From: "Raj, Ashok" <ashok.raj@intel.com>
To: Bjorn Helgaas <helgaas@kernel.org>
Cc: Joerg Roedel <joro@8bytes.org>,
linux-pci@vger.kernel.org, iommu@lists.linux-foundation.org,
David Woodhouse <dwmw2@infradead.org>,
linux-kernel@vger.kernel.org, rwright@hpe.com,
ashok.raj@intel.com
Subject: Re: possible dmar_init_reserved_ranges() error
Date: Thu, 22 Dec 2016 15:45:08 -0800 [thread overview]
Message-ID: <20161222234508.GA20924@otc-nc-03> (raw)
In-Reply-To: <20161222233238.GA20861@otc-nc-03>
Hi Bjorn
None in the platform group say they know about this. So i'm fairly sure
we don't do that on Intel hardware (x86).
I'm not sure about the usage, it appears maybe it was a hack
pre-virtualization for some direct access? (just wild guessing)
On Thu, Dec 22, 2016 at 03:32:38PM -0800, Raj, Ashok wrote:
> Let me check and keep you posted if we have such platforms to make sure if
> we need this considerations for _TRA.
Cheers,
Ashok
next prev parent reply other threads:[~2016-12-22 23:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-19 21:20 possible dmar_init_reserved_ranges() error Bjorn Helgaas
2016-12-22 16:27 ` Joerg Roedel
2016-12-22 20:28 ` Bjorn Helgaas
2016-12-22 23:32 ` Raj, Ashok
2016-12-22 23:45 ` Raj, Ashok [this message]
2016-12-23 0:48 ` Bjorn Helgaas
2016-12-23 10:35 ` Joerg Roedel
2016-12-27 23:44 ` Bjorn Helgaas
2016-12-28 3:21 ` Raj, Ashok
2017-01-04 14:39 ` Joerg Roedel
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=20161222234508.GA20924@otc-nc-03 \
--to=ashok.raj@intel.com \
--cc=dwmw2@infradead.org \
--cc=helgaas@kernel.org \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=rwright@hpe.com \
/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).