diff options
| author | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 11:19:18 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 11:19:18 +0100 |
| commit | ba9341dfef6b0201cd30e3904dcd0a47d3dc35e0 (patch) | |
| tree | d83637979db83bb9d5a23e190148b90b60c976d2 /arch/x86/kernel/amd_iommu_init.c | |
| parent | d39e82db73eb876c60d00f00219d767b3be30307 (diff) | |
| parent | f167e1d073278fe231bbdd5d6c24fb9d091aa544 (diff) | |
Merge branch 'fixes' into devel
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 1dca9c34eae..fb490ce7dd5 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; |