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Add copy_fp_regs to ARM (same as for x86_64)

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Hannes Weisbach
2017-10-12 17:12:24 +09:00
parent 1cb9b435a9
commit 2d7cb0af89
1 changed files with 7 additions and 0 deletions
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7
arch/arm64/kernel/cpu.c
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@ -1434,6 +1434,13 @@ save_fp_regs(struct thread *thread)
} }
} }
void copy_fp_regs(struct thread *from, struct thread *to)
{
if ((from->fp_regs != NULL) && (check_and_allocate_fp_regs(to) == 0)) {
memcpy(to->fp_regs, from->fp_regs, sizeof(fp_regs_struct));
}
}
void void
clear_fp_regs(struct thread *thread) clear_fp_regs(struct thread *thread)
{ {