From: Joerg Roedel <joro@8bytes.org>
To: Olof Johansson <olof@lixom.net>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] iommu: Add config option to set passthrough as default
Date: Fri, 20 Jul 2018 14:16:19 +0200 [thread overview]
Message-ID: <20180720121619.pqrgth4zxdj7zjym@8bytes.org> (raw)
In-Reply-To: <20180711205936.18614-1-olof@lixom.net>
Hi Olof,
On Wed, Jul 11, 2018 at 01:59:35PM -0700, Olof Johansson wrote:
> +config IOMMU_DEFAULT_PASSTHROUGH
> + bool "IOMMU passthrough by default"
> + depends on IOMMU_API
> + help
> + Enable passthrough by default (removing the need to pass in
> + iommu.passthrough=on through command line). If this is enabled,
> + you can still disable with iommu.passthrough=off
> +
> + If unsure, say N here.
> +
The patch is a good start, but the description above indicates that it
affects all IOMMU driver, which it does not. Please make the Intel and
AMD IOMMU drivers also take this option into account.
Joerg
next prev parent reply other threads:[~2018-07-20 12:16 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-11 20:59 Olof Johansson
2018-07-11 20:59 ` [PATCH 2/2] iommu: add sysfs attribyte for domain type Olof Johansson
2018-07-12 2:04 ` [PATCH 1/2] iommu: Add config option to set passthrough as default Yang, Shunyong
2018-07-20 12:16 ` Joerg Roedel [this message]
2018-07-20 17:37 ` Olof Johansson
2018-07-20 18:02 ` [PATCH] " Olof Johansson
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=20180720121619.pqrgth4zxdj7zjym@8bytes.org \
--to=joro@8bytes.org \
--cc=iommu@lists.linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=olof@lixom.net \
/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
Powered by JetHome