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| author | David Woodhouse <David.Woodhouse@intel.com> | 2009-10-07 12:18:00 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-10-07 12:18:00 +0100 |
| commit | aa697079ee66315c4b9747a5eb3e48487fb1b8be (patch) | |
| tree | 4e34bf80f0257c1462a5e0602de62812dc77ee01 /drivers/pci/dmar.c | |
| parent | 4c923d4714821cf32ff115bb9c91867dff711972 (diff) | |
| download | kernel_samsung_smdk4412-aa697079ee66315c4b9747a5eb3e48487fb1b8be.tar.gz kernel_samsung_smdk4412-aa697079ee66315c4b9747a5eb3e48487fb1b8be.tar.bz2 kernel_samsung_smdk4412-aa697079ee66315c4b9747a5eb3e48487fb1b8be.zip | |
dmar: Fix build failure without NUMA, warn on bogus RHSA tables and don't abort
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/pci/dmar.c')
| -rw-r--r-- | drivers/pci/dmar.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 63aa52973d4..0d064d1e840 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -348,6 +348,7 @@ found: } #endif +#ifdef CONFIG_ACPI_NUMA static int __init dmar_parse_one_rhsa(struct acpi_dmar_header *header) { @@ -355,18 +356,26 @@ dmar_parse_one_rhsa(struct acpi_dmar_header *header) struct dmar_drhd_unit *drhd; rhsa = (struct acpi_dmar_rhsa *)header; - for_each_drhd_unit(drhd) + for_each_drhd_unit(drhd) { if (drhd->reg_base_addr == rhsa->base_address) { int node = acpi_map_pxm_to_node(rhsa->proximity_domain); if (!node_online(node)) node = -1; drhd->iommu->node = node; - return 0; + return 0; + } } + WARN(1, "Your BIOS is broken; RHSA refers to non-existent DMAR unit at %llx\n" + "BIOS vendor: %s; Ver: %s; Product Version: %s\n", + drhd->reg_base_addr, + dmi_get_system_info(DMI_BIOS_VENDOR), + dmi_get_system_info(DMI_BIOS_VERSION), + dmi_get_system_info(DMI_PRODUCT_VERSION)); - return -ENODEV; + return 0; } +#endif static void __init dmar_table_print_dmar_entry(struct acpi_dmar_header *header) @@ -487,7 +496,9 @@ parse_dmar_table(void) #endif break; case ACPI_DMAR_HARDWARE_AFFINITY: +#ifdef CONFIG_ACPI_NUMA ret = dmar_parse_one_rhsa(entry_header); +#endif break; default: printk(KERN_WARNING PREFIX |