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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-02-28 23:55:20 -0800 |
commit | 35858adbfca13678af99fb31618ef4428d6dedb0 (patch) | |
tree | 3336feaa61324486945816cb52c347733e7c0821 /arch/x86/kernel/amd_iommu_init.c | |
parent | 197d4db752e67160d79fed09968c2140376a80a3 (diff) | |
parent | 4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff) | |
download | linux-35858adbfca13678af99fb31618ef4428d6dedb0.tar.bz2 |
Merge branch 'next' into for-linus
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
-rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 1dca9c34eaeb..fb490ce7dd55 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -138,6 +138,11 @@ int amd_iommus_present; bool amd_iommu_np_cache __read_mostly; /* + * Set to true if ACPI table parsing and hardware intialization went properly + */ +static bool amd_iommu_initialized; + +/* * List of protection domains - used during resume */ LIST_HEAD(amd_iommu_pd_list); @@ -929,6 +934,8 @@ static int __init init_iommu_all(struct acpi_table_header *table) } WARN_ON(p != end); + amd_iommu_initialized = true; + return 0; } @@ -1263,6 +1270,9 @@ static int __init amd_iommu_init(void) if (acpi_table_parse("IVRS", init_iommu_all) != 0) goto free; + if (!amd_iommu_initialized) + goto free; + if (acpi_table_parse("IVRS", init_memory_definitions) != 0) goto free; |