2010-08-01 17:25:18 +02:00
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# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1277739919 -3600
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# Node ID 059a12afce52a213db56bd8e9442d9eeadfdd34c
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# Parent 7e46fdbe8a1187cee2ab609256300d7967f37f06
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vtd: Only kill_timer() an init_timer()'ed timer.
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Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
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2010-09-28 00:07:21 +02:00
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Index: xen-4.0.1-testing/xen/drivers/passthrough/io.c
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===================================================================
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--- xen-4.0.1-testing.orig/xen/drivers/passthrough/io.c
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+++ xen-4.0.1-testing/xen/drivers/passthrough/io.c
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2010-08-01 17:25:18 +02:00
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@@ -27,7 +27,7 @@
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static void hvm_dirq_assist(unsigned long _d);
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-static int pt_irq_need_timer(uint32_t flags)
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+bool_t pt_irq_need_timer(uint32_t flags)
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{
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return !(flags & (HVM_IRQ_DPCI_GUEST_MSI | HVM_IRQ_DPCI_TRANSLATE));
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}
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2010-09-28 00:07:21 +02:00
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Index: xen-4.0.1-testing/xen/drivers/passthrough/pci.c
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===================================================================
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--- xen-4.0.1-testing.orig/xen/drivers/passthrough/pci.c
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+++ xen-4.0.1-testing/xen/drivers/passthrough/pci.c
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2010-08-01 17:25:18 +02:00
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@@ -257,7 +257,9 @@ static void pci_clean_dpci_irqs(struct d
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i = find_next_bit(hvm_irq_dpci->mapping, d->nr_pirqs, i + 1) )
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{
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pirq_guest_unbind(d, i);
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- kill_timer(&hvm_irq_dpci->hvm_timer[domain_pirq_to_irq(d, i)]);
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+
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+ if ( pt_irq_need_timer(hvm_irq_dpci->mirq[i].flags) )
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+ kill_timer(&hvm_irq_dpci->hvm_timer[domain_pirq_to_irq(d, i)]);
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list_for_each_safe ( digl_list, tmp,
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&hvm_irq_dpci->mirq[i].digl_list )
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2010-09-28 00:07:21 +02:00
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Index: xen-4.0.1-testing/xen/include/xen/iommu.h
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===================================================================
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--- xen-4.0.1-testing.orig/xen/include/xen/iommu.h
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+++ xen-4.0.1-testing/xen/include/xen/iommu.h
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@@ -103,6 +103,7 @@ void hvm_dpci_isairq_eoi(struct domain *
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2010-08-01 17:25:18 +02:00
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struct hvm_irq_dpci *domain_get_irq_dpci(struct domain *domain);
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int domain_set_irq_dpci(struct domain *domain, struct hvm_irq_dpci *dpci);
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void free_hvm_irq_dpci(struct hvm_irq_dpci *dpci);
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+bool_t pt_irq_need_timer(uint32_t flags);
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#define PT_IRQ_TIME_OUT MILLISECS(8)
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#define VTDPREFIX "[VT-D]"
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