Commit 9b580a1d authored by Liam R. Howlett's avatar Liam R. Howlett Committed by Andrew Morton
Browse files

riscv: use vma iterator for vdso 

Remove the linked list use in favour of the vma iterator.

Link: https://lkml.kernel.org/r/20220906194824.2110408-67-Liam.Howlett@oracle.com


Signed-off-by: default avatarLiam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: default avatarDavidlohr Bueso <dave@stgolabs.net>
Tested-by: default avatarYu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 8220543d

arch/riscv/kernel/vdso.c

+2 −1
Original line number Diff line number Diff line
@@ -114,11 +114,12 @@ int vdso_join_timens(struct task_struct *task, struct time_namespace *ns) 
{

	struct mm_struct *mm = task->mm;

	struct vm_area_struct *vma;

	VMA_ITERATOR(vmi, mm, 0);

	struct __vdso_info *vdso_info = mm->context.vdso_info;



	mmap_read_lock(mm);



	for (vma = mm->mmap; vma; vma = vma->vm_next) {

	for_each_vma(vmi, vma) {

		unsigned long size = vma->vm_end - vma->vm_start;



		if (vma_is_special_mapping(vma, vdso_info->dm))