Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-21 19:41:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

virtio: bugfix

Browse Source 
Fixes a single, long-standing issue with kick pass-through vdpa.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
 -----BEGIN PGP SIGNATURE-----
 
 iQFDBAABCAAtFiEEXQn9CHHI+FuUyooNKB8NuNKNVGkFAmayY60PHG1zdEByZWRo
 YXQuY29tAAoJECgfDbjSjVRphg0IAJUlLOlK8z1j1NIu2GtMbS2+MtPg5ZTm8+UX
 4okBqPg20IJoB5mRYpAwzjAoqrDsITuJJj6cG7HyT6M06C48AhpIpgbnKjOhHPdO
 BrkJvBRKM1xRUAa1CY6tVw93u0lUhBc71xgGZxhqeWDUNf0g1AhZT1ZULwo99OdT
 S5VSRANov3wO06Ds3Y7IfomIxvb/bsPsxbKxt1+L2qyzr2kpJnIsMKkgq9+SNLsO
 J8B/FhSsSxHJQZEvdGC+LIiuB2senbOjOUiocn8kgBtEfwWKPv30D/+H8cRsUezG
 RGNWy3bQ5OhlIgLDhThr5OYe6i2GJxH79xD+BXE+UKAFVGK+BEo=
 =fd3h
 -----END PGP SIGNATURE-----

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
This commit is contained in:
Linus Torvalds 2024-08-06 10:58:28 -07:00
commit d456068672
1 changed files with 1 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/vhost/vdpa.c
View File

@ -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 = {