From: Jerry Snitselaar <jsnitsel@redhat.com>
To: Joerg Roedel <joro@8bytes.org>
Cc: Filippo Sironi <sironi@amazon.de>,
iommu@lists.linux-foundation.org, jroedel@suse.de
Subject: Re: [PATCH 0/6] iommu/amd: Locking Fixes
Date: Wed, 25 Sep 2019 17:25:15 -0700
Message-ID: <20190926002515.3xjm3fb6z42dfhar@cantor> (raw)
In-Reply-To: <20190925132300.3038-1-joro@8bytes.org>
On Wed Sep 25 19, Joerg Roedel wrote:
>Hi,
>
>here are a couple of fixes for the amd iommu driver to fix a
>few locking issues around protection-domains. Main problem
>was that some traversals of ->dev_list were not locked in
>any form, causing potential race conditions.
>
>But there are more issues fixed here, for example the racy
>access to protection_domain->updated and races in the
>attach/detach_device code paths.
>
>Changes are boot-tested with lockdep enabled, looked all
>good so far.
>
>Please review.
>
>Thanks,
>
> Joerg
>
>Joerg Roedel (6):
> iommu/amd: Remove domain->updated
> iommu/amd: Remove amd_iommu_devtable_lock
> iommu/amd: Take domain->lock for complete attach/detach path
> iommu/amd: Check for busy devices earlier in attach_device()
> iommu/amd: Lock dev_data in attach/detach code paths
> iommu/amd: Lock code paths traversing protection_domain->dev_list
>
> drivers/iommu/amd_iommu.c | 166 ++++++++++++++++----------------
> drivers/iommu/amd_iommu_types.h | 4 +-
> 2 files changed, 85 insertions(+), 85 deletions(-)
>
>--
>2.17.1
>
>_______________________________________________
>iommu mailing list
>iommu@lists.linux-foundation.org
>https://lists.linuxfoundation.org/mailman/listinfo/iommu
Hi Joerg,
What branch is this on top of in your repo?
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply index
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 13:22 Joerg Roedel
2019-09-25 13:22 ` [PATCH 1/6] iommu/amd: Remove domain->updated Joerg Roedel
2019-09-25 15:45 ` Sironi, Filippo via iommu
2019-09-26 6:18 ` Jerry Snitselaar
2019-09-25 13:22 ` [PATCH 2/6] iommu/amd: Remove amd_iommu_devtable_lock Joerg Roedel
2019-09-25 15:50 ` Sironi, Filippo via iommu
2019-09-25 15:52 ` Sironi, Filippo via iommu
2019-09-26 6:24 ` Jerry Snitselaar
2019-09-25 13:22 ` [PATCH 3/6] iommu/amd: Take domain->lock for complete attach/detach path Joerg Roedel
2019-09-25 15:53 ` Sironi, Filippo via iommu
2019-09-26 6:34 ` Jerry Snitselaar
2019-09-25 13:22 ` [PATCH 4/6] iommu/amd: Check for busy devices earlier in attach_device() Joerg Roedel
2019-09-25 15:55 ` Sironi, Filippo via iommu
2019-09-26 6:37 ` Jerry Snitselaar
2019-09-25 13:22 ` [PATCH 5/6] iommu/amd: Lock dev_data in attach/detach code paths Joerg Roedel
2019-09-25 15:56 ` Sironi, Filippo via iommu
2019-09-26 6:41 ` Jerry Snitselaar
2019-09-25 13:23 ` [PATCH 6/6] iommu/amd: Lock code paths traversing protection_domain->dev_list Joerg Roedel
2019-09-25 15:58 ` Sironi, Filippo via iommu
2019-09-26 6:48 ` Jerry Snitselaar
2019-09-26 0:25 ` Jerry Snitselaar [this message]
2019-09-26 5:46 ` [PATCH 0/6] iommu/amd: Locking Fixes Joerg Roedel
Reply instructions:
You may reply publically 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=20190926002515.3xjm3fb6z42dfhar@cantor \
--to=jsnitsel@redhat.com \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=jroedel@suse.de \
--cc=sironi@amazon.de \
/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
IOMMU Archive on lore.kernel.org
Archives are clonable:
git clone --mirror https://lore.kernel.org/linux-iommu/0 linux-iommu/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 linux-iommu linux-iommu/ https://lore.kernel.org/linux-iommu \
iommu@lists.linux-foundation.org
public-inbox-index linux-iommu
Example config snippet for mirrors
Newsgroup available over NNTP:
nntp://nntp.lore.kernel.org/org.linux-foundation.lists.iommu
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git