Re: [PATCH 2/4] arm64: cpufeature: add AmpereOne to BBML2 allow list
From: Ryan Roberts <ryan.roberts@arm.com>
Date: 2025-08-01 14:36:18
Also in:
lkml
From: Ryan Roberts <ryan.roberts@arm.com>
Date: 2025-08-01 14:36:18
Also in:
lkml
On 24/07/2025 23:11, Yang Shi wrote:
AmpereOne supports BBML2 without conflict abort, add to the allow list. Signed-off-by: Yang Shi <redacted>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
--- 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 7a3c404288d5..d2a8a509a58e 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c@@ -2230,6 +2230,8 @@ 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), {} };