From dec02dea1c159b69aa88cbfe9c89b2b46eadd28f Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Wed, 3 Apr 2013 15:52:50 +0100 Subject: [PATCH] xen: drop tracking of IRQ vector For quite a few Xen versions, this wasn't the IRQ vector anymore anyway, and it is not being used by the kernel for anything. Hence drop the field from struct irq_info, and respective function parameters. Signed-off-by: Jan Beulich Acked-by: Stefano Stabellini Signed-off-by: Konrad Rzeszutek Wilk --- arch/x86/pci/xen.c | 6 +++--- drivers/xen/events.c | 13 ++++--------- include/xen/events.h | 3 +-- 3 files changed, 8 insertions(+), 14 deletions(-) diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 94e76620460f..4a9be6ddf054 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -177,7 +177,7 @@ static int xen_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) goto error; i = 0; list_for_each_entry(msidesc, &dev->msi_list, list) { - irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i], 0, + irq = xen_bind_pirq_msi_to_irq(dev, msidesc, v[i], (type == PCI_CAP_ID_MSIX) ? "pcifront-msi-x" : "pcifront-msi", @@ -244,7 +244,7 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) dev_dbg(&dev->dev, "xen: msi already bound to pirq=%d\n", pirq); } - irq = xen_bind_pirq_msi_to_irq(dev, msidesc, pirq, 0, + irq = xen_bind_pirq_msi_to_irq(dev, msidesc, pirq, (type == PCI_CAP_ID_MSIX) ? "msi-x" : "msi", DOMID_SELF); @@ -326,7 +326,7 @@ static int xen_initdom_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) } ret = xen_bind_pirq_msi_to_irq(dev, msidesc, - map_irq.pirq, map_irq.index, + map_irq.pirq, (type == PCI_CAP_ID_MSIX) ? "msi-x" : "msi", domid); diff --git a/drivers/xen/events.c b/drivers/xen/events.c index aa85881d17b2..bb65f75e40a5 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -85,8 +85,7 @@ enum xen_irq_type { * event channel - irq->event channel mapping * cpu - cpu this event channel is bound to * index - type-specific information: - * PIRQ - vector, with MSB being "needs EIO", or physical IRQ of the HVM - * guest, or GSI (real passthrough IRQ) of the device. + * PIRQ - physical IRQ, GSI, flags, and owner domain * VIRQ - virq number * IPI - IPI vector * EVTCHN - @@ -105,7 +104,6 @@ struct irq_info { struct { unsigned short pirq; unsigned short gsi; - unsigned char vector; unsigned char flags; uint16_t domid; } pirq; @@ -211,7 +209,6 @@ static void xen_irq_info_pirq_init(unsigned irq, unsigned short evtchn, unsigned short pirq, unsigned short gsi, - unsigned short vector, uint16_t domid, unsigned char flags) { @@ -221,7 +218,6 @@ static void xen_irq_info_pirq_init(unsigned irq, info->u.pirq.pirq = pirq; info->u.pirq.gsi = gsi; - info->u.pirq.vector = vector; info->u.pirq.domid = domid; info->u.pirq.flags = flags; } @@ -714,7 +710,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, goto out; } - xen_irq_info_pirq_init(irq, 0, pirq, gsi, irq_op.vector, DOMID_SELF, + xen_irq_info_pirq_init(irq, 0, pirq, gsi, DOMID_SELF, shareable ? PIRQ_SHAREABLE : 0); pirq_query_unmask(irq); @@ -762,8 +758,7 @@ int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc) } int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, - int pirq, int vector, const char *name, - domid_t domid) + int pirq, const char *name, domid_t domid) { int irq, ret; @@ -776,7 +771,7 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, irq_set_chip_and_handler_name(irq, &xen_pirq_chip, handle_edge_irq, name); - xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, domid, 0); + xen_irq_info_pirq_init(irq, 0, pirq, 0, domid, 0); ret = irq_set_msi_desc(irq, msidesc); if (ret < 0) goto error_irq; diff --git a/include/xen/events.h b/include/xen/events.h index c6bfe01acf6b..b2b27c6a0f7b 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -90,8 +90,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc); /* Bind an PSI pirq to an irq. */ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, - int pirq, int vector, const char *name, - domid_t domid); + int pirq, const char *name, domid_t domid); #endif /* De-allocates the above mentioned physical interrupt. */ -- 2.34.1