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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-08-06 10:58:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-08-06 10:58:28 -0700 |
| commit | d4560686726f7a357922f300fc81f5964be8df04 (patch) | |
| tree | 94ab45832b29ccc4289150428455b42c289f3175 /drivers/vhost | |
| parent | eb5e56d1491297e0881c95824e2050b7c205f0d4 (diff) | |
| parent | 0823dc64586ba5ea13a7d200a5d33e4c5fa45950 (diff) | |
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fix from Michael Tsirkin:
"Fix a single, long-standing issue with kick pass-through vdpa"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
vhost-vdpa: switch to use vmf_insert_pfn() in the fault handler
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vdpa.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index e31ec9ebc4ce..478cd46a49ed 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -1481,13 +1481,7 @@ static vm_fault_t vhost_vdpa_fault(struct vm_fault *vmf) notify = ops->get_vq_notification(vdpa, index); - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - if (remap_pfn_range(vma, vmf->address & PAGE_MASK, - PFN_DOWN(notify.addr), PAGE_SIZE, - vma->vm_page_prot)) - return VM_FAULT_SIGBUS; - - return VM_FAULT_NOPAGE; + return vmf_insert_pfn(vma, vmf->address & PAGE_MASK, PFN_DOWN(notify.addr)); } static const struct vm_operations_struct vhost_vdpa_vm_ops = { |