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| author | Len Brown <len.brown@intel.com> | 2009-09-19 08:06:59 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-09-19 08:06:59 +0400 |
| commit | 71fd68e7d234f6b7d8407c8f486764d24f8411f4 (patch) | |
| tree | 6dc2a4c356b4f454fc85d0c7cb019986f6f4993b /drivers/pci/dmar.c | |
| parent | 8ff0e082f0833d32c7523a6cd72b6cf6a2142ce8 (diff) | |
| parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
| download | linux-71fd68e7d234f6b7d8407c8f486764d24f8411f4.tar.xz | |
Merge branch 'linus' into release
Diffstat (limited to 'drivers/pci/dmar.c')
| -rw-r--r-- | drivers/pci/dmar.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 7b287cb38b7a..ab99783dccec 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -33,6 +33,7 @@ #include <linux/timer.h> #include <linux/irq.h> #include <linux/interrupt.h> +#include <linux/tboot.h> #undef PREFIX #define PREFIX "DMAR:" @@ -413,6 +414,12 @@ parse_dmar_table(void) */ dmar_table_detect(); + /* + * ACPI tables may not be DMA protected by tboot, so use DMAR copy + * SINIT saved in SinitMleData in TXT heap (which is DMA protected) + */ + dmar_tbl = tboot_get_dmar_table(dmar_tbl); + dmar = (struct acpi_table_dmar *)dmar_tbl; if (!dmar) return -ENODEV; |