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From: David Vrabel <david.vrabel@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: "Keir (Xen.org)" <keir@xen.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Wei Liu <wei.liu2@citrix.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH 2/8] evtchn: refactor low-level event channel port ops
Date: Wed, 20 Mar 2013 13:37:05 +0000	[thread overview]
Message-ID: <5149BB81.9020906@citrix.com> (raw)
In-Reply-To: <51499BCF02000078000C7171@nat28.tlf.novell.com>

On 20/03/13 10:21, Jan Beulich wrote:
>>>> On 19.03.13 at 22:00, David Vrabel <david.vrabel@citrix.com> wrote:
>> --- /dev/null
>> +++ b/xen/common/event_port.c
> 
> Is this really a good name? Wouldn't it be better to have a separate
> file per ABI (e.g. this one being evt_port_2l.c)?

Agreed.  I did this on the Linux side and it's better.

>> --- a/xen/include/xen/sched.h
>> +++ b/xen/include/xen/sched.h
>> @@ -81,6 +81,7 @@ struct evtchn
>>          } pirq;        /* state == ECS_PIRQ */
>>          u16 virq;      /* state == ECS_VIRQ */
>>      } u;
>> +    u32 port;
> 
> The need for this field doesn't become obvious after going
> through the entire patch - if it really needs adding here, the
> description should say why, I would think.

The evtchn_ops calls all take a struct evtchn * as a parameter so we
need this field to get the port.

David

  reply	other threads:[~2013-03-20 13:37 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-19 21:00 [PATCH RFC 0/8] Xen: FIFO-based event channel ABI David Vrabel
2013-03-19 21:00 ` [PATCH 1/8] debug: remove some event channel info from the 'i' and 'q' debug keys David Vrabel
2013-03-19 21:00 ` [PATCH 2/8] evtchn: refactor low-level event channel port ops David Vrabel
2013-03-20 10:21   ` Jan Beulich
2013-03-20 13:37     ` David Vrabel [this message]
2013-03-20 10:24   ` Jan Beulich
2013-03-19 21:00 ` [PATCH 3/8] evtchn: add a hook to bind an event port to a VCPU David Vrabel
2013-03-19 21:00 ` [PATCH 4/8] evtchn: Dynamically allocate d->evtchn David Vrabel
2013-03-20 11:43   ` Wei Liu
2013-03-19 21:00 ` [PATCH 5/8] evtchn: use a per-domain variable for the max number of event channels David Vrabel
2013-03-20 10:27   ` Jan Beulich
2013-03-19 21:00 ` [PATCH 6/8] HACK! evtchn: increase number of buckets to support the FIFO ABI David Vrabel
2013-03-19 21:00 ` [PATCH 7/8] evtchn: add FIFO-based event channel ABI David Vrabel
2013-03-20 10:32   ` Jan Beulich
2013-03-20 13:38     ` David Vrabel
2013-03-19 21:00 ` [PATCH 8/8] evtchn: add FIFO-based event channel hypercalls and port ops David Vrabel
2013-03-20 10:47   ` Jan Beulich
2013-03-20 13:42     ` David Vrabel
2013-03-20 13:55       ` Jan Beulich
2013-03-20 14:23         ` Tim Deegan
2013-03-20 14:38           ` David Vrabel
2013-03-20 15:34             ` Tim Deegan
2013-03-20 15:54               ` David Vrabel
2013-03-20 16:15                 ` Keir Fraser
2013-03-20 13:50   ` Wei Liu
2013-03-19 21:15 ` [PATCH RFC 0/8] Xen: FIFO-based event channel ABI Keir Fraser
2013-03-20 10:15 ` Jan Beulich
  -- strict thread matches above, loose matches on Subject: below --
2013-08-09 18:08 [RFC PATCH " David Vrabel
2013-08-09 18:08 ` [PATCH 2/8] evtchn: refactor low-level event channel port ops David Vrabel
2013-08-15 14:05   ` Jan Beulich
2013-09-06 14:25     ` David Vrabel
2013-09-06 14:55       ` Jan Beulich

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