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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Juergen Gross <jgross@suse.com>, <xen-devel@lists.xenproject.org>,
	<linux-kernel@vger.kernel.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Stefano Stabellini <sstabellini@kernel.org>
Subject: Re: [PATCH 6/7] xen/evtch: use smp barriers for user event ring
Date: Mon, 8 Feb 2021 09:44:00 +0000	[thread overview]
Message-ID: <2d354cad-3413-a416-0bc1-01d03e1f41cd@citrix.com> (raw)
In-Reply-To: <20210206104932.29064-7-jgross@suse.com>

On 06/02/2021 10:49, 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>

These need to be virt_* to not break in UP builds (on non-x86).

~Andrew

  parent reply	other threads:[~2021-02-08  9:59 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
2021-02-08  9:41     ` Jürgen Groß
2021-02-08  9:44   ` Andrew Cooper [this message]
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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