x86/fpu: Replace KVMs home brewed FPU copy to user

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Similar to the copy from user function the FPU core has this already
implemented with all bells and whistles.

Get rid of the duplicated code and use the core functionality.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: kvm@vger.kernel.org
Link: https://lkml.kernel.org/r/20211015011539.244101845@linutronix.de

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Thomas Gleixner 2021-10-15 03:16:17 +02:00 • committed by Borislav Petkov

parent 079ec41b22

commit bf5d004707

3 changed files with 22 additions and 53 deletions

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1

arch/x86/include/asm/fpu/api.h

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18

arch/x86/kernel/fpu/core.c

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56

arch/x86/kvm/x86.c

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