From: "Jan Beulich" <JBeulich@suse.com>
To: xen-devel <xen-devel@lists.xen.org>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Sherry Hurwitz <sherry.hurwitz@amd.com>
Subject: [PATCH 4/4] AMD IOMMU: use __ioapic_read_entry() instead of open coding it
Date: Fri, 15 Feb 2013 16:22:50 +0000 [thread overview]
Message-ID: <511E6EEA02000078000BED56@nat28.tlf.novell.com> (raw)
In-Reply-To: <511E6CAD02000078000BED19@nat28.tlf.novell.com>
[-- Attachment #1: Type: text/plain, Size: 837 bytes --]
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/drivers/passthrough/amd/iommu_intr.c
+++ b/xen/drivers/passthrough/amd/iommu_intr.c
@@ -144,7 +144,7 @@ static void update_intremap_entry_from_i
int __init amd_iommu_setup_ioapic_remapping(void)
{
- struct IO_APIC_route_entry rte = {0};
+ struct IO_APIC_route_entry rte;
unsigned long flags;
u32* entry;
int apic, pin;
@@ -159,9 +159,7 @@ int __init amd_iommu_setup_ioapic_remapp
{
for ( pin = 0; pin < nr_ioapic_entries[apic]; pin++ )
{
- *(((int *)&rte) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
- *(((int *)&rte) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-
+ rte = __ioapic_read_entry(apic, pin, 1);
if ( rte.mask == 1 )
continue;
[-- Attachment #2: AMD-IOMMU-use-ioapic_read_entry.patch --]
[-- Type: text/plain, Size: 897 bytes --]
AMD IOMMU: use __ioapic_read_entry() instead of open coding it
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/drivers/passthrough/amd/iommu_intr.c
+++ b/xen/drivers/passthrough/amd/iommu_intr.c
@@ -144,7 +144,7 @@ static void update_intremap_entry_from_i
int __init amd_iommu_setup_ioapic_remapping(void)
{
- struct IO_APIC_route_entry rte = {0};
+ struct IO_APIC_route_entry rte;
unsigned long flags;
u32* entry;
int apic, pin;
@@ -159,9 +159,7 @@ int __init amd_iommu_setup_ioapic_remapp
{
for ( pin = 0; pin < nr_ioapic_entries[apic]; pin++ )
{
- *(((int *)&rte) + 1) = io_apic_read(apic, 0x11 + 2 * pin);
- *(((int *)&rte) + 0) = io_apic_read(apic, 0x10 + 2 * pin);
-
+ rte = __ioapic_read_entry(apic, pin, 1);
if ( rte.mask == 1 )
continue;
[-- Attachment #3: Type: text/plain, Size: 126 bytes --]
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next prev parent reply other threads:[~2013-02-15 16:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-15 16:13 [PATCH 0/4] AMD IOMMU: misc adjustments Jan Beulich
2013-02-15 16:19 ` [PATCH 1/4] AMD IOMMU: don't BUG() when we don't have to Jan Beulich
2013-02-15 17:34 ` Boris Ostrovsky
2013-02-18 7:58 ` Jan Beulich
2013-02-15 16:20 ` [PATCH 2/4] AMD IOMMU: cover all functions of a device even if ACPI only tells us of func 0 Jan Beulich
2013-02-15 17:21 ` Boris Ostrovsky
2013-02-18 8:00 ` Jan Beulich
2013-02-15 16:21 ` [PATCH 3/4] IOMMU, AMD Family15h Model10-1Fh erratum 746 Workaround Jan Beulich
2013-02-25 21:33 ` Suravee Suthikulanit
2013-02-26 7:42 ` Jan Beulich
2013-02-15 16:22 ` Jan Beulich [this message]
2013-02-15 17:28 ` [PATCH 4/4] AMD IOMMU: use __ioapic_read_entry() instead of open coding it Boris Ostrovsky
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