add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/arm64/kernel/perf_regs.c
..
..
@@ -16,7 +16,7 @@
16
16
 
17
17
 	/*
18
18
 	 * Our handling of compat tasks (PERF_SAMPLE_REGS_ABI_32) is weird, but
19
-	 * we're stuck with it for ABI compatability reasons.
19
+	 * we're stuck with it for ABI compatibility reasons.
20
20
 	 *
21
21
 	 * For a 32-bit consumer inspecting a 32-bit task, then it will look at
22
22
 	 * the first 16 registers (see arch/arm/include/uapi/asm/perf_regs.h).
..
..
@@ -73,8 +73,7 @@
73
73
 }
74
74
 
75
75
 void perf_get_regs_user(struct perf_regs *regs_user,
76
-			struct pt_regs *regs,
77
-			struct pt_regs *regs_user_copy)
76
+			struct pt_regs *regs)
78
77
 {
79
78
 	regs_user->regs = task_pt_regs(current);
80
79
 	regs_user->abi = perf_reg_abi(current);