s390/fpu: provide and use ld and std inline assemblies

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Deduplicate the 64 ld and std inline assemblies. Provide an fpu inline
assembly for both instructions, and use them in the new save_fp_regs()
and load_fp_regs() helper functions.

Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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This commit is contained in:

Heiko Carstens 2024-02-03 11:45:05 +01:00

parent 13a8a519ca

commit 88d8136a08

3 changed files with 67 additions and 72 deletions

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18

arch/s390/include/asm/fpu-insn.h

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40

arch/s390/include/asm/fpu.h

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81

arch/s390/kernel/fpu.c

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