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| author |  David Hildenbrand <david@redhat.com>
| 2024-04-10 17:55:26 +0200 |
|---|---|---|
| committer |  Andrew Morton <akpm@linux-foundation.org>
| 2024-05-05 17:53:27 -0700 |
| commit | 29ae7d96d166fa08c7232daf8a314ef5ba1efd20 (patch) | |
| tree | ce705a55e77e2e85442ff965a37e5a7c980ddf97 /drivers/virt | |
| parent | drivers/virt/acrn: fix PFNMAP PTE checks in acrn_vm_ram_map() (diff) | |
| download | linux-29ae7d96d166fa08c7232daf8a314ef5ba1efd20.tar.gz linux-29ae7d96d166fa08c7232daf8a314ef5ba1efd20.tar.bz2 linux-29ae7d96d166fa08c7232daf8a314ef5ba1efd20.zip | |
mm: pass VMA instead of MM to follow_pte()
... and centralize the VM_IO/VM_PFNMAP sanity check in there. We'll
now also perform these sanity checks for direct follow_pte()
invocations.
For generic_access_phys(), we might now check multiple times: nothing to
worry about, really.
Link: https://lkml.kernel.org/r/20240410155527.474777-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Sean Christopherson <seanjc@google.com> [KVM]
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Fei Li <fei1.li@intel.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Yonghua Huang <yonghua.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/virt')
| -rw-r--r-- | drivers/virt/acrn/mm.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/virt/acrn/mm.c b/drivers/virt/acrn/mm.c index 2d98e1e185c4..db8ff1d0ac23 100644 --- a/drivers/virt/acrn/mm.c +++ b/drivers/virt/acrn/mm.c @@ -187,8 +187,7 @@ int acrn_vm_ram_map(struct acrn_vm *vm, struct acrn_vm_memmap *memmap) } for (i = 0; i < nr_pages; i++) { - ret = follow_pte(vma->vm_mm, - memmap->vma_base + i * PAGE_SIZE, + ret = follow_pte(vma, memmap->vma_base + i * PAGE_SIZE, &ptep, &ptl); if (ret) break; |