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| author | Ingo Molnar <mingo@elte.hu> | 2009-05-08 10:50:00 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-08 10:50:00 +0200 |
| commit | f066a155334642b8a206eec625b1925d88c48aeb (patch) | |
| tree | cb12975e60b70d1dae3b7397bab955de78a4d01e /drivers/pci/dmar.c | |
| parent | e7c064889606aab3569669078c69b87b2c527e72 (diff) | |
| parent | 33df4db04a79660150e1948e3296eeb451ac121b (diff) | |
| download | kernel-crypto-f066a155334642b8a206eec625b1925d88c48aeb.tar.gz kernel-crypto-f066a155334642b8a206eec625b1925d88c48aeb.tar.xz kernel-crypto-f066a155334642b8a206eec625b1925d88c48aeb.zip | |
Merge branch 'x86/urgent' into x86/xen
Conflicts:
arch/frv/include/asm/pgtable.h
arch/x86/include/asm/required-features.h
arch/x86/xen/mmu.c
Merge reason: x86/xen was on a .29 base still, move it to a fresher
branch and pick up Xen fixes as well, plus resolve
conflicts
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/pci/dmar.c')
| -rw-r--r-- | drivers/pci/dmar.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 25a00ce4f24..fa3a11365ec 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -173,12 +173,21 @@ dmar_parse_one_drhd(struct acpi_dmar_header *header) struct dmar_drhd_unit *dmaru; int ret = 0; + drhd = (struct acpi_dmar_hardware_unit *)header; + if (!drhd->address) { + /* Promote an attitude of violence to a BIOS engineer today */ + WARN(1, "Your BIOS is broken; DMAR reported at address zero!\n" + "BIOS vendor: %s; Ver: %s; Product Version: %s\n", + dmi_get_system_info(DMI_BIOS_VENDOR), + dmi_get_system_info(DMI_BIOS_VERSION), + dmi_get_system_info(DMI_PRODUCT_VERSION)); + return -ENODEV; + } dmaru = kzalloc(sizeof(*dmaru), GFP_KERNEL); if (!dmaru) return -ENOMEM; dmaru->hdr = header; - drhd = (struct acpi_dmar_hardware_unit *)header; dmaru->reg_base_addr = drhd->address; dmaru->segment = drhd->segment; dmaru->include_all = drhd->flags & 0x1; /* BIT0: INCLUDE_ALL */ |