2021-02-08 10:21 ` Jürgen Groß
2021-02-08 10:15 ` Ross Lagerwall
2021-02-06 10:49 ` [PATCH 3/7] xen/events: fix lateeoi irq acknowledgment Juergen Gross
2021-02-06 10:49 ` [PATCH 4/7] xen/events: link interdomain events to associated xenbus device Juergen Gross
2021-02-08 23:26 ` Boris Ostrovsky
2021-02-09 13:55 ` Wei Liu
2021-02-06 10:49 ` [PATCH 5/7] xen/events: add per-xenbus device event statistics and settings Juergen Gross
2021-02-08 23:35 ` Boris Ostrovsky
2021-02-06 10:49 ` [PATCH 6/7] xen/evtch: use smp barriers for user event ring Juergen Gross
2021-02-08 9:38 ` Jan Beulich [this message]
2021-02-08 9:41 ` Jürgen Groß
2021-02-08 9:44 ` Andrew Cooper
2021-02-08 9:50 ` Jan Beulich
2021-02-08 10:23 ` Andrew Cooper
2021-02-08 10:25 ` Jürgen Groß
2021-02-08 10:31 ` Andrew Cooper
2021-02-08 10:36 ` Jan Beulich
2021-02-08 10:45 ` Andrew Cooper
2021-02-06 10:49 ` [PATCH 7/7] xen/evtchn: read producer index only once Juergen Gross
2021-02-08 9:48 ` Jan Beulich
2021-02-08 10:41 ` Jürgen Groß
2021-02-08 10:51 ` Jan Beulich
2021-02-08 10:59 ` Jürgen Groß
2021-02-08 11:50 ` Julien Grall
2021-02-08 11:54 ` Jan Beulich
2021-02-08 12:15 ` Jürgen Groß
2021-02-08 12:23 ` Jan Beulich
2021-02-08 12:26 ` Jürgen Groß
2021-02-08 11:40 ` Julien Grall
2021-02-08 11:48 ` Jürgen Groß
2021-02-08 12:03 ` Julien Grall
2021-02-06 18:46 ` [PATCH 0/7] xen/events: bug fixes and some diagnostic aids Julien Grall
2021-02-07 12:58 ` Jürgen Groß
2021-02-08 9:11 ` Julien Grall
2021-02-08 9:41 ` Jürgen Groß
2021-02-08 9:54 ` Julien Grall
2021-02-08 10:22 ` Jürgen Groß
2021-02-08 10:40 ` Julien Grall
2021-02-08 12:14 ` Jürgen Groß
2021-02-08 12:16 ` Julien Grall
2021-02-08 12:31 ` Jürgen Groß
2021-02-08 13:09 ` Julien Grall
2021-02-08 13:58 ` Jürgen Groß
2021-02-08 14:20 ` Julien Grall
2021-02-08 14:35 ` Julien Grall
2021-02-08 14:50 ` Jürgen Groß
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