LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Alex Williamson <alex.williamson@redhat.com>
To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
	Joerg Roedel <joro@8bytes.org>,
	kevin.tian@intel.com, ashok.raj@intel.com, dima@arista.com,
	tmurphy@arista.com, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org, jacob.jun.pan@intel.com
Subject: Re: [PATCH v4 12/15] iommu/vt-d: Cleanup get_valid_domain_for_dev()
Date: Fri, 19 Jul 2019 09:23:03 -0600	[thread overview]
Message-ID: <20190719092303.751659a0@x1.home> (raw)
In-Reply-To: <9957afdd-4075-e7ee-e1e6-97acb870e17a@linux.intel.com>

On Fri, 19 Jul 2019 17:04:26 +0800
Lu Baolu <baolu.lu@linux.intel.com> wrote:

> Hi Alex,
> 
> On 7/18/19 11:12 AM, Alex Williamson wrote:
> > On Sat, 25 May 2019 13:41:33 +0800
> > Lu Baolu <baolu.lu@linux.intel.com> wrote:
> >   
> >> Previously, get_valid_domain_for_dev() is used to retrieve the
> >> DMA domain which has been attached to the device or allocate one
> >> if no domain has been attached yet. As we have delegated the DMA
> >> domain management to upper layer, this function is used purely to
> >> allocate a private DMA domain if the default domain doesn't work
> >> for ths device. Cleanup the code for readability.
> >>
> >> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> >> ---
> >>   drivers/iommu/intel-iommu.c | 18 ++++++++----------
> >>   include/linux/intel-iommu.h |  1 -
> >>   2 files changed, 8 insertions(+), 11 deletions(-)  
> > 
> > System fails to boot bisected to this commit:  
> 
> Is this the same issue as this https://lkml.org/lkml/2019/7/18/840?

Yes, the above link is after bisecting with all the bugs and fixes
squashed together to avoid landing in local bugs.  Thanks,

Alex

  reply	other threads:[~2019-07-19 15:23 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-25  5:41 [PATCH v4 00/15] iommu/vt-d: Delegate DMA domain to generic iommu Lu Baolu
2019-05-25  5:41 ` [PATCH v4 01/15] iommu: Add API to request DMA domain for device Lu Baolu
2019-05-25  5:41 ` [PATCH v4 02/15] iommu/vt-d: Implement apply_resv_region iommu ops entry Lu Baolu
2019-05-25  5:41 ` [PATCH v4 03/15] iommu/vt-d: Expose ISA direct mapping region via iommu_get_resv_regions Lu Baolu
2019-05-25  5:41 ` [PATCH v4 04/15] iommu/vt-d: Enable DMA remapping after rmrr mapped Lu Baolu
2019-05-25  5:41 ` [PATCH v4 05/15] iommu/vt-d: Add device_def_domain_type() helper Lu Baolu
2019-05-25  5:41 ` [PATCH v4 06/15] iommu/vt-d: Delegate the identity domain to upper layer Lu Baolu
2019-05-25  5:41 ` [PATCH v4 07/15] iommu/vt-d: Delegate the dma " Lu Baolu
2020-08-21 18:33   ` Chris Wilson
2020-08-24  6:31     ` Lu Baolu
2020-08-24  8:35       ` Chris Wilson
2020-08-25  3:13         ` Lu Baolu
2019-05-25  5:41 ` [PATCH v4 08/15] iommu/vt-d: Identify default domains replaced with private Lu Baolu
2019-05-25  5:41 ` [PATCH v4 09/15] iommu/vt-d: Handle 32bit device with identity default domain Lu Baolu
2019-05-25  5:41 ` [PATCH v4 10/15] iommu/vt-d: Probe DMA-capable ACPI name space devices Lu Baolu
2019-05-29  6:16   ` Christoph Hellwig
2019-06-03  0:35     ` Lu Baolu
2019-05-25  5:41 ` [PATCH v4 11/15] iommu/vt-d: Implement is_attach_deferred iommu ops entry Lu Baolu
2019-05-25  5:41 ` [PATCH v4 12/15] iommu/vt-d: Cleanup get_valid_domain_for_dev() Lu Baolu
2019-07-18  3:12   ` Alex Williamson
2019-07-19  9:04     ` Lu Baolu
2019-07-19 15:23       ` Alex Williamson [this message]
2019-08-02  1:30         ` Alex Williamson
2019-08-02  7:17           ` Lu Baolu
2019-08-02 16:54             ` Alex Williamson
2019-08-04  3:16               ` Lu Baolu
2019-08-06  0:06               ` Lu Baolu
2019-05-25  5:41 ` [PATCH v4 13/15] iommu/vt-d: Remove startup parameter from device_def_domain_type() Lu Baolu
2019-05-25  5:41 ` [PATCH v4 14/15] iommu/vt-d: Remove duplicated code for device hotplug Lu Baolu
2019-05-25  5:41 ` [PATCH v4 15/15] iommu/vt-d: Remove static identity map code Lu Baolu
2019-05-27 15:00 ` [PATCH v4 00/15] iommu/vt-d: Delegate DMA domain to generic iommu 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=20190719092303.751659a0@x1.home \
    --to=alex.williamson@redhat.com \
    --cc=ashok.raj@intel.com \
    --cc=baolu.lu@linux.intel.com \
    --cc=dima@arista.com \
    --cc=dwmw2@infradead.org \
    --cc=iommu@lists.linux-foundation.org \
    --cc=jacob.jun.pan@intel.com \
    --cc=joro@8bytes.org \
    --cc=kevin.tian@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=tmurphy@arista.com \
    --subject='Re: [PATCH v4 12/15] iommu/vt-d: Cleanup get_valid_domain_for_dev()' \
    /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

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).