x86/fpu: Use fpstate in __copy_xstate_to_uabi_buf()

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With dynamically enabled features the copy function must know the features
and the size which is valid for the task. Retrieve them from fpstate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211013145323.181495492@linutronix.de

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Thomas Gleixner 2021-10-13 16:55:54 +02:00 • committed by Borislav Petkov

parent ad6ede407a

commit 3ac8d75778

3 changed files with 11 additions and 10 deletions

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8

arch/x86/kernel/fpu/core.c

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11

arch/x86/kernel/fpu/xstate.c

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2

arch/x86/kernel/fpu/xstate.h

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