From: David Vrabel <david.vrabel@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Jan Beulich <jbeulich@suse.com>, xen-devel@lists.xen.org
Subject: Re: [PATCH 16/16] xen/events: use the FIFO-based ABI if available
Date: Wed, 16 Oct 2013 14:49:48 +0100 [thread overview]
Message-ID: <525E997C.2080306@citrix.com> (raw)
In-Reply-To: <525E9413.70907@oracle.com>
On 16/10/13 14:26, Boris Ostrovsky wrote:
> On 10/16/2013 05:46 AM, David Vrabel wrote:
>>
>> The majority of the risk in this series is the refactoring patches and
>> not the new ABI code so an option to disable it wouldn't really help.
>>
>> Also, if we are not confidant that a feature is production ready that we
>> need knobs to turn it off then we shouldn't merge it.
>
> I disagree. If this were the case then hardware wouldn't have chicken
> bits and there wouldn't exist half of "no*" options to kernel, for example.
>
> We are introducing a rewrite of a critical component of the system. It
> has bugs (by definition) and there should be a way to fall back to an
> implementation that presumably has fewer bugs.
Ok.
David
next prev parent reply other threads:[~2013-10-16 13:49 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-08 12:48 [PATCHv6 00/16] Linux: FIFO-based event channel ABI David Vrabel
2013-10-08 12:49 ` [PATCH 01/16] xen/events: refactor retrigger_dynirq() and resend_irq_on_evtchn() David Vrabel
2013-10-14 15:59 ` Boris Ostrovsky
2013-10-14 16:35 ` David Vrabel
2013-10-08 12:49 ` [PATCH 02/16] xen/events: remove unnecessary init_evtchn_cpu_bindings() David Vrabel
2013-10-08 12:49 ` [PATCH 03/16] xen/events: introduce test_and_set_mask David Vrabel
2013-10-08 12:49 ` [PATCH 04/16] xen/events: replace raw bit ops with functions David Vrabel
2013-10-14 16:30 ` Boris Ostrovsky
2013-10-14 16:43 ` David Vrabel
2013-10-08 12:49 ` [PATCH 05/16] xen/events: move drivers/xen/events.c into drivers/xen/events/ David Vrabel
2013-10-08 12:49 ` [PATCH 06/16] xen/events: move 2-level specific code into its own file David Vrabel
2013-10-14 16:50 ` Boris Ostrovsky
2013-10-14 16:53 ` David Vrabel
2013-10-08 12:49 ` [PATCH 07/16] xen/events: add struct evtchn_ops for the low-level port operations David Vrabel
2013-10-08 12:49 ` [PATCH 08/16] xen/events: allow setup of irq_info to fail David Vrabel
2013-10-14 17:26 ` Boris Ostrovsky
2013-10-15 19:20 ` David Vrabel
2013-10-08 12:49 ` [PATCH 09/16] xen/events: add a evtchn_op for port setup David Vrabel
2013-10-08 12:49 ` [PATCH 10/16] xen/events: Refactor evtchn_to_irq array to be dynamically allocated David Vrabel
2013-10-14 17:52 ` Boris Ostrovsky
2013-10-15 18:58 ` David Vrabel
2013-10-08 12:49 ` [PATCH 11/16] xen/events: add xen_evtchn_mask_all() David Vrabel
2013-10-08 12:49 ` [PATCH 12/16] xen/evtchn: support more than 4096 ports David Vrabel
2013-10-14 18:06 ` Boris Ostrovsky
2013-10-08 12:49 ` [PATCH 13/16] xen/events: Add the hypervisor interface for the FIFO-based event channels David Vrabel
2013-10-08 12:49 ` [PATCH 14/16] xen/events: allow event channel priority to be set David Vrabel
2013-10-08 12:49 ` [PATCH 15/16] xen/x86: set VIRQ_TIMER priority to maximum David Vrabel
2013-10-08 12:49 ` [PATCH 16/16] xen/events: use the FIFO-based ABI if available David Vrabel
2013-10-14 19:30 ` Boris Ostrovsky
2013-10-15 18:58 ` David Vrabel
2013-10-15 20:39 ` Boris Ostrovsky
2013-10-16 9:46 ` David Vrabel
2013-10-16 13:26 ` Boris Ostrovsky
2013-10-16 13:49 ` David Vrabel [this message]
2013-10-14 13:41 ` [PATCHv6 00/16] Linux: FIFO-based event channel ABI David Vrabel
2013-10-16 15:19 ` Ian Campbell
2013-10-16 15:36 ` David Vrabel
2013-10-16 15:38 ` Ian Jackson
-- strict thread matches above, loose matches on Subject: below --
2013-11-11 16:12 [PATCHv9 " David Vrabel
2013-11-11 16:13 ` [PATCH 16/16] xen/events: use the FIFO-based ABI if available David Vrabel
2013-10-31 15:09 [PATCHv8 00/16] Linux: FIFO-based event channel ABI David Vrabel
2013-10-31 15:09 ` [PATCH 16/16] xen/events: use the FIFO-based ABI if available David Vrabel
2013-10-18 14:23 [PATCHv7 00/16] Linux: FIFO-based event channel ABI David Vrabel
2013-10-18 14:23 ` [PATCH 16/16] xen/events: use the FIFO-based ABI if available David Vrabel
2013-10-02 17:14 [PATCHv5 00/16] Linux: FIFO-based event channel ABI David Vrabel
2013-10-02 17:15 ` [PATCH 16/16] xen/events: use the FIFO-based ABI if available David Vrabel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=525E997C.2080306@citrix.com \
--to=david.vrabel@citrix.com \
--cc=boris.ostrovsky@oracle.com \
--cc=jbeulich@suse.com \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).