On Sat, Mar 28, 2020 at 1:59 AM Chris Wilson wrote:
>
> Quoting Jason A. Donenfeld (2020-03-28 00:04:22)
> > It's not safe to just grab the FPU willy nilly without first checking to
> > see if it's available. This patch adds the usual call to may_use_simd()
> > and falls back to boring memcpy if i
It's not safe to just grab the FPU willy nilly without first checking to
see if it's available. This patch adds the usual call to may_use_simd()
and falls back to boring memcpy if it's not available.
Signed-off-by: Jason A. Donenfeld
---
drivers/gpu/drm/i915/i915_memcpy.c | 12
1 fi
Quoting Jason A. Donenfeld (2020-03-28 00:04:22)
> It's not safe to just grab the FPU willy nilly without first checking to
> see if it's available. This patch adds the usual call to may_use_simd()
> and falls back to boring memcpy if it's not available.
These instructions do not use the fpu, nor
