Add copy_fp_regs to ARM (same as for x86_64)

2017-10-12 17:12:24 +09:00
parent 1cb9b435a9
commit 2d7cb0af89
1 changed files with 7 additions and 0 deletions
--- a/arch/arm64/kernel/cpu.c
+++ b/arch/arm64/kernel/cpu.c
@ -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
 clear_fp_regs(struct thread *thread)
 {