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

Message ID 20231119165721.9849-28-alexandru.elisei@arm.com (mailing list archive)
State New, archived
Headers show
Series [RFC,v2,01/27] arm64: mte: Rework naming for tag manipulation functions | expand

Commit Message

Alexandru Elisei Nov. 19, 2023, 4:57 p.m. UTC 
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(+)
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Patch

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: