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a0245b42f8
On a system which support SME but not SVE we can now disable streaming mode via ptrace by writing FPSIMD formatted data through NT_ARM_SVE with a VL of 0. Extend fp-ptrace to cover rather than skip these cases, relax the check for SVE writes of FPSIMD format data to not skip if SME is supported and accept 0 as the VL when performing the ptrace write. Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>