On 2019-12-22 10:22 p.m., Xiaojie Yuan wrote:
> kernel_fpu_begin/_end() are already called inside dcn20_resource_construct,
> and calling kernel_fpu_begin/_end() recursively triggers WARN_ON() when
> CONFIG_X86_DEBUG_FPU is enabled.
>
> [ 107.060434] WARNING: CPU: 6 PID: 1370 at arch/x86/kernel/f
kernel_fpu_begin/_end() are already called inside dcn20_resource_construct,
and calling kernel_fpu_begin/_end() recursively triggers WARN_ON() when
CONFIG_X86_DEBUG_FPU is enabled.
[ 107.060434] WARNING: CPU: 6 PID: 1370 at arch/x86/kernel/fpu/core.c:90
kernel_fpu_begin+0xbd/0xe0
[ 107.268197]