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authorQi Liu2021-04-01 19:19:16 +0800
committerJoerg Roedel2021-04-07 10:47:41 +0200
commit3e84f878b56b075b9a81de6e73da7b3dc88387d8 (patch)
tree8164f13a1d7f0d1175a8d2a1fef4865b0e9e1c20 /drivers/iommu
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
iommu/amd: Remove duplicate check of pasids
Remove duplicate check of pasids in amd_iommu_domain_enable_v2(), as it has been guaranteed in amd_iommu_init_device(). Signed-off-by: Qi Liu <liuqi115@huawei.com> Link: https://lore.kernel.org/r/1617275956-4467-1-git-send-email-liuqi115@huawei.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd/iommu.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index a69a8b573e40..70814ab0b374 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -2310,9 +2310,6 @@ int amd_iommu_domain_enable_v2(struct iommu_domain *dom, int pasids)
unsigned long flags;
int levels, ret;
- if (pasids <= 0 || pasids > (PASID_MASK + 1))
- return -EINVAL;
-
/* Number of GCR3 table levels required */
for (levels = 0; (pasids - 1) & ~0x1ff; pasids >>= 9)
levels += 1;