[PATCH RFC v2 27/27] arm64: mte: Enable dynamic tag storage reuse

Alexandru Elisei
2023-11-19T17:00:47Z

Everything is in place, enable tag storage management.

Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
---
arch/arm64/kernel/mte_tag_storage.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/kernel/mte_tag_storage.c b/arch/arm64/kernel/mte_tag_storage.c
index 11961587382d..9f60e952a814 100644
--- a/arch/arm64/kernel/mte_tag_storage.c
+++ b/arch/arm64/kernel/mte_tag_storage.c
@@ -395,6 +395,9 @@ static int __init mte_tag_storage_activate_regions(void)

reserve_tag_storage(ZERO_PAGE(0), 0, GFP_HIGHUSER_MOVABLE);

+ static_branch_enable(&tag_storage_enabled_key);
+ pr_info("MTE tag storage region management enabled");
+
return 0;

out_disabled:
--
2.42.1