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authorJames Morse <james.morse@arm.com>2022-09-09 17:59:38 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2022-09-16 15:23:50 +0100
commit1bdb0fbb2e27c51a6f311867726462c983a1d9ee (patch)
tree729c45d634d041e7e6e9a306d91c6692011664a9 /net
parent445c953e4a84b2942bdb5c0b5aff571c903680fe (diff)
arm64: errata: remove BF16 HWCAP due to incorrect result on Cortex-A510
Cortex-A510's erratum #2658417 causes two BF16 instructions to return the wrong result in rare circumstances when a pair of A510 CPUs are using shared neon hardware. The two instructions affected are BFMMLA and VMMLA, support for these is indicated by the BF16 HWCAP. Remove it on affected platforms. Signed-off-by: James Morse <james.morse@arm.com> Link: https://lore.kernel.org/r/20220909165938.3931307-4-james.morse@arm.com [catalin.marinas@arm.com: add revision to the Kconfig help; remove .type] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'net')
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