diff options
Diffstat (limited to 'system/xen/xsa/xsa237-4.9-0001-x86-dont-allow-MSI-pIRQ-mapping-on-unowned-device.patch')
| -rw-r--r-- | system/xen/xsa/xsa237-4.9-0001-x86-dont-allow-MSI-pIRQ-mapping-on-unowned-device.patch | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/system/xen/xsa/xsa237-4.9-0001-x86-dont-allow-MSI-pIRQ-mapping-on-unowned-device.patch b/system/xen/xsa/xsa237-4.9-0001-x86-dont-allow-MSI-pIRQ-mapping-on-unowned-device.patch deleted file mode 100644 index 7c9dff9672..0000000000 --- a/system/xen/xsa/xsa237-4.9-0001-x86-dont-allow-MSI-pIRQ-mapping-on-unowned-device.patch +++ /dev/null @@ -1,27 +0,0 @@ -From: Jan Beulich <jbeulich@suse.com> -Subject: x86: don't allow MSI pIRQ mapping on unowned device - -MSI setup should be permitted only for existing devices owned by the -respective guest (the operation may still be carried out by the domain -controlling that guest). - -This is part of XSA-237. - -Reported-by: HW42 <hw42@ipsumj.de> -Signed-off-by: Jan Beulich <jbeulich@suse.com> -Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com> - ---- a/xen/arch/x86/irq.c -+++ b/xen/arch/x86/irq.c -@@ -1963,7 +1963,10 @@ int map_domain_pirq( - if ( !cpu_has_apic ) - goto done; - -- pdev = pci_get_pdev(msi->seg, msi->bus, msi->devfn); -+ pdev = pci_get_pdev_by_domain(d, msi->seg, msi->bus, msi->devfn); -+ if ( !pdev ) -+ goto done; -+ - ret = pci_enable_msi(msi, &msi_desc); - if ( ret ) - { |