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2 commits

Author SHA1 Message Date
Hans Petter Selasky
469884cf04 LinuxKPI: Make FPU sections thread-safe and use the NOCTX flag. 
Reviewed by:	kib
Submitted by:	greg@unrelenting.technology
Differential Revision:	https://reviews.freebsd.org/D29921
MFC after:	1 week
Sponsored by:	NVIDIA Networking
 2021-07-31 15:36:48 +02:00
Emmanuel Vadot
11d62b6f31 linuxkpi: add kernel_fpu_begin/kernel_fpu_end 
With newer AMD GPUs (>=Navi,Renoir) there is FPU context usage in the
amdgpu driver.
The `kernel_fpu_begin/end` implementations in drm did not even allow nested
begin-end blocks.

Submitted by: Greg V
Reviewed By: manu, hselasky
Differential Revision: https://reviews.freebsd.org/D28061
 2021-01-12 12:31:00 +01:00