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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-01-21 11:26:26 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-01-21 11:26:26 +0000 |
| commit | 92181f18298ff8c415354150414efb7195c1b620 (patch) | |
| tree | d8c4dbbaf40a7f2a77ad6b6a7a333626a4113116 | |
| parent | 41a41718c4503078fd084c5f3344fe4448936906 (diff) | |
| download | xen-92181f18298ff8c415354150414efb7195c1b620.tar.gz xen-92181f18298ff8c415354150414efb7195c1b620.tar.bz2 xen-92181f18298ff8c415354150414efb7195c1b620.zip | |
VT-d: warn on bogus RMRR entry
Signed-off-by: Weidong Han <weidong.han@intel.com>
| -rw-r--r-- | xen/drivers/passthrough/vtd/dmar.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/xen/drivers/passthrough/vtd/dmar.c b/xen/drivers/passthrough/vtd/dmar.c index 971100fe3e..9ae39a4cf9 100644 --- a/xen/drivers/passthrough/vtd/dmar.c +++ b/xen/drivers/passthrough/vtd/dmar.c @@ -453,7 +453,13 @@ acpi_parse_one_rmrr(struct acpi_dmar_entry_header *header) f = PCI_FUNC(rmrru->scope.devices[i]); if ( pci_device_detect(b, d, f) == 0 ) + { + dprintk(XENLOG_WARNING VTDPREFIX, + " Non-existent device (%x:%x.%x) is reported " + "in RMRR (%"PRIx64", %"PRIx64")'s scope!\n", + b, d, f, rmrru->base_address, rmrru->end_address); ignore = 1; + } else { ignore = 0; |