Re: [RFC 1/2] ppc/fpu: Add generic FPU api similar to x86

2021-07-20 Thread Christoph Hellwig
On Mon, Jul 19, 2021 at 03:52:10PM -0400, Anson Jacob wrote: > - Add kernel_fpu_begin & kernel_fpu_end API as x86 > - Add logic similar to x86 to ensure fpu > begin/end call correctness > - Add kernel_fpu_enabled to know if FPU is enabled > > Signed-off-by: Anson Jacob All the x86 FPU support

[RFC 1/2] ppc/fpu: Add generic FPU api similar to x86

2021-07-19 Thread Anson Jacob
- Add kernel_fpu_begin & kernel_fpu_end API as x86 - Add logic similar to x86 to ensure fpu begin/end call correctness - Add kernel_fpu_enabled to know if FPU is enabled Signed-off-by: Anson Jacob --- arch/powerpc/include/asm/switch_to.h | 29 ++ arch/powerpc/kernel/process.c| 130