From: Joao Martins <joao.m.martins@oracle.com>
To: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
joro@8bytes.org, sean.m.osborne@oracle.com,
james.puthukattukaran@oracle.com, boris.ostrovsky@oracle.com,
jon.grimm@amd.com
Subject: Re: [PATCH 1/2] iommu: amd: Restore IRTE.RemapEn bit after programming IRTE
Date: Wed, 2 Sep 2020 16:26:36 +0100 [thread overview]
Message-ID: <f38b77db-fbb2-bcab-56ef-9d23a368533b@oracle.com> (raw)
In-Reply-To: <20200902045110.4679-2-suravee.suthikulpanit@amd.com>
On 9/2/20 5:51 AM, Suravee Suthikulpanit wrote:
> Currently, the RemapEn (valid) bit is accidentally cleared when
> programming IRTE w/ guestMode=0. It should be restored to
> the prior state.
>
Probably requires:
Fixes: b9fc6b56f478 ("iommu/amd: Implements irq_set_vcpu_affinity() hook to setup vapic
mode for pass-through devices")
?
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
FWIW,
Reviewed-by: Joao Martins <joao.m.martins@oracle.com>
next prev parent reply other threads:[~2020-09-02 15:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 4:51 [PATCH 0/2] iommu: amd: Fix intremap IO_PAGE_FAULT for VMs Suravee Suthikulpanit
2020-09-02 4:51 ` [PATCH 1/2] iommu: amd: Restore IRTE.RemapEn bit after programming IRTE Suravee Suthikulpanit
2020-09-02 15:26 ` Joao Martins [this message]
2020-09-02 4:51 ` [PATCH 2/2] iommu: amd: Use cmpxchg_double() when updating 128-bit IRTE Suravee Suthikulpanit
2020-09-02 15:26 ` Joao Martins
2020-09-03 8:14 ` Suravee Suthikulpanit
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=f38b77db-fbb2-bcab-56ef-9d23a368533b@oracle.com \
--to=joao.m.martins@oracle.com \
--cc=boris.ostrovsky@oracle.com \
--cc=iommu@lists.linux-foundation.org \
--cc=james.puthukattukaran@oracle.com \
--cc=jon.grimm@amd.com \
--cc=joro@8bytes.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sean.m.osborne@oracle.com \
--cc=suravee.suthikulpanit@amd.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
all inboxes | Powered by JetHome®