x86/fpu/xstate: Provide xstate_calculate_size()

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Split out the size calculation from the paranoia check so it can be used
for recalculating buffer sizes when dynamically enabled features are
supported.

Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
[ tglx: Adopted to changed base code ]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211021225527.10184-4-chang.seok.bae@intel.com

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Chang S. Bae 2021-10-21 15:55:07 -07:00 • committed by Borislav Petkov

parent 3aac3ebea0

commit 84e4dccc8f

1 changed files with 28 additions and 18 deletions

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arch/x86/kernel/fpu/xstate.c

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