From: Rusty Russell <rusty@rustcorp.com.au>
To: Amit Shah <amit.shah@redhat.com>
Cc: virtualization@lists.linux-foundation.org
Subject: Re: [PATCH 18/31] virtio: console: Buffer data that comes from the host
Date: Mon, 4 Jan 2010 19:45:30 +1030 [thread overview]
Message-ID: <201001041945.30841.rusty@rustcorp.com.au> (raw)
In-Reply-To: <1261492481-19817-19-git-send-email-amit.shah@redhat.com>
On Wed, 23 Dec 2009 01:04:28 am Amit Shah wrote:
> The console could be flooded with data from the host; handle this
> situation by buffering the data.
Is this still true? If we only add_buf when we're ready, surely the host
can't flood us with one virtqueue per port?
Thanks,
Rusty.
next prev parent reply other threads:[~2010-01-04 9:15 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-22 14:34 [PATCH 00/31] virtio: console: Fixes, multiple devices and generic ports Amit Shah
2009-12-22 14:34 ` [PATCH 01/31] virtio: console: comment cleanup Amit Shah
2009-12-22 14:34 ` [PATCH 02/31] virtio: console: statically initialize virtio_cons Amit Shah
2009-12-22 14:34 ` [PATCH 03/31] hvc_console: make the ops pointer const Amit Shah
2009-12-22 14:34 ` Amit Shah
2009-12-22 14:34 ` [PATCH 04/31] hvc_console: Remove __devinit annotation from hvc_alloc Amit Shah
2009-12-22 14:34 ` Amit Shah
2009-12-22 14:34 ` [PATCH 05/31] virtio: console: We support only one device at a time Amit Shah
2009-12-22 14:34 ` [PATCH 06/31] virtio: console: port encapsulation Amit Shah
2009-12-22 14:34 ` [PATCH 07/31] virtio: console: encapsulate buffer information in a struct Amit Shah
2009-12-22 14:34 ` [PATCH 08/31] virtio: console: ensure add_inbuf can work for multiple ports as well Amit Shah
2009-12-22 14:34 ` [PATCH 09/31] virtio: console: introduce a get_inbuf helper to fetch bufs from in_vq Amit Shah
2009-12-22 14:34 ` [PATCH 10/31] virtio: console: use vdev->priv to avoid accessing global var Amit Shah
2009-12-22 14:34 ` [PATCH 11/31] virtio: console: don't assume a single console port Amit Shah
2009-12-22 14:34 ` [PATCH 12/31] virtio: console: remove global var Amit Shah
2009-12-22 14:34 ` [PATCH 13/31] virtio: console: struct ports for multiple ports per device Amit Shah
2009-12-22 14:34 ` [PATCH 14/31] virtio: console: ensure console size is updated on hvc open Amit Shah
2009-12-22 14:34 ` [PATCH 15/31] virtio: console: Separate out console-specific data into a separate struct Amit Shah
2009-12-22 14:34 ` [PATCH 16/31] virtio: console: Separate out console init into a new function Amit Shah
2009-12-22 14:34 ` [PATCH 17/31] virtio: console: Separate out find_vqs operation into a different function Amit Shah
2009-12-22 14:34 ` [PATCH 18/31] virtio: console: Buffer data that comes from the host Amit Shah
2009-12-22 14:34 ` [PATCH 19/31] virtio: console: Introduce a send_buf function for a common path for sending data to host Amit Shah
2009-12-22 14:34 ` [PATCH 20/31] virtio: console: Introduce a 'header' for each buffer towards supporting multiport Amit Shah
2009-12-22 14:34 ` [PATCH 21/31] virtio: console: Add a new MULTIPORT feature, support for generic ports Amit Shah
2009-12-22 14:34 ` [PATCH 22/31] virtio: console: Prepare for writing to / reading from userspace buffers Amit Shah
2009-12-22 14:34 ` [PATCH 23/31] virtio: console: Associate each port with a char device Amit Shah
2009-12-22 14:34 ` [PATCH 24/31] virtio: console: Add file operations to ports for open/read/write/poll Amit Shah
2009-12-22 14:34 ` [PATCH 25/31] virtio: console: Ensure only one process can have a port open at a time Amit Shah
2009-12-22 14:34 ` [PATCH 26/31] virtio: console: Register with sysfs and create a 'name' attribute for ports Amit Shah
2009-12-22 14:34 ` [PATCH 27/31] virtio: console: Add throttling support to prevent flooding ports Amit Shah
2009-12-22 14:34 ` [PATCH 28/31] virtio: console: Add option to remove cached buffers on port close Amit Shah
2009-12-22 14:34 ` [PATCH 29/31] virtio: console: Handle port hot-plug Amit Shah
2009-12-22 14:34 ` [PATCH 30/31] virtio: console: Add ability to hot-unplug ports Amit Shah
2009-12-22 14:34 ` [PATCH 31/31] virtio: console: Add debugfs files for each port to expose debug info Amit Shah
2010-01-04 9:15 ` Rusty Russell [this message]
2010-01-04 9:47 ` [PATCH 18/31] virtio: console: Buffer data that comes from the host Amit Shah
2010-01-13 6:11 ` Amit Shah
2010-01-13 11:13 ` Rusty Russell
2010-01-13 11:24 ` Amit Shah
2010-01-13 23:15 ` Rusty Russell
2010-01-14 3:17 ` Amit Shah
2010-01-16 22:16 ` Rusty Russell
2010-01-12 2:21 ` [PATCH 03/31] hvc_console: make the ops pointer const Benjamin Herrenschmidt
2010-01-12 2:21 ` Benjamin Herrenschmidt
2010-01-12 11:36 ` Rusty Russell
2010-01-12 11:36 ` Rusty Russell
2009-12-23 6:39 ` [PATCH 00/31] virtio: console: Fixes, multiple devices and generic ports Rusty Russell
2009-12-23 6:44 ` Amit Shah
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