From: "Jan Beulich" <JBeulich@suse.com>
To: xen-devel <xen-devel@lists.xenproject.org>
Cc: Kevin Tian <kevin.tian@intel.com>, Keir Fraser <keir@xen.org>,
Suravee Suthikulanit <suravee.suthikulpanit@amd.com>,
George Dunlap <george.dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
dario.faggioli@citrix.com, Jun Nakajima <jun.nakajima@intel.com>,
Quan Xu <quan.xu@intel.com>
Subject: Re: [PATCH v7 02/11] IOMMU/MMU: enhance the call trees of IOMMU unmapping and mapping
Date: Fri, 10 Jun 2016 00:56:14 -0600 [thread overview]
Message-ID: <575A80AE02000078000F3D4A@prv-mh.provo.novell.com> (raw)
In-Reply-To: <421857ad-4f6b-e99c-1e81-034b19effdfb@amd.com>
>>> On 09.06.16 at 20:37, <suravee.suthikulpanit@amd.com> wrote:
> On 6/8/2016 9:53 AM, Jan Beulich wrote:
>> diff --git a/xen/drivers/passthrough/amd/pci_amd_iommu.c
>>> b/xen/drivers/passthrough/amd/pci_amd_iommu.c
>>> index fce9827..4a860af 100644
>>> --- a/xen/drivers/passthrough/amd/pci_amd_iommu.c
>>> +++ b/xen/drivers/passthrough/amd/pci_amd_iommu.c
>>> @@ -282,6 +282,8 @@ static void __hwdom_init amd_iommu_hwdom_init(struct
>>> domain *d)
>>>
>>> if ( !iommu_passthrough && !need_iommu(d) )
>>> {
>>> + int rc = 0;
>>> +
>>> /* Set up 1:1 page table for dom0 */
>>> for ( i = 0; i < max_pdx; i++ )
>>> {
>>> @@ -292,12 +294,21 @@ static void __hwdom_init amd_iommu_hwdom_init(struct
>>> domain *d)
>>> * a pfn_valid() check would seem desirable here.
>>> */
>>> if ( mfn_valid(pfn) )
>>> - amd_iommu_map_page(d, pfn, pfn,
>>> - IOMMUF_readable|IOMMUF_writable);
>>> + {
>>> + int ret = amd_iommu_map_page(d, pfn, pfn,
>>> +
>>> IOMMUF_readable|IOMMUF_writable);
>>> +
>>> + if ( !rc )
>>> + rc = ret;
>>> + }
>>>
>>> if ( !(i & 0xfffff) )
>>> process_pending_softirqs();
>>> }
>>> +
>>> + if ( rc )
>>> + AMD_IOMMU_DEBUG("d%d: IOMMU mapping failed: %d\n",
>>> + d->domain_id, rc);
>>> }
>>>
>>> for_each_amd_iommu ( iommu )
>
> Reviewed-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
For the record to the list, since it had got dropped for an unknown
reason.
Jan
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next prev parent reply other threads:[~2016-06-10 6:56 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-08 8:58 [PATCH v7 00/11] Check VT-d Device-TLB flush error Xu, Quan
2016-06-08 8:58 ` [PATCH v7 01/11] IOMMU: handle IOMMU mapping and unmapping failures Xu, Quan
2016-06-08 8:58 ` [PATCH v7 02/11] IOMMU/MMU: enhance the call trees of IOMMU unmapping and mapping Xu, Quan
2016-06-08 14:40 ` Jan Beulich
[not found] ` <57584D8602000078000F32D0@prv-mh.provo.novell.com>
[not found] ` <421857ad-4f6b-e99c-1e81-034b19effdfb@amd.com>
2016-06-10 6:56 ` Jan Beulich [this message]
2016-06-12 6:41 ` Tian, Kevin
2016-06-08 8:58 ` [PATCH v7 03/11] IOMMU: propagate IOMMU Device-TLB flush error up to IOMMU unmapping (top level ones) Xu, Quan
2016-06-08 14:42 ` Jan Beulich
2016-06-08 14:54 ` Jan Beulich
2016-06-09 19:30 ` Suravee Suthikulanit
2016-06-09 10:28 ` Julien Grall
2016-06-08 8:58 ` [PATCH v7 04/11] IOMMU: propagate IOMMU Device-TLB flush error up to IOMMU mapping " Xu, Quan
2016-06-08 14:43 ` Jan Beulich
2016-06-09 18:45 ` Suravee Suthikulanit
2016-06-09 10:30 ` Julien Grall
2016-06-08 8:58 ` [PATCH v7 05/11] IOMMU/MMU: propagate IOMMU Device-TLB flush error up to iommu_iotlb_flush{, _all} " Xu, Quan
2016-06-09 11:12 ` Julien Grall
2016-06-09 11:45 ` Jan Beulich
2016-06-09 12:03 ` Julien Grall
2016-06-09 12:08 ` Julien Grall
2016-06-09 12:15 ` Jan Beulich
2016-06-09 12:24 ` Julien Grall
2016-06-09 12:32 ` Jan Beulich
2016-06-09 12:39 ` Julien Grall
2016-06-12 6:55 ` Tian, Kevin
2016-06-12 7:02 ` Xu, Quan
2016-06-12 15:35 ` Julien Grall
2016-06-09 12:14 ` Jan Beulich
2016-06-12 6:46 ` Tian, Kevin
2016-06-08 8:58 ` [PATCH v7 06/11] propagate IOMMU Device-TLB flush error up to EPT update " Xu, Quan
2016-06-08 8:59 ` [PATCH v7 07/11] IOMMU: propagate IOMMU Device-TLB flush error up to IOMMU suspending " Xu, Quan
2016-06-08 14:51 ` Jan Beulich
2016-06-12 7:42 ` Xu, Quan
2016-06-13 9:25 ` Jan Beulich
2016-06-09 18:58 ` Suravee Suthikulanit
2016-06-12 6:58 ` Tian, Kevin
2016-06-08 8:59 ` [PATCH v7 08/11] IOMMU: propagate IOMMU Device-TLB flush error (leaf ones) Xu, Quan
2016-06-08 8:59 ` [PATCH v7 09/11] vt-d: fix the IOMMU flush issue Xu, Quan
2016-06-12 7:32 ` Tian, Kevin
2016-06-12 9:27 ` Xu, Quan
2016-06-13 8:50 ` Xu, Quan
2016-06-08 8:59 ` [PATCH v7 10/11] vt-d: propagate the IOMMU Device-TLB flush error up to ME phantom functions Xu, Quan
2016-06-12 7:34 ` Tian, Kevin
2016-06-08 8:59 ` [PATCH v7 11/11] vt-d: add __must_check annotation to IOMMU flush pointers and handlers Xu, Quan
2016-06-12 7:35 ` Tian, Kevin
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