Sign Up
Log In
Log In
or
Sign Up
Places
All Projects
Status Monitor
Collapse sidebar
SUSE:SLE-12-SP3:GA
xen.8425
59df6182-x86-dont-allow-MSI-pIRQ-mapping-on-uno...
Overview
Repositories
Revisions
Requests
Users
Attributes
Meta
File 59df6182-x86-dont-allow-MSI-pIRQ-mapping-on-unowned-device.patch of Package xen.8425
# Commit 3308374b1be7d43e23bd2e9eaf23ec06d7959882 # Date 2017-10-12 14:35:14 +0200 # Author Jan Beulich <jbeulich@suse.com> # Committer Jan Beulich <jbeulich@suse.com> 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 @@ -1958,7 +1958,10 @@ 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 ) {
Locations
Projects
Search
Status Monitor
Help
OpenBuildService.org
Documentation
API Documentation
Code of Conduct
Contact
Support
@OBShq
Terms
openSUSE Build Service is sponsored by
The Open Build Service is an
openSUSE project
.
Sign Up
Log In
Places
Places
All Projects
Status Monitor
