Use the vma api to look up the spu reference instead of walking the linked list.
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
---
arch/powerpc/oprofile/cell/spu_task_sync.c | 22 ++++++++++------------
1 file changed, 10 insertions(+), 12 deletions(-)
diff --git a/arch/powerpc/oprofile/cell/spu_task_sync.c b/arch/powerpc/oprofile/cell/spu_task_sync.c
index 489f993100d56..47b4d4e9b628d 100644
--- a/arch/powerpc/oprofile/cell/spu_task_sync.c
+++ b/arch/powerpc/oprofile/cell/spu_task_sync.c
@@ -333,19 +333,17 @@ get_exec_dcookie_and_offset(struct spu *spu, unsigned int *offsetp,
}
mmap_read_lock(mm);
- for (vma = mm->mmap; vma; vma = vma->vm_next) {
- if (vma->vm_start > spu_ref || vma->vm_end <= spu_ref)
- continue;
- my_offset = spu_ref - vma->vm_start;
- if (!vma->vm_file)
- goto fail_no_image_cookie;
-
- pr_debug("Found spu ELF at %X(object-id:%lx) for file %pD\n",
- my_offset, spu_ref, vma->vm_file);
- *offsetp = my_offset;
- break;
- }
+ vma = find_vma_intersection(mm, spu_ref, spu_ref + 1);
+ if (!vma)
+ goto fail_no_image_cookie;
+
+ my_offset = spu_ref - vma->vm_start;
+ if (!vma->vm_file)
+ goto fail_no_image_cookie;
+ pr_debug("Found spu ELF at %X(object-id:%lx) for file %pD\n",
+ my_offset, spu_ref, vma->vm_file);
+ *offsetp = my_offset;
*spu_bin_dcookie = fast_get_dcookie(&vma->vm_file->f_path);
pr_debug("got dcookie for %pD\n", vma->vm_file);
--
2.28.0
