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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-12-16 19:17:11 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2008-12-16 19:17:11 +0100 |
| commit | 83fd5cc6481c6b7fa8b45f8a7e0aa7120213430b (patch) | |
| tree | d60bd8cbfce34e11f186a97eb5be2a5c2632b150 /arch/x86/kernel/amd_iommu_init.c | |
| parent | 1bda71282ded6a2e09a2db7c8884542fb46bfd4f (diff) | |
| download | lwn-83fd5cc6481c6b7fa8b45f8a7e0aa7120213430b.tar.gz lwn-83fd5cc6481c6b7fa8b45f8a7e0aa7120213430b.zip | |
AMD IOMMU: allocate rlookup_table with __GFP_ZERO
Impact: fix bug which can lead to panic in prealloc_protection_domains()
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
| -rw-r--r-- | arch/x86/kernel/amd_iommu_init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 30ae2701b3df..c90a15eba5c5 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -1074,7 +1074,8 @@ int __init amd_iommu_init(void) goto free; /* IOMMU rlookup table - find the IOMMU for a specific device */ - amd_iommu_rlookup_table = (void *)__get_free_pages(GFP_KERNEL, + amd_iommu_rlookup_table = (void *)__get_free_pages( + GFP_KERNEL | __GFP_ZERO, get_order(rlookup_table_size)); if (amd_iommu_rlookup_table == NULL) goto free; |