diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu_init.c | 3 | ||||
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 2 | ||||
| -rw-r--r-- | drivers/iommu/intel-svm.c | 2 | ||||
| -rw-r--r-- | drivers/iommu/ipmmu-vmsa.c | 3 |
4 files changed, 7 insertions, 3 deletions
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index bb2cd29e1658..d8f7000a466a 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -797,7 +797,8 @@ static int iommu_init_ga_log(struct amd_iommu *iommu) entry = iommu_virt_to_phys(iommu->ga_log) | GA_LOG_SIZE_512; memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_BASE_OFFSET, &entry, sizeof(entry)); - entry = (iommu_virt_to_phys(iommu->ga_log) & 0xFFFFFFFFFFFFFULL) & ~7ULL; + entry = (iommu_virt_to_phys(iommu->ga_log_tail) & + (BIT_ULL(52)-1)) & ~7ULL; memcpy_toio(iommu->mmio_base + MMIO_GA_LOG_TAIL_OFFSET, &entry, sizeof(entry)); writel(0x00, iommu->mmio_base + MMIO_GA_HEAD_OFFSET); diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index f3ccf025108b..41a4b8808802 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -3075,7 +3075,7 @@ static int copy_context_table(struct intel_iommu *iommu, } if (old_ce) - iounmap(old_ce); + memunmap(old_ce); ret = 0; if (devfn < 0x80) diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c index db301efe126d..887150907526 100644 --- a/drivers/iommu/intel-svm.c +++ b/drivers/iommu/intel-svm.c @@ -595,7 +595,7 @@ static irqreturn_t prq_event_thread(int irq, void *d) pr_err("%s: Page request without PASID: %08llx %08llx\n", iommu->name, ((unsigned long long *)req)[0], ((unsigned long long *)req)[1]); - goto bad_req; + goto no_pasid; } if (!svm || svm->pasid != req->pasid) { diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c index b98a03189580..ddf3a492e1d5 100644 --- a/drivers/iommu/ipmmu-vmsa.c +++ b/drivers/iommu/ipmmu-vmsa.c @@ -498,6 +498,9 @@ static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain) static void ipmmu_domain_destroy_context(struct ipmmu_vmsa_domain *domain) { + if (!domain->mmu) + return; + /* * Disable the context. Flush the TLB as required when modifying the * context registers. |