From: "Jan Beulich" <JBeulich@suse.com>
To: Quan Xu <quan.xu@intel.com>
Cc: dario.faggioli@citrix.com, feng.wu@intel.com,
kevin.tian@intel.com, xen-devel@lists.xen.org
Subject: Re: [PATCH v7 2/2] VT-d: Fix vt-d Device-TLB flush timeout issue
Date: Fri, 18 Mar 2016 05:18:40 -0600 [thread overview]
Message-ID: <56EBF22002000078000DE4C9@prv-mh.provo.novell.com> (raw)
In-Reply-To: <1458198767-61293-3-git-send-email-quan.xu@intel.com>
>>> On 17.03.16 at 08:12, <quan.xu@intel.com> wrote:
> --- a/xen/drivers/passthrough/vtd/qinval.c
> +++ b/xen/drivers/passthrough/vtd/qinval.c
> @@ -233,6 +233,57 @@ int qinval_device_iotlb(struct iommu *iommu,
> return 0;
> }
>
> +static void dev_invalidate_iotlb_timeout(struct iommu *iommu, u16 did,
> + u16 seg, u8 bus, u8 devfn)
> +{
> + struct domain *d = NULL;
> + struct pci_dev *pdev;
> +
> + if ( test_bit(did, iommu->domid_bitmap) )
> + d = rcu_lock_domain_by_id(iommu->domid_map[did]);
> +
> + if ( d == NULL )
> + return;
> +
> + pcidevs_lock();
> + for_each_pdev(d, pdev)
Blank line please between these two, for symmetry with ...
> + {
> + if ( ( pdev->seg == seg ) &&
> + ( pdev->bus == bus ) &&
> + ( pdev->devfn == devfn ) )
> + {
> + ASSERT ( pdev->domain );
> + list_del(&pdev->domain_list);
> + pdev->domain = NULL;
> + pci_hide_existing_device(pdev);
> + break;
> + }
> + }
> +
> + pcidevs_unlock();
... this.
I assume you're aware that there's pending feedback from Kevin
which you didn't reply to so far. Of course there's no need for a
reply if you mean to address/incorporate in v8 everything he said.
Jan
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next prev parent reply other threads:[~2016-03-18 11:18 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-17 7:12 [PATCH v7 0/2] VT-d Device-TLB flush issue Quan Xu
2016-03-17 7:12 ` [PATCH v7 1/2] VT-d: Reduce spin timeout to 1ms, which can be boot-time changed Quan Xu
2016-03-17 7:45 ` Tian, Kevin
2016-03-17 8:11 ` Xu, Quan
2016-03-17 8:13 ` Jan Beulich
2016-03-17 8:17 ` Xu, Quan
2016-03-17 7:12 ` [PATCH v7 2/2] VT-d: Fix vt-d Device-TLB flush timeout issue Quan Xu
2016-03-17 8:17 ` Tian, Kevin
2016-03-17 9:43 ` Jan Beulich
2016-03-17 11:13 ` Tian, Kevin
2016-03-17 11:30 ` Xu, Quan
2016-03-17 11:32 ` Tian, Kevin
2016-03-17 11:33 ` Jan Beulich
2016-03-18 12:21 ` Xu, Quan
2016-03-21 3:27 ` Tian, Kevin
2016-03-23 2:12 ` Xu, Quan
2016-03-23 3:29 ` Xu, Quan
2016-03-23 5:36 ` Tian, Kevin
2016-03-23 5:39 ` Xu, Quan
2016-03-18 11:18 ` Jan Beulich [this message]
2016-03-18 11:31 ` Xu, Quan
2016-03-18 13:35 ` Jan Beulich
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