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author | Ingo Molnar <mingo@elte.hu> | 2009-11-17 06:51:02 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-11-17 06:51:07 (GMT) |
commit | 99f4c9de2b707795acb215e2e94df7ea266042b5 (patch) | |
tree | 6123682a8e0d880feebb690a55b3fb442ef3dee8 /arch/x86/kernel | |
parent | 62ad33f67003b9a7b6013f0511579b9805e11626 (diff) | |
parent | 156171c71a0dc4bce12b4408bb1591f8fe32dc1a (diff) | |
download | linux-99f4c9de2b707795acb215e2e94df7ea266042b5.tar.xz |
Merge commit 'v2.6.32-rc7' into core/iommu
Merge reason: Add fixes we'll depend on.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/microcode_amd.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/pci-dma.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/setup.c | 7 |
3 files changed, 15 insertions, 4 deletions
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c index 366baa1..f4c538b 100644 --- a/arch/x86/kernel/microcode_amd.c +++ b/arch/x86/kernel/microcode_amd.c @@ -317,6 +317,12 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device) return UCODE_NFOUND; } + if (*(u32 *)firmware->data != UCODE_MAGIC) { + printk(KERN_ERR "microcode: invalid UCODE_MAGIC (0x%08x)\n", + *(u32 *)firmware->data); + return UCODE_ERROR; + } + ret = generic_load_microcode(cpu, firmware->data, firmware->size); release_firmware(firmware); diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c index f170b53..bf621b9 100644 --- a/arch/x86/kernel/pci-dma.c +++ b/arch/x86/kernel/pci-dma.c @@ -46,12 +46,10 @@ int iommu_pass_through __read_mostly; dma_addr_t bad_dma_address __read_mostly = 0; EXPORT_SYMBOL(bad_dma_address); -/* Dummy device used for NULL arguments (normally ISA). Better would - be probably a smaller DMA mask, but this is bug-to-bug compatible - to older i386. */ +/* Dummy device used for NULL arguments (normally ISA). */ struct device x86_dma_fallback_dev = { .init_name = "fallback device", - .coherent_dma_mask = DMA_BIT_MASK(32), + .coherent_dma_mask = ISA_DMA_BIT_MASK, .dma_mask = &x86_dma_fallback_dev.coherent_dma_mask, }; EXPORT_SYMBOL(x86_dma_fallback_dev); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index e09f0e2..2a34f9c 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -660,6 +660,13 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { }, }, { + .callback = dmi_low_memory_corruption, + .ident = "Phoenix/MSC BIOS", + .matches = { + DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix/MSC"), + }, + }, + { /* * AMI BIOS with low memory corruption was found on Intel DG45ID board. * It hase different DMI_BIOS_VENDOR = "Intel Corp.", for now we will |