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87c021a814
Now that the kernel SVE support is reasonably mature, it is excessive to default sve_max_vl to the invalid value -1 and then sprinkle WARN_ON()s around the place to make sure it has been initialised before use. The cpufeatures code already runs pretty early, and will ensure sve_max_vl gets initialised. This patch initialises sve_max_vl to something sane that will be supported by every SVE implementation, and removes most of the sanity checks. The checks in find_supported_vector_length() are retained for now. If anything goes horribly wrong, we are likely to trip a check here sooner or later. Signed-off-by: Dave Martin <Dave.Martin@arm.com> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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