[PATCH v8 2/5] arm64: cpufeature: add AmpereOne to BBML2 allow list
From: Yang Shi <hidden>
Date: 2025-09-17 19:04:12
Also in:
linux-mm, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
AmpereOne supports BBML2 without conflict abort, add to the allow list. Reviewed-by: Christoph Lameter (Ampere) <cl@gentwo.org> Reviewed-by: Ryan Roberts <ryan.roberts@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Yang Shi <redacted> --- arch/arm64/kernel/cpufeature.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index ef269a5a37e1..ba07eeff2a8d 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c@@ -2235,6 +2235,8 @@ static bool has_bbml2_noabort(const struct arm64_cpu_capabilities *caps, int sco static const struct midr_range supports_bbml2_noabort_list[] = { MIDR_REV_RANGE(MIDR_CORTEX_X4, 0, 3, 0xf), MIDR_REV_RANGE(MIDR_NEOVERSE_V3, 0, 2, 0xf), + MIDR_ALL_VERSIONS(MIDR_AMPERE1), + MIDR_ALL_VERSIONS(MIDR_AMPERE1A), {} };
--
2.47.0