lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 11 Jul 2014 14:19:25 +0800 From: Jiang Liu <jiang.liu@...ux.intel.com> To: Joerg Roedel <joro@...tes.org>, David Woodhouse <dwmw2@...radead.org>, Yinghai Lu <yinghai@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, Dan Williams <dan.j.williams@...el.com>, Vinod Koul <vinod.koul@...el.com>, "Rafael J . Wysocki" <rafael.j.wysocki@...el.com> Cc: Jiang Liu <jiang.liu@...ux.intel.com>, Ashok Raj <ashok.raj@...el.com>, Yijing Wang <wangyijing@...wei.com>, Tony Luck <tony.luck@...el.com>, iommu@...ts.linux-foundation.org, linux-pci@...r.kernel.org, linux-hotplug@...r.kernel.org, linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org Subject: [Patch Part3 V4 01/21] iommu/vt-d: Match segment number when searching for dev_iotlb capable devices For virtual machine and static identity domains, there may be devices from different PCI segments associated with the same domain. So function iommu_support_dev_iotlb() should also match PCI segment number (iommu unit) when searching for dev_iotlb capable devices. Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com> --- drivers/iommu/intel-iommu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 3664d0d00338..147ab1c0b573 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1272,7 +1272,8 @@ iommu_support_dev_iotlb (struct dmar_domain *domain, struct intel_iommu *iommu, spin_lock_irqsave(&device_domain_lock, flags); list_for_each_entry(info, &domain->devices, link) - if (info->bus == bus && info->devfn == devfn) { + if (info->iommu == iommu && info->bus == bus && + info->devfn == devfn) { found = 1; break; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists