Displaying 5 results from an estimated 5 matches for "ioapic_cmdline".
2013 Sep 12
23
More Coverity-reported issues.
Another bundle of issues from Coverity triage.
The first one is in x86/mm, and looks scarier than it is. The others
are all in xen/drivers and AFAICT are pretty minor.
Cheers,
Tim.
2013 Sep 12
3
[PATCH 1/1 V3] x86/AMD-Vi: Add additional check for invalid special->handle
...hpet_sbdf.id = id;
hpet_sbdf.bdf = PCI_BDF(bus, dev, func);
hpet_sbdf.seg = seg;
hpet_sbdf.cmdline = 1;
}
custom_param("ivrs_hpet[", parse_ivrs_hpet);
+static bool_t is_ioapic_overidden(u16 seg, u16 bdf, u8 handle)
+{
+ bool_t ret = 0;
+ int apic = find_first_bit(ioapic_cmdline, ARRAY_SIZE(ioapic_sbdf));
+
+ while ( apic < ARRAY_SIZE(ioapic_sbdf) )
+ {
+ if ( ioapic_sbdf[apic].bdf == bdf &&
+ ioapic_sbdf[apic].seg == seg )
+ break;
+ apic = find_next_bit(ioapic_cmdline, ARRAY_SIZE(ioapic_sbdf),
+...
2013 Aug 28
12
[PATCH V2] x86/AMD-Vi: Add additional check for invalid special->handle
...ecial->used_id is correct. Here we check to see if
+ * the user is overiding the special->handle from commandline
+ */
+ if ( (ioapic_sbdf[IO_APIC_ID(apic)].bdf == special->used_id) &&
+ (test_bit(IO_APIC_ID(apic), ioapic_cmdline)) )
+ {
+ apic_id = IO_APIC_ID(apic);
+ AMD_IOMMU_DEBUG ("IVHD Special: Usinging command override "
+ "value for IO-APIC %#x, bdf=%#x\n",
+ apic_id, ioapic_sbdf[apic_id].bdf);
+...
2013 Oct 06
17
AMD IOMMU disabled - No Perdev Intremap
Hi!
From other people posting to this list, I know that there has been a
bug related to the issue described in Xen Security Advisory 36 that
disables iommu for some AMD users like me.
However, even when passing "iommu=no-amd-iommu-perdev-intremap" it
still disables i/o virtualisatoin. Related Xen dmesg output:
(XEN) IVHD Error: Invalid IO-APIC 0
(XEN) AMD-Vi: Error initialization
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