Andy Lutomirski 49200d17d2 x86/fpu/64: Don't FNINIT in kernel_fpu_begin() ... The remaining callers of kernel_fpu_begin() in 64-bit kernels don't use 387 instructions, so there's no need to sanitize the FPU state. Skip it to get most of the performance we lost back. Reported-by: Krzysztof Olędzki <ole@ans.pl> Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/57f8841ccbf9f3c25a23196c888f5f6ec5887577.1611205691.git.luto@kernel.org		2021-01-29 12:27:47 +01:00
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asm	x86/fpu/64: Don't FNINIT in kernel_fpu_begin()	2021-01-29 12:27:47 +01:00
uapi/asm	ARM:	2020-12-20 10:44:05 -08:00