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From: Ian Campbell <ian.campbell@citrix.com>
To: xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	Jeremy Fitzhardinge <jeremy@goop.org>,
	Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>
Subject: [PATCH 09/14] xen: events: push setup of irq<->{evtchn,ipi,virq,pirq} maps into irq_info init functions
Date: Thu, 10 Mar 2011 16:08:10 +0000	[thread overview]
Message-ID: <1299773295-348-9-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <1299773279.17339.813.camel@zakaz.uk.xensource.com>

Encapsulate setup of XXX_to_irq array in the relevant
xen_irq_info_*_init function.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
 drivers/xen/events.c |   42 +++++++++++++++++++++---------------------
 1 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 72725fa..cf372d4 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -126,6 +126,7 @@ static struct irq_info *info_for_irq(unsigned irq)
 
 /* Constructors for packed IRQ information. */
 static void xen_irq_info_common_init(struct irq_info *info,
+				     unsigned irq,
 				     enum xen_irq_type type,
 				     unsigned short evtchn,
 				     unsigned short cpu)
@@ -136,6 +137,8 @@ static void xen_irq_info_common_init(struct irq_info *info,
 	info->type = type;
 	info->evtchn = evtchn;
 	info->cpu = cpu;
+
+	evtchn_to_irq[evtchn] = irq;
 }
 
 static void xen_irq_info_evtchn_init(unsigned irq,
@@ -143,29 +146,35 @@ static void xen_irq_info_evtchn_init(unsigned irq,
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_EVTCHN, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_EVTCHN, evtchn, 0);
 }
 
-static void xen_irq_info_ipi_init(unsigned irq,
+static void xen_irq_info_ipi_init(unsigned cpu,
+				  unsigned irq,
 				  unsigned short evtchn,
 				  enum ipi_vector ipi)
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_IPI, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_IPI, evtchn, 0);
 
 	info->u.ipi = ipi;
+
+	per_cpu(ipi_to_irq, cpu)[ipi] = irq;
 }
 
-static void xen_irq_info_virq_init(unsigned irq,
+static void xen_irq_info_virq_init(unsigned cpu,
+				   unsigned irq,
 				   unsigned short evtchn,
 				   unsigned short virq)
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_VIRQ, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_VIRQ, evtchn, 0);
 
 	info->u.virq = virq;
+
+	per_cpu(virq_to_irq, cpu)[virq] = irq;
 }
 
 static void xen_irq_info_pirq_init(unsigned irq,
@@ -177,12 +186,14 @@ static void xen_irq_info_pirq_init(unsigned irq,
 {
 	struct irq_info *info = info_for_irq(irq);
 
-	xen_irq_info_common_init(info, IRQT_PIRQ, evtchn, 0);
+	xen_irq_info_common_init(info, irq, IRQT_PIRQ, evtchn, 0);
 
 	info->u.pirq.pirq = pirq;
 	info->u.pirq.gsi = gsi;
 	info->u.pirq.vector = vector;
 	info->u.pirq.flags = flags;
+
+	pirq_to_irq[pirq] = irq;
 }
 
 /*
@@ -644,7 +655,6 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi,
 
 	xen_irq_info_pirq_init(irq, 0, pirq, gsi, irq_op.vector,
 			       shareable ? PIRQ_SHAREABLE : 0);
-	pirq_to_irq[pirq] = irq;
 
 out:
 	spin_unlock(&irq_mapping_update_lock);
@@ -682,7 +692,6 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
 				      handle_level_irq, name);
 
 	xen_irq_info_pirq_init(irq, 0, pirq, 0, vector, 0);
-	pirq_to_irq[pirq] = irq;
 	ret = set_irq_msi(irq, msidesc);
 	if (ret < 0)
 		goto error_irq;
@@ -746,7 +755,6 @@ int bind_evtchn_to_irq(unsigned int evtchn)
 		set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
 					      handle_fasteoi_irq, "event");
 
-		evtchn_to_irq[evtchn] = irq;
 		xen_irq_info_evtchn_init(irq, evtchn);
 	}
 
@@ -779,9 +787,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
 			BUG();
 		evtchn = bind_ipi.port;
 
-		evtchn_to_irq[evtchn] = irq;
-		xen_irq_info_ipi_init(irq, evtchn, ipi);
-		per_cpu(ipi_to_irq, cpu)[ipi] = irq;
+		xen_irq_info_ipi_init(cpu, irq, evtchn, ipi);
 
 		bind_evtchn_to_cpu(evtchn, cpu);
 	}
@@ -814,10 +820,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
 			BUG();
 		evtchn = bind_virq.port;
 
-		evtchn_to_irq[evtchn] = irq;
-		xen_irq_info_virq_init(irq, evtchn, virq);
-
-		per_cpu(virq_to_irq, cpu)[virq] = irq;
+		xen_irq_info_virq_init(cpu, irq, evtchn, virq);
 
 		bind_evtchn_to_cpu(evtchn, cpu);
 	}
@@ -1120,7 +1123,6 @@ void rebind_evtchn_irq(int evtchn, int irq)
 	   so there should be a proper type */
 	BUG_ON(info->type == IRQT_UNBOUND);
 
-	evtchn_to_irq[evtchn] = irq;
 	xen_irq_info_evtchn_init(irq, evtchn);
 
 	spin_unlock(&irq_mapping_update_lock);
@@ -1288,8 +1290,7 @@ static void restore_cpu_virqs(unsigned int cpu)
 		evtchn = bind_virq.port;
 
 		/* Record the new mapping. */
-		evtchn_to_irq[evtchn] = irq;
-		xen_irq_info_virq_init(irq, evtchn, virq);
+		xen_irq_info_virq_init(cpu, irq, evtchn, virq);
 		bind_evtchn_to_cpu(evtchn, cpu);
 	}
 }
@@ -1313,8 +1314,7 @@ static void restore_cpu_ipis(unsigned int cpu)
 		evtchn = bind_ipi.port;
 
 		/* Record the new mapping. */
-		evtchn_to_irq[evtchn] = irq;
-		xen_irq_info_ipi_init(irq, evtchn, ipi);
+		xen_irq_info_ipi_init(cpu, irq, evtchn, ipi);
 		bind_evtchn_to_cpu(evtchn, cpu);
 	}
 }
-- 
1.5.6.5


  parent reply	other threads:[~2011-03-10 16:08 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-03-10 16:07 [GIT PATCH v2 0/14] xen: events: cleanups + ween off nr_irqs Ian Campbell
2011-03-10 16:08 ` [PATCH 01/14] xen: events: separate two unrelated halves of if condition Ian Campbell
2011-03-10 16:08 ` [PATCH 02/14] xen: events: fix xen_map_pirq_gsi error return Ian Campbell
2011-03-10 16:08 ` [PATCH 03/14] xen: events: simplify comment Ian Campbell
2011-03-10 16:08 ` [PATCH 04/14] xen: events: remove unused public functions Ian Campbell
2011-03-10 16:08 ` [PATCH 05/14] xen: events: rename restore_cpu_pirqs -> restore_pirqs Ian Campbell
2011-03-10 16:08 ` [PATCH 06/14] xen: events: refactor GSI pirq bindings functions Ian Campbell
2011-03-10 16:08 ` [PATCH 07/14] xen: events: use per-cpu variable for cpu_evtchn_mask Ian Campbell
2011-03-10 16:08 ` [PATCH 08/14] xen: events: turn irq_info constructors into initialiser functions Ian Campbell
2011-03-10 16:08 ` Ian Campbell [this message]
2011-03-10 16:08 ` [PATCH 10/14] xen: events: maintain a list of Xen interrupts Ian Campbell
2011-03-10 16:08 ` [PATCH 11/14] xen: events: dynamically allocate irq info structures Ian Campbell
2011-03-10 16:08 ` [PATCH 12/14] xen: events: remove use of nr_irqs as upper bound on number of pirqs Ian Campbell
2011-03-10 16:08 ` [PATCH 13/14] xen: events: do not workaround too-small nr_irqs Ian Campbell
2011-03-10 16:08 ` [PATCH 14/14] xen: events: propagate irq allocation failure instead of panicking Ian Campbell
2011-03-10 22:57 ` [GIT PATCH v2 0/14] xen: events: cleanups + ween off nr_irqs Konrad Rzeszutek Wilk
2011-03-10 23:23   ` Konrad Rzeszutek Wilk
2011-03-11  9:14     ` Ian Campbell
2011-03-11  0:38   ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-03-11  9:17     ` Ian Campbell
2011-03-11  9:12   ` Ian Campbell
2011-03-11 11:24     ` [Xen-devel] " Ian Campbell
2011-03-11 13:28       ` Ian Campbell
2011-03-11 14:24         ` Ian Campbell
2011-03-11 14:32           ` Ian Campbell
2011-03-11 14:46             ` Ian Campbell
2011-03-11 14:29         ` Konrad Rzeszutek Wilk
2011-03-11 14:46           ` Ian Campbell
  -- strict thread matches above, loose matches on Subject: below --
2011-03-09 17:40 [GIT PATCH " Ian Campbell
2011-03-09 17:41 ` [PATCH 09/14] xen: events: push setup of irq<->{evtchn,ipi,virq,pirq} maps into irq_info init functions Ian Campbell
2011-03-10  4:56   ` Konrad Rzeszutek Wilk
2011-03-10  8:42     ` Ian Campbell

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