xen-devel
[Xen-devel] [PATCH 15/17] xen: set pirq name to something useful.
To: |
Ingo Molnar <mingo@xxxxxxx> |
Subject: |
[Xen-devel] [PATCH 15/17] xen: set pirq name to something useful. |
From: |
Jeremy Fitzhardinge <jeremy@xxxxxxxx> |
Date: |
Wed, 27 May 2009 00:37:28 -0700 |
Cc: |
Chris Wright <chrisw@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ky Srinivasan <ksrinivasan@xxxxxxxxxx>, kurt.hackel@xxxxxxxxxx, the arch/x86 maintainers <x86@xxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxxxxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Avi Kivity <avi@xxxxxxxxxx>, Jens Axboe <jens.axboe@xxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Greg KH <gregkh@xxxxxxx> |
Delivery-date: |
Wed, 27 May 2009 00:54:36 -0700 |
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<1243409850-21577-1-git-send-email-jeremy@xxxxxxxx> |
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From: Gerd Hoffmann <kraxel@xxxxxxxxxxxxxxxxxxxx>
Make pirq show useful information in /proc/interrupts
[ Impact: better output in /proc/interrupts ]
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
---
arch/x86/xen/pci.c | 3 ++-
drivers/xen/events.c | 4 ++--
include/xen/events.h | 2 +-
3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/arch/x86/xen/pci.c b/arch/x86/xen/pci.c
index 381b7ab..4b286f1 100644
--- a/arch/x86/xen/pci.c
+++ b/arch/x86/xen/pci.c
@@ -49,7 +49,8 @@ int xen_register_gsi(u32 gsi, int triggering, int polarity)
printk(KERN_DEBUG "xen: registering gsi %u triggering %d polarity %d\n",
gsi, triggering, polarity);
- irq = xen_allocate_pirq(gsi);
+ irq = xen_allocate_pirq(gsi, (triggering == ACPI_EDGE_SENSITIVE)
+ ? "ioapic-edge" : "ioapic-level");
printk(KERN_DEBUG "xen: --> irq=%d\n", irq);
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index e6ddf78..f84d13b 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -532,7 +532,7 @@ static int find_irq_by_gsi(unsigned gsi)
* event channel until the irq actually started up. Return an
* existing irq if we've already got one for the gsi.
*/
-int xen_allocate_pirq(unsigned gsi)
+int xen_allocate_pirq(unsigned gsi, char *name)
{
int irq;
struct physdev_irq irq_op;
@@ -554,7 +554,7 @@ int xen_allocate_pirq(unsigned gsi)
irq = find_unbound_irq();
set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
- handle_level_irq, "pirq");
+ handle_level_irq, name);
irq_op.irq = irq;
if (HYPERVISOR_physdev_op(PHYSDEVOP_alloc_irq_vector, &irq_op)) {
diff --git a/include/xen/events.h b/include/xen/events.h
index 6fe4863..4b19b9c 100644
--- a/include/xen/events.h
+++ b/include/xen/events.h
@@ -61,7 +61,7 @@ unsigned irq_from_evtchn(unsigned int evtchn);
/* Allocate an irq for a physical interrupt, given a gsi. "Legacy"
GSIs are identity mapped; others are dynamically allocated as
usual. */
-int xen_allocate_pirq(unsigned gsi);
+int xen_allocate_pirq(unsigned gsi, char *name);
/* Return vector allocated to pirq */
int xen_vector_from_irq(unsigned pirq);
--
1.6.0.6
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- [Xen-devel] [PATCH 03/17] xen: implement io_apic_ops, (continued)
- [Xen-devel] [PATCH 03/17] xen: implement io_apic_ops, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 02/17] x86: add io_apic_ops to allow interception, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 06/17] x86/io_apic: add get_nr_irqs_gsi(), Jeremy Fitzhardinge
- [Xen-devel] [PATCH 05/17] xen: implement pirq type event channels, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 07/17] xen/apic: identity map gsi->irqs, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 10/17] xen: pre-initialize legacy irqs early, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 11/17] xen: don't setup acpi interrupt unless there is one, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 13/17] xen: initialize irq 0 too, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 08/17] xen: direct irq registration to pirq event channels, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 12/17] xen: use acpi_get_override_irq() to get triggering for legacy irqs, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 15/17] xen: set pirq name to something useful.,
Jeremy Fitzhardinge <=
- [Xen-devel] [PATCH 16/17] xen: fix legacy irq setup, make ioapic-less machines work., Jeremy Fitzhardinge
- [Xen-devel] [PATCH 09/17] xen: bind pirq to vector and event channel, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 14/17] xen: dynamically allocate irq & event structures, Jeremy Fitzhardinge
- [Xen-devel] [PATCH 17/17] xen: disable MSI, Jeremy Fitzhardinge
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