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authorLinus Torvalds <torvalds@linux-foundation.org>2023-10-02 10:39:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-10-02 10:39:12 -0700
commit8f1b4600373f9da2afc124f31788b16f47eb950c (patch)
tree0c39587f193c836641bffb7e111fcae81c4b0c1e /drivers/iommu/intel/iommu.c
parent8a749fd1a8720d4619c91c8b6e7528c0a355c0aa (diff)
parent59df44bfb0ca4c3ee1f1c3c5d0ee8e314844799e (diff)
Merge tag 'iommu-fixes-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel: - Arm SMMU fixes from Will Deacon: - Fix TLB range command encoding when TTL, Num and Scale are all zero - Fix soft lockup by limiting TLB invalidation ops issued by SVA - Fix clocks description for SDM630 platform in arm-smmu DT binding - Intel VT-d fix from Lu Baolu: - Fix a suspend/hibernation problem in iommu_suspend() - Mediatek driver: Fix page table sharing for addresses over 4GiB - Apple/Dart: DMA_FQ handling fix in attach_dev() * tag 'iommu-fixes-v6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Avoid memory allocation in iommu_suspend() iommu/apple-dart: Handle DMA_FQ domains in attach_dev() iommu/mediatek: Fix share pgtable for iova over 4GB iommu/arm-smmu-v3: Fix soft lockup triggered by arm_smmu_mm_invalidate_range dt-bindings: arm-smmu: Fix SDM630 clocks description iommu/arm-smmu-v3: Avoid constructing invalid range commands
Diffstat (limited to 'drivers/iommu/intel/iommu.c')
-rw-r--r--drivers/iommu/intel/iommu.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 5db283c17e0d..3685ba90ec88 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -2998,13 +2998,6 @@ static int iommu_suspend(void)
struct intel_iommu *iommu = NULL;
unsigned long flag;
- for_each_active_iommu(iommu, drhd) {
- iommu->iommu_state = kcalloc(MAX_SR_DMAR_REGS, sizeof(u32),
- GFP_KERNEL);
- if (!iommu->iommu_state)
- goto nomem;
- }
-
iommu_flush_all();
for_each_active_iommu(iommu, drhd) {
@@ -3024,12 +3017,6 @@ static int iommu_suspend(void)
raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
}
return 0;
-
-nomem:
- for_each_active_iommu(iommu, drhd)
- kfree(iommu->iommu_state);
-
- return -ENOMEM;
}
static void iommu_resume(void)
@@ -3061,9 +3048,6 @@ static void iommu_resume(void)
raw_spin_unlock_irqrestore(&iommu->register_lock, flag);
}
-
- for_each_active_iommu(iommu, drhd)
- kfree(iommu->iommu_state);
}
static struct syscore_ops iommu_syscore_ops = {