From: Brian <balexander-osxm6dDZNBBZx8iatJs59jGjJy/sRE9J@public.gmane.org>
To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Problem Pinning Physical Memory
Date: Fri, 26 Nov 2010 14:08:07 +0000 (UTC) [thread overview]
Message-ID: <loom.20101126T150517-203@post.gmane.org> (raw)
In-Reply-To: 20101124135507.GA23230@mtldesk30
Eli Cohen <eli@...> writes:
> You can't regiter IO memory using ibv_reg_mr() - you can only do that
> by registering that memory using physical memory registration which is
> available only for kernel consumers. You can't allow userspace to
> register physical pages as this is a security breach.
So, would ibv_reg_mr work with physical memory if run from a kernel module? (or
would something else have to be used instead). I have no requirement that this
run in userspace.
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
prev parent reply other threads:[~2010-11-26 14:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-22 18:28 Problem Pinning Physical Memory Brian
[not found] ` <loom.20101122T192618-795-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2010-11-24 13:55 ` Eli Cohen
2010-11-24 17:42 ` Jason Gunthorpe
[not found] ` <20101124174245.GA25325-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-11-29 17:10 ` Steve Wise
[not found] ` <4CF3DE7D.4060105-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2010-11-29 17:13 ` Tom Tucker
2010-11-30 15:24 ` Alan Cook
[not found] ` <loom.20101130T160950-109-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2010-11-30 20:26 ` Tom Tucker
2010-12-01 15:30 ` Alan Cook
[not found] ` <loom.20101201T162410-279-eS7Uydv5nfjZ+VzJOa5vwg@public.gmane.org>
2010-12-02 7:19 ` Or Gerlitz
[not found] ` <4CF7487C.3080209-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2010-12-02 16:09 ` Alan Cook
2010-11-26 14:08 ` Brian [this message]
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=loom.20101126T150517-203@post.gmane.org \
--to=balexander-osxm6ddznbbzx8iatjs59jgjjy/sre9j@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.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