Displaying 4 results from an estimated 4 matches for "io_apic_id".
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io_apic_irq
2013 Aug 27
2
[PATCH] AMD IOMMU: add missing checks
...n we shouldn''t memset() a pointer allocation of which failed.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/xen/drivers/passthrough/amd/iommu_acpi.c
+++ b/xen/drivers/passthrough/amd/iommu_acpi.c
@@ -674,6 +674,13 @@ static u16 __init parse_ivhd_device_spec
if ( IO_APIC_ID(apic) != special->handle )
continue;
+ if ( special->handle >= ARRAY_SIZE(ioapic_sbdf) )
+ {
+ printk(XENLOG_ERR "IVHD Error: IO-APIC %#x entry beyond bounds\n",
+ special->handle);
+...
2013 Aug 28
12
[PATCH V2] x86/AMD-Vi: Add additional check for invalid special->handle
...case ACPI_IVHD_IOAPIC:
+ {
+ unsigned int apic_id = 0;
if ( !iommu_intremap )
break;
/*
@@ -715,29 +717,45 @@ static u16 __init parse_ivhd_device_special(
*/
for ( apic = 0; apic < nr_ioapics; apic++ )
{
- if ( IO_APIC_ID(apic) != special->handle )
- continue;
+ apic_id = special->handle;
- if ( special->handle >= ARRAY_SIZE(ioapic_sbdf) )
+ if ( IO_APIC_ID(apic) != apic_id )
+ {
+ /* Some BIOSes have invalid value in the special...
2013 Mar 19
7
[PATCH 0/3] IOMMU errata treatment adjustments
1: IOMMU: properly check whether interrupt remapping is enabled
2: AMD IOMMU: only disable when certain IVRS consistency checks fail
3: VT-d: deal with 5500/5520/X58 errata
Patch 1 and 2 are version 2 of a previously submitted, then
withdrawn patch following up after XSA-36. Patch 3 is version 3 of
a patch previously sent by Malcolm and Andrew.
Signed-off-by: Jan Beulich
2013 Jul 22
69
[xen-unstable] Commit 2ca9fbd739b8a72b16dd790d0fff7b75f5488fb8 AMD IOMMU: allocate IRTE entries instead of using a static mapping, makes dom0 boot process stall several times.
Hi Jan,
After commit 2ca9fbd739b8a72b16dd790d0fff7b75f5488fb8 AMD IOMMU: allocate IRTE entries instead of using a static mapping, booting dom0 stalls several times.
Sometimes this results in RCU stall warnings from the dom0 kernel, hitting the "any" key, on normal or serial console, makes the boot continue for a while but it stalls several times.
(It also stalls on shutdown BTW)
I have