diff options
Diffstat (limited to 'arch/arm64/kernel/mte.c')
| -rw-r--r-- | arch/arm64/kernel/mte.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c index 7a66a7d9c1ff..4a069f85bd91 100644 --- a/arch/arm64/kernel/mte.c +++ b/arch/arm64/kernel/mte.c @@ -45,6 +45,9 @@ void mte_sync_tags(pte_t *ptep, pte_t pte) if (!test_and_set_bit(PG_mte_tagged, &page->flags)) mte_sync_page_tags(page, ptep, check_swap); } + + /* ensure the tags are visible before the PTE is set */ + smp_wmb(); } int memcmp_pages(struct page *page1, struct page *page2) |