diff options
| author | David Hildenbrand <david@redhat.com> | 2025-09-01 17:03:53 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:08 -0700 |
| commit | fae6406bca03688bde691ef7f2605165d6b4f9b8 (patch) | |
| tree | 1b07e9201db35c33201df1c20065c2f1693ab0c5 | |
| parent | d66ff3db89997a916b26c2752d4ddd00772613d6 (diff) | |
vfio/pci: drop nth_page() usage within SG entry
It's no longer required to use nth_page() when iterating pages within a
single SG entry, so let's drop the nth_page() usage.
Link: https://lkml.kernel.org/r/20250901150359.867252-33-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Yishai Hadas <yishaih@nvidia.com>
Cc: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | drivers/vfio/pci/pds/lm.c | 3 | ||||
| -rw-r--r-- | drivers/vfio/pci/virtio/migrate.c | 3 |
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/vfio/pci/pds/lm.c b/drivers/vfio/pci/pds/lm.c index f2673d395236..4d70c833fa32 100644 --- a/drivers/vfio/pci/pds/lm.c +++ b/drivers/vfio/pci/pds/lm.c @@ -151,8 +151,7 @@ static struct page *pds_vfio_get_file_page(struct pds_vfio_lm_file *lm_file, lm_file->last_offset_sg = sg; lm_file->sg_last_entry += i; lm_file->last_offset = cur_offset; - return nth_page(sg_page(sg), - (offset - cur_offset) / PAGE_SIZE); + return sg_page(sg) + (offset - cur_offset) / PAGE_SIZE; } cur_offset += sg->length; } diff --git a/drivers/vfio/pci/virtio/migrate.c b/drivers/vfio/pci/virtio/migrate.c index ba92bb4e9af9..7dd0ac866461 100644 --- a/drivers/vfio/pci/virtio/migrate.c +++ b/drivers/vfio/pci/virtio/migrate.c @@ -53,8 +53,7 @@ virtiovf_get_migration_page(struct virtiovf_data_buffer *buf, buf->last_offset_sg = sg; buf->sg_last_entry += i; buf->last_offset = cur_offset; - return nth_page(sg_page(sg), - (offset - cur_offset) / PAGE_SIZE); + return sg_page(sg) + (offset - cur_offset) / PAGE_SIZE; } cur_offset += sg->length; } |