From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Paul Durrant <pdurrant@amazon.com>
Cc: <linux-kernel@vger.kernel.org>, <xen-devel@lists.xenproject.org>,
"Juergen Gross" <jgross@suse.com>,
Stefano Stabellini <sstabellini@kernel.org>,
"Boris Ostrovsky" <boris.ostrovsky@oracle.com>
Subject: Re: [Xen-devel] [PATCH 3/4] xen/interface: don't discard pending work in FRONT/BACK_RING_ATTACH
Date: Mon, 9 Dec 2019 12:41:37 +0100 [thread overview]
Message-ID: <20191209114137.GT980@Air-de-Roger> (raw)
In-Reply-To: <20191205140123.3817-4-pdurrant@amazon.com>
On Thu, Dec 05, 2019 at 02:01:22PM +0000, Paul Durrant wrote:
> Currently these macros will skip over any requests/responses that are
> added to the shared ring whilst it is detached. This, in general, is not
> a desirable semantic since most frontend implementations will eventually
> block waiting for a response which would either never appear or never be
> processed.
>
> NOTE: These macros are currently unused. BACK_RING_ATTACH(), however, will
> be used in a subsequent patch.
>
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Those headers come from Xen, and should be modified in Xen first and
then imported into Linux IMO.
Thanks, Roger.
WARNING: multiple messages have this Message-ID (diff)
From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Paul Durrant <pdurrant@amazon.com>
Cc: Juergen Gross <jgross@suse.com>,
xen-devel@lists.xenproject.org,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Stefano Stabellini <sstabellini@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [Xen-devel] [PATCH 3/4] xen/interface: don't discard pending work in FRONT/BACK_RING_ATTACH
Date: Mon, 9 Dec 2019 12:41:37 +0100 [thread overview]
Message-ID: <20191209114137.GT980@Air-de-Roger> (raw)
In-Reply-To: <20191205140123.3817-4-pdurrant@amazon.com>
On Thu, Dec 05, 2019 at 02:01:22PM +0000, Paul Durrant wrote:
> Currently these macros will skip over any requests/responses that are
> added to the shared ring whilst it is detached. This, in general, is not
> a desirable semantic since most frontend implementations will eventually
> block waiting for a response which would either never appear or never be
> processed.
>
> NOTE: These macros are currently unused. BACK_RING_ATTACH(), however, will
> be used in a subsequent patch.
>
> Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Those headers come from Xen, and should be modified in Xen first and
then imported into Linux IMO.
Thanks, Roger.
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next prev parent reply other threads:[~2019-12-09 11:41 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-05 14:01 [PATCH 0/4] xen-blkback: support live update Paul Durrant
2019-12-05 14:01 ` [Xen-devel] " Paul Durrant
2019-12-05 14:01 ` [PATCH 1/4] xenbus: move xenbus_dev_shutdown() into frontend code Paul Durrant
2019-12-05 14:01 ` [Xen-devel] " Paul Durrant
2019-12-09 11:33 ` Jürgen Groß
2019-12-09 11:33 ` [Xen-devel] " Jürgen Groß
2019-12-09 11:55 ` Durrant, Paul
2019-12-09 11:55 ` [Xen-devel] " Durrant, Paul
2019-12-09 11:57 ` Jürgen Groß
2019-12-09 11:57 ` [Xen-devel] " Jürgen Groß
2019-12-05 14:01 ` [PATCH 2/4] xenbus: limit when state is forced to closed Paul Durrant
2019-12-05 14:01 ` [Xen-devel] " Paul Durrant
2019-12-09 11:39 ` Roger Pau Monné
2019-12-09 11:39 ` Roger Pau Monné
2019-12-09 11:55 ` Jürgen Groß
2019-12-09 11:55 ` Jürgen Groß
2019-12-09 12:03 ` Durrant, Paul
2019-12-09 12:03 ` Durrant, Paul
2019-12-09 12:08 ` Jürgen Groß
2019-12-09 12:08 ` Jürgen Groß
2019-12-09 12:19 ` Durrant, Paul
2019-12-09 12:19 ` Durrant, Paul
2019-12-09 13:38 ` Jürgen Groß
2019-12-09 13:38 ` Jürgen Groß
2019-12-09 14:06 ` Durrant, Paul
2019-12-09 14:06 ` Durrant, Paul
2019-12-09 14:09 ` Jürgen Groß
2019-12-09 14:09 ` Jürgen Groß
2019-12-09 14:23 ` Durrant, Paul
2019-12-09 14:23 ` Durrant, Paul
2019-12-09 14:41 ` Jürgen Groß
2019-12-09 14:41 ` Jürgen Groß
2019-12-09 14:43 ` Durrant, Paul
2019-12-09 14:43 ` Durrant, Paul
2019-12-09 12:01 ` Durrant, Paul
2019-12-09 12:01 ` Durrant, Paul
2019-12-09 12:25 ` Roger Pau Monné
2019-12-09 12:25 ` Roger Pau Monné
2019-12-09 12:40 ` Durrant, Paul
2019-12-09 12:40 ` Durrant, Paul
2019-12-09 14:28 ` Roger Pau Monné
2019-12-09 14:28 ` Roger Pau Monné
2019-12-09 14:41 ` Durrant, Paul
2019-12-09 14:41 ` Durrant, Paul
2019-12-09 15:13 ` Roger Pau Monné
2019-12-09 15:13 ` Roger Pau Monné
2019-12-09 16:26 ` Durrant, Paul
2019-12-09 16:26 ` Durrant, Paul
2019-12-09 17:17 ` Roger Pau Monné
2019-12-09 17:17 ` Roger Pau Monné
2019-12-09 17:23 ` Durrant, Paul
2019-12-09 17:23 ` Durrant, Paul
2019-12-05 14:01 ` [PATCH 3/4] xen/interface: don't discard pending work in FRONT/BACK_RING_ATTACH Paul Durrant
2019-12-05 14:01 ` [Xen-devel] " Paul Durrant
2019-12-09 11:41 ` Roger Pau Monné [this message]
2019-12-09 11:41 ` Roger Pau Monné
2019-12-09 11:52 ` Jürgen Groß
2019-12-09 11:52 ` Jürgen Groß
2019-12-09 12:50 ` Durrant, Paul
2019-12-09 12:50 ` Durrant, Paul
2019-12-09 13:55 ` Jürgen Groß
2019-12-09 13:55 ` [Xen-devel] " Jürgen Groß
2019-12-09 16:38 ` Durrant, Paul
2019-12-09 16:38 ` [Xen-devel] " Durrant, Paul
2019-12-10 11:42 ` Jürgen Groß
2019-12-10 11:42 ` [Xen-devel] " Jürgen Groß
2019-12-05 14:01 ` [PATCH 4/4] xen-blkback: support dynamic unbind/bind Paul Durrant
2019-12-05 14:01 ` [Xen-devel] " Paul Durrant
2019-12-09 12:17 ` Roger Pau Monné
2019-12-09 12:17 ` [Xen-devel] " Roger Pau Monné
2019-12-09 12:24 ` Durrant, Paul
2019-12-09 12:24 ` [Xen-devel] " Durrant, Paul
2019-12-09 13:57 ` Jürgen Groß
2019-12-09 13:57 ` [Xen-devel] " Jürgen Groß
2019-12-09 14:01 ` Durrant, Paul
2019-12-09 14:01 ` [Xen-devel] " Durrant, Paul
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