Commit c63d688c authored May 21, 2020 by Alistair Popple Committed by Michael Ellerman Jun 02, 2020

powerpc/dt_cpu_ftrs: Enable Prefixed Instructions



Prefix instructions have their own FSCR bit which needs to be enabled
via a CPU feature. The kernel will save the FSCR for problem state but
it needs to be enabled initially.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200521014341.29095-6-alistair@popple.id.au

parent 43d0d37a

arch/powerpc/kernel/dt_cpu_ftrs.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -634,6 +634,7 @@ static struct dt_cpu_feature_match __initdata
		{"vector-binary128", feat_enable, 0},
		{"vector-binary16", feat_enable, 0},
		{"wait-v3", feat_enable, 0},
		{"prefix-instructions", feat_enable, 0},
		};

		static bool __initdata using_dt_cpu_ftrs;

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