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H A D | ppt.c | 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp 920bc340 Thu Nov 22 04:07:18 GMT 2012 Neel Natu <neel@FreeBSD.org> Fix a bug in the MSI-X resource allocation for PCI passthrough devices.
In the case where the underlying host had disabled MSI-X via the "hw.pci.enable_msix" tunable, the ppt_setup_msix() function would fail and return an error without properly cleaning up. This in turn would cause a page fault on the next boot of the guest.
Fix this by calling ppt_teardown_msix() in all the error return paths.
Obtained from: NetApp
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