From: Bjorn Helgaas <bhelgaas@google.com>
To: Wei Yang <weiyang@linux.vnet.ibm.com>
Cc: benh@au1.ibm.com, gwshan@linux.vnet.ibm.com,
linux-pci@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V14 14/21] powerpc/powernv: Allocate struct pnv_ioda_pe iommu_table dynamically
Date: Fri, 20 Mar 2015 16:22:46 -0500 [thread overview]
Message-ID: <20150320212246.GM26935@google.com> (raw)
In-Reply-To: <1426820797-6267-15-git-send-email-weiyang@linux.vnet.ibm.com>
On Fri, Mar 20, 2015 at 11:06:30AM +0800, Wei Yang wrote:
> Previously the iommu_table had the same lifetime as a struct pnv_ioda_pe
> and was embedded in it. The pnv_ioda_pe was assigned to a PE on the bootup
> stage. Since PEs are based on the hardware layout which is static in the
> system, they will never get released. This means the iommu_table in the
> pnv_ioda_pe will never get rleased neither.
"will never get released either."
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Helgaas <bhelgaas@google.com>
To: Wei Yang <weiyang@linux.vnet.ibm.com>
Cc: linux-pci@vger.kernel.org, benh@au1.ibm.com,
linuxppc-dev@lists.ozlabs.org, gwshan@linux.vnet.ibm.com
Subject: Re: [PATCH V14 14/21] powerpc/powernv: Allocate struct pnv_ioda_pe iommu_table dynamically
Date: Fri, 20 Mar 2015 16:22:46 -0500 [thread overview]
Message-ID: <20150320212246.GM26935@google.com> (raw)
In-Reply-To: <1426820797-6267-15-git-send-email-weiyang@linux.vnet.ibm.com>
On Fri, Mar 20, 2015 at 11:06:30AM +0800, Wei Yang wrote:
> Previously the iommu_table had the same lifetime as a struct pnv_ioda_pe
> and was embedded in it. The pnv_ioda_pe was assigned to a PE on the bootup
> stage. Since PEs are based on the hardware layout which is static in the
> system, they will never get released. This means the iommu_table in the
> pnv_ioda_pe will never get rleased neither.
"will never get released either."
next prev parent reply other threads:[~2015-03-20 21:22 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-20 3:06 [PATCH V14 00/21] Enable SRIOV on Power8 Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 01/21] powerpc/pci: Refactor pci_dn Wei Yang
2015-03-20 3:06 ` [PATCH V14 02/21] powerpc/powernv: Use pci_dn, not device_node, in PCI config accessor Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 03/21] PCI: Print more info in sriov_enable() error message Wei Yang
2015-03-20 3:06 ` [PATCH V14 04/21] PCI: Print PF SR-IOV resource that contains all VF(n) BAR space Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 05/21] PCI: Keep individual VF BAR size in struct pci_sriov Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 06/21] PCI: Index IOV resources in the conventional style Wei Yang
2015-03-20 3:06 ` [PATCH V14 07/21] PCI: Refresh First VF Offset and VF Stride when updating NumVFs Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 08/21] PCI: Calculate maximum number of buses required for VFs Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 09/21] PCI: Export pci_iov_virtfn_bus() and pci_iov_virtfn_devfn() Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 10/21] PCI: Add pcibios_sriov_enable() and pcibios_sriov_disable() Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 5:46 ` Gavin Shan
2015-03-20 5:46 ` Gavin Shan
2015-03-20 3:06 ` [PATCH V14 11/21] PCI: Add pcibios_iov_resource_alignment() interface Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 12/21] PCI: Consider additional PF's IOV BAR alignment in sizing and assigning Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 13/21] powerpc/pci: Don't unset PCI resources for VFs Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 14/21] powerpc/powernv: Allocate struct pnv_ioda_pe iommu_table dynamically Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 21:22 ` Bjorn Helgaas [this message]
2015-03-20 21:22 ` Bjorn Helgaas
2015-03-20 3:06 ` [PATCH V14 15/21] powerpc/powernv: Reserve additional space for IOV BAR according to the number of total_pe Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 16/21] powerpc/powernv: Implement pcibios_iov_resource_alignment() on powernv Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 17/21] powerpc/powernv: Shift VF resource with an offset Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-23 23:22 ` Daniel Axtens
2015-03-23 23:22 ` Daniel Axtens
2015-03-24 1:54 ` Wei Yang
2015-03-24 1:54 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 18/21] powerpc/powernv: Reserve additional space for IOV BAR, with m64_per_iov supported Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 19/21] powerpc/powernv: Group VF PE when IOV BAR is big on PHB3 Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 20/21] powerpc/pci: Remove unused struct pci_dn.pcidev field Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 3:06 ` [PATCH V14 21/21] powerpc/pci: Add PCI resource alignment documentation Wei Yang
2015-03-20 3:06 ` Wei Yang
2015-03-20 5:43 ` [PATCH V14 00/21] Enable SRIOV on Power8 Gavin Shan
2015-03-20 5:43 ` Gavin Shan
2015-03-20 14:34 ` Bjorn Helgaas
2015-03-20 14:34 ` Bjorn Helgaas
2015-03-20 21:05 ` Benjamin Herrenschmidt
2015-03-20 21:05 ` Benjamin Herrenschmidt
2015-03-20 21:16 ` Bjorn Helgaas
2015-03-20 21:16 ` Bjorn Helgaas
2015-03-20 21:28 ` Benjamin Herrenschmidt
2015-03-20 21:28 ` Benjamin Herrenschmidt
2015-03-20 21:20 ` Bjorn Helgaas
2015-03-20 21:20 ` Bjorn Helgaas
2015-03-20 22:24 ` Wei Yang
2015-03-20 22:24 ` Wei Yang
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