[PATCH 2/2] arm64: cpufeature: Add Olympus MIDR to BBML2 allow list

From: Shanker Donthineni

Date: Thu Sep 18 2025 - 09:26:18 EST


The NVIDIA Olympus core supports BBML2 without conflict abort. Add
its MIDR to the allow list to enable FEAT_BBM.

Signed-off-by: Shanker Donthineni <sdonthineni@xxxxxxxxxx>
---
arch/arm64/kernel/cpufeature.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index bb6d82b2f7584..30f45af3b684e 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -2236,6 +2236,7 @@ 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_NVIDIA_OLYMPUS),
{}
};

--
2.25.1