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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-10-09 11:14:52 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-10-09 11:14:52 +0100 |
| commit | cdb9a3d55985ae317f78f147dd3af5c02c564caf (patch) | |
| tree | 139075c762de9af2e7346145118c0117c1eac1fb /xen/arch/x86/hvm/vmsi.c | |
| parent | 7ae8a1e482744619d6f4b93d67a044523099eae7 (diff) | |
| download | xen-cdb9a3d55985ae317f78f147dd3af5c02c564caf.tar.gz xen-cdb9a3d55985ae317f78f147dd3af5c02c564caf.tar.bz2 xen-cdb9a3d55985ae317f78f147dd3af5c02c564caf.zip | |
Fix lock issue for hvm pass-through domain
This patch protect the hvm_irq_dpci structure with evtchn_lock, thus
the access to domain's pirq_vector mapping is also protected.
Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>
Diffstat (limited to 'xen/arch/x86/hvm/vmsi.c')
| -rw-r--r-- | xen/arch/x86/hvm/vmsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/hvm/vmsi.c b/xen/arch/x86/hvm/vmsi.c index d6ad008f4a..6eefb61bfa 100644 --- a/xen/arch/x86/hvm/vmsi.c +++ b/xen/arch/x86/hvm/vmsi.c @@ -134,7 +134,7 @@ int vmsi_deliver(struct domain *d, int pirq) "vector=%x trig_mode=%x\n", dest, dest_mode, delivery_mode, vector, trig_mode); - if ( !(hvm_irq_dpci->mirq[pirq].flags & HVM_IRQ_DPCI_MSI) ) + if ( !test_bit(_HVM_IRQ_DPCI_MSI, &hvm_irq_dpci->mirq[pirq].flags) ) { gdprintk(XENLOG_WARNING, "pirq %x not msi \n", pirq); return 0; |