Date: Wed, 29 Apr 2026 11:40:16 +0000 From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 2783fb7e7321 - main - arm64: Fix a MTE check Message-ID: <69f1ee20.21a9d.7ec8f8ef@gitrepo.freebsd.org>
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The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=2783fb7e7321911b4159d7f41d1c80cae40a7552 commit 2783fb7e7321911b4159d7f41d1c80cae40a7552 Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2026-04-29 11:34:49 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2026-04-29 11:39:29 +0000 arm64: Fix a MTE check It should be for FEAT_MTE2 as the registers aren't implemented for FEAT_MTE. While here fix the style of the comment explaining the check. Reported by: markj Fixes: 58de79153622 ("arm64: mte: configure initial state for system registers") Sponsored by: Arm Ltd --- sys/arm64/arm64/locore.S | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/sys/arm64/arm64/locore.S b/sys/arm64/arm64/locore.S index c86f98da55a8..14300eceb6d5 100644 --- a/sys/arm64/arm64/locore.S +++ b/sys/arm64/arm64/locore.S @@ -1065,10 +1065,10 @@ LENTRY(start_mmu) ldr x2, mair /* - * If MTE is supported, configure GCR_EL1 and clear the TFSR registers of - * any pending tag check faults + * If FEAT_MTE2 is supported, configure GCR_EL1 and clear the TFSR + * registers of any pending tag check faults */ - CHECK_CPU_FEAT(x3, ID_AA64PFR1, MTE, MTE, 1f) + CHECK_CPU_FEAT(x3, ID_AA64PFR1, MTE, MTE2, 1f) /* Set GCR_EL1, non-zero tags excluded by default */ mov x3, #(GCR_Exclude_MASK | GCR_RRND)home | help
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