public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Joerg Roedel <joro@8bytes.org>
To: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	Joerg Roedel <jroedel@suse.de>
Subject: Re: [PATCH v2] iommu/amd: Fix interrupt remapping when disable guest_mode
Date: Wed, 28 Jun 2017 11:07:13 +0200	[thread overview]
Message-ID: <20170628090713.GC14532@8bytes.org> (raw)
In-Reply-To: <1498469284-85652-1-git-send-email-suravee.suthikulpanit@amd.com>

Hi Suravee,

On Mon, Jun 26, 2017 at 04:28:04AM -0500, Suravee Suthikulpanit wrote:
> Pass-through devices to VM guest can get updated IRQ affinity
> information via irq_set_affinity() when not running in guest mode.
> Currently, AMD IOMMU driver in GA mode ignores the updated information
> if the pass-through device is setup to use vAPIC regardless of guest_mode.
> This could cause invalid interrupt remapping.
> 
> Also, the guest_mode bit should be set and cleared only when
> SVM updates posted-interrupt interrupt remapping information.
> 
> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
> Cc: Joerg Roedel <jroedel@suse.de>

Can you please provide a 'Fixes:' tag too? No need to resend the whole
patch, just reply with the tag and I'll add it when applying this patch.


Thanks,

	Joerg

  reply	other threads:[~2017-06-28  9:07 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-26  9:28 [PATCH v2] iommu/amd: Fix interrupt remapping when disable guest_mode Suravee Suthikulpanit
2017-06-28  9:07 ` Joerg Roedel [this message]
2017-06-28 12:44 ` Joerg Roedel
2017-06-29  3:27   ` 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=20170628090713.GC14532@8bytes.org \
    --to=joro@8bytes.org \
    --cc=iommu@lists.linux-foundation.org \
    --cc=jroedel@suse.de \
    --cc=linux-kernel@vger.kernel.org \
    --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