All of lore.kernel.org
 help / color / mirror / Atom feed
From: Razvan Cojocaru <rzvncj@gmail.com>
To: "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: Multiple-page mem_event ring buffer?
Date: Tue, 05 Mar 2013 16:34:12 +0200	[thread overview]
Message-ID: <51360264.3070004@gmail.com> (raw)
In-Reply-To: <20130305142140.GH2589@phenom.dumpdata.com>

>> Could I safely use more than one page for the ring buffer (passing
>> '2' as the last parameter of xc_map_foreign_batch(), and so on), or
>> am I limited to 1 page by design?
>
> You should be able to as many as you want. Are you hitting any
> particular issues?

Haven't tried it yet, I've just noticed that all the example code using 
it hardcoded '1' as the number of pages it asks for, xenaccess.c has a 
comment to the effect of "/* Map the ring _page_ */", and so on.


Thanks,
Razvan Cojocaru

  reply	other threads:[~2013-03-05 14:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-05 13:21 Multiple-page mem_event ring buffer? Razvan Cojocaru
2013-03-05 14:21 ` Konrad Rzeszutek Wilk
2013-03-05 14:34   ` Razvan Cojocaru [this message]
2013-03-05 15:00   ` Razvan Cojocaru
     [not found] <mailman.25393.1362491391.1399.xen-devel@lists.xen.org>
2013-03-05 15:25 ` Andres Lagar-Cavilla
2013-03-05 15:35   ` Razvan Cojocaru

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=51360264.3070004@gmail.com \
    --to=rzvncj@gmail.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.