From: Alistair Popple Date: Thu, 21 May 2020 01:43:39 +0000 (+1000) Subject: powerpc/dt_cpu_ftrs: Enable Prefixed Instructions X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c63d688c3dabca973c5a7da73d17422ad13f3737;p=linux.git 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 Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200521014341.29095-6-alistair@popple.id.au --- diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 46a85584e20b1..87a5d47415eb3 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -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;